Kubernetes中yaml文件Pod模板详解编写yaml文件启动服务

编写Kubernetes中编写yaml文件,Pod模板详解


K8s的yaml文件功能十分强大,对于新手来说,想要快速照掌握且灵活运用就显得有些困难。下文将给出Pod模板常用的一些代码及解释,如何快速运用。

Pod中 yaml 的详解

注意:都是以两个空格为递进,而非tab

apiVersion: v1     #必选,版本号,例如v1
kind: Pod         #必选,资源类型,例如 Pod,Deployment,ReplicaSet,Replication
metadata:         #必选,元数据
  name: string     #必选,Pod名称
  namespace: string  #Pod所属的命名空间,默认为"default"
  labels:           #自定义标签列表
    - name: string                 
spec:  #必选,Pod中容器的详细定义
  containers:  #必选,Pod中容器列表
  - name: string   #必选,容器名称
    image: string  #必选,容器的镜像名称
    imagePullPolicy: [ Always|Never|IfNotPresent ]  #获取镜像的策略 
    command: [string]   #容器的启动命令列表,如不指定,使用打包时使用的启动命令
    args: [string]      #容器的启动命令参数列表
    workingDir: string  #容器的工作目录
    volumeMounts:       #挂载到容器内部的存储卷配置
    - name: string      #引用pod定义的共享存储卷的名称,需用volumes[]部分定义的的卷名
      mountPath: string #存储卷在容器内mount的绝对路径,应少于512字符
      readOnly: boolean #是否为只读模式
	
	volumes:   #在该pod上定义共享存储卷列表
	- name: string    #共享存储卷名称 (volumes类型有很多种)
    emptyDir: {}       #类型为emtyDir的存储卷,与Pod同生命周期的一个临时目录。为空值
    hostPath: string   #类型为hostPath的存储卷,表示挂载Pod所在宿主机的目录
      path: string                #Pod所在宿主机的目录,将被用于同期中mount的目录
    secret:          #类型为secret的存储卷,挂载集群与定义的secret对象到容器内部
      scretname: string  
      items:     
      - key: string
        path: string
    configMap:         #类型为configMap的存储卷,挂载预定义的configMap对象到容器内部
      name: string
      items:
      - key: string
        path: string
	  
    ports: #需要暴露的端口库号列表
    - name: string        #端口的名称
      containerPort: int  #容器需要监听的端口号
      hostPort: int       #容器所在主机需要监听的端口号,默认与Container相同
      protocol: string    #端口协议,支持TCP和UDP,默认TCP
	  
	  
    env:   #容器运行前需设置的环境变量列表
    - name: string  #环境变量名称
      value: string #环境变量的值
	  
	  
    resources: #资源限制和请求的设置
      limits:  #资源限制的设置
        cpu: string     #Cpu的限制,单位为core数,将用于docker run --cpu-shares参数
        memory: string  #内存限制,单位可以为Mib/Gib,将用于docker run --memory参数
      requests: #资源请求的设置
        cpu: string    #Cpu请求,容器启动的初始可用数量
        memory: string #内存请求,容器启动的初始可用数量
		
		
    lifecycle: #生命周期钩子
		postStart: #容器启动后立即执行此钩子,如果执行失败,会根据重启策略进行重启
		preStop: #容器终止前执行此钩子,无论结果如何,容器都会终止
		
		
    livenessProbe:  #对Pod内各容器健康检查的设置,当探测无响应几次后将自动重启该容器
      exec:         #对Pod容器内检查方式设置为exec方式
        command: [string]  #exec方式需要制定的命令或脚本
	
      initialDelaySeconds    # 容器启动后等待多少秒执行第一次探测
      timeoutSeconds         # 探测超时时间。默认1秒,最小1秒
	  periodSeconds          # 执行探测的频率。默认是10秒,最小1秒
	  failureThreshold       # 连续探测失败多少次才被认定为失败。默认是3。最小值是1
	  successThreshold       # 连续探测成功多少次才被认定为成功。默认是1			
      httpGet:       #对Pod内个容器健康检查方法设置为HttpGet,需要制定Path、port
        path: string
        port: number
        host: string
        scheme: string
        HttpHeaders:
        - name: string
          value: string
		  
		  
      tcpSocket:     #对Pod内个容器健康检查方式设置为tcpSocket方式
         port: number
       initialDelaySeconds: 0       #容器启动完成后首次探测的时间,单位为秒
       timeoutSeconds: 0          #对容器健康检查探测等待响应的超时时间,单位秒,默认1秒
       periodSeconds: 0           #对容器监控检查的定期探测时间设置,单位秒,默认10秒一次
       successThreshold: 0
       failureThreshold: 0
       securityContext:
         privileged: false
  restartPolicy: [Always | Never | OnFailure]  #Pod的重启策略
  nodeName:  #设置NodeName表示将该Pod调度到指定到名称的node节点上
  nodeSelector: obeject #设置NodeSelector表示将该Pod调度到包含这个label的node上
  imagePullSecrets: #Pull镜像时使用的secret名称,以key:secretkey格式指定
  - name: string
  hostNetwork: false   #是否使用主机网络模式,默认为false,如果设置为true,表示使用宿主机网络


在编写yaml的时候,可结合帮助,灵活运用,找到所需的那个代码。
k8s查看yaml文件帮助的命令

构建pod,ns,rs,rc等等,只需在后面加上即可出现对应模板

kubectl explain pod/ns/rs/rc/networkpolicy/hpa


以pod为例

以pod为例
[root@master ~]# kubectl explain pod
KIND:     Pod
VERSION:  v1

DESCRIPTION:
     Pod is a collection of containers that can run on a host. This resource is
     created by clients and scheduled onto hosts.

FIELDS:
   apiVersion   <string>
     APIVersion defines the versioned schema of this representation of an
     object. Servers should convert recognized schemas to the latest internal
     value, and may reject unrecognized values. More info:
     https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources

   kind <string>
     Kind is a string value representing the REST resource this object
     represents. Servers may infer this from the endpoint the client submits
     requests to. Cannot be updated. In CamelCase. More info:
     https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds

   metadata     <Object>
     Standard object's metadata. More info:
     https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata

   spec <Object>
     Specification of the desired behavior of the pod. More info:
     https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status

   status       <Object>
     Most recently observed status of the pod. This data may not be up to date.
     Populated by the system. Read-only. More info:
     https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status

逐层往下查看

以pod中的spec为例
它会给出spec下的所有可写的代码,可以 . 为分隔符依此往下查阅

[root@master ~]# kubectl explain pod.spec
KIND:     Pod
VERSION:  v1

RESOURCE: spec 

DESCRIPTION:
     Specification of the desired behavior of the pod. More info:
     https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status

     PodSpec is a description of a pod.

FIELDS:
   activeDeadlineSeconds        
     Optional duration in seconds the pod may be active on the node relative to
     StartTime before the system will actively try to mark it failed and kill
     associated containers. Value must be a positive integer.

   affinity     
     If specified, the pod's scheduling constraints

   automountServiceAccountToken 
     AutomountServiceAccountToken indicates whether a service account token
     should be automatically mounted.

   containers   <[]Object> -required-
     List of containers belonging to the pod. Containers cannot currently be
     added or removed. There must be at least one container in a Pod. Cannot be
     updated.

   dnsConfig    
     Specifies the DNS parameters of a pod. Parameters specified here will be
     merged to the generated DNS configuration based on DNSPolicy.

   dnsPolicy    
     Set DNS policy for the pod. Defaults to "ClusterFirst". Valid values are
     'ClusterFirstWithHostNet', 'ClusterFirst', 'Default' or 'None'. DNS
     parameters given in DNSConfig will be merged with the policy selected with
     DNSPolicy. To have DNS options set along with hostNetwork, you have to
     specify DNS policy explicitly to 'ClusterFirstWithHostNet'.

   enableServiceLinks   
     EnableServiceLinks indicates whether information about services should be
     injected into pod's environment variables, matching the syntax of Docker
     links. Optional: Defaults to true.

   ephemeralContainers  <[]Object>
     List of ephemeral containers run in this pod. Ephemeral containers may be
     run in an existing pod to perform user-initiated actions such as debugging.
     This list cannot be specified when creating a pod, and it cannot be
     modified by updating the pod spec. In order to add an ephemeral container
     to an existing pod, use the pod's ephemeralcontainers subresource. This
     field is alpha-level and is only honored by servers that enable the
     EphemeralContainers feature.

   hostAliases  <[]Object>
     HostAliases is an optional list of hosts and IPs that will be injected into
     the pod's hosts file if specified. This is only valid for non-hostNetwork
     pods.

   hostIPC      
     Use the host's ipc namespace. Optional: Default to false.

   hostNetwork  
     Host networking requested for this pod. Use the host's network namespace.
     If this option is set, the ports that will be used must be specified.
     Default to false.

   hostPID      
     Use the host's pid namespace. Optional: Default to false.

   hostname     
     Specifies the hostname of the Pod If not specified, the pod's hostname will
     be set to a system-defined value.

   imagePullSecrets     <[]Object>
     ImagePullSecrets is an optional list of references to secrets in the same
     namespace to use for pulling any of the images used by this PodSpec. If
     specified, these secrets will be passed to individual puller
     implementations for them to use. For example, in the case of docker, only
     DockerConfig type secrets are honored. More info:
     https://kubernetes.io/docs/concepts/containers/images#specifying-imagepullsecrets-on-a-pod

   initContainers       <[]Object>
     List of initialization containers belonging to the pod. Init containers are
     executed in order prior to containers being started. If any init container
     fails, the pod is considered to have failed and is handled according to its
     restartPolicy. The name for an init container or normal container must be
     unique among all containers. Init containers may not have Lifecycle
     actions, Readiness probes, Liveness probes, or Startup probes. The
     resourceRequirements of an init container are taken into account during
     scheduling by finding the highest request/limit for each resource type, and
     then using the max of of that value or the sum of the normal containers.
     Limits are applied to init containers in a similar fashion. Init containers
     cannot currently be added or removed. Cannot be updated. More info:
     https://kubernetes.io/docs/concepts/workloads/pods/init-containers/

   nodeName     
     NodeName is a request to schedule this pod onto a specific node. If it is
     non-empty, the scheduler simply schedules this pod onto that node, assuming
     that it fits resource requirements.

   nodeSelector [string]string>
     NodeSelector is a selector which must be true for the pod to fit on a node.
     Selector which must match a node's labels for the pod to be scheduled on
     that node. More info:
     https://kubernetes.io/docs/concepts/configuration/assign-pod-node/

     overhead     
     Overhead represents the resource overhead associated with running a pod for
     a given RuntimeClass. This field will be autopopulated at admission time by
     the RuntimeClass admission controller. If the RuntimeClass admission
     controller is enabled, overhead must not be set in Pod create requests. The
     RuntimeClass admission controller will reject Pod create requests which
     have the overhead already set. If RuntimeClass is configured and selected
     in the PodSpec, Overhead will be set to the value defined in the
     corresponding RuntimeClass, otherwise it will remain unset and treated as
     zero. More info:
     https://git.k8s.io/enhancements/keps/sig-node/20190226-pod-overhead.md This
     field is alpha-level as of Kubernetes v1.16, and is only honored by servers
     that enable the PodOverhead feature.

   preemptionPolicy     
     PreemptionPolicy is the Policy for preempting pods with lower priority. One
     of Never, PreemptLowerPriority. Defaults to PreemptLowerPriority if unset.
     This field is alpha-level and is only honored by servers that enable the
     NonPreemptingPriority feature.

   priority     
     The priority value. Various system components use this field to find the
     priority of the pod. When Priority Admission Controller is enabled, it
     prevents users from setting this field. The admission controller populates
     this field from PriorityClassName. The higher the value, the higher the
     priority.

   priorityClassName    
     If specified, indicates the pod's priority. "system-node-critical" and
     "system-cluster-critical" are two special keywords which indicate the
     highest priorities with the former being the highest priority. Any other
     name must be defined by creating a PriorityClass object with that name. If
     not specified, the pod priority will be default or zero if there is no
     default.

   readinessGates       <[]Object>
     If specified, all readiness gates will be evaluated for pod readiness. A
     pod is ready when all its containers are ready AND all conditions specified
     in the readiness gates have status equal to "True" More info:
     https://git.k8s.io/enhancements/keps/sig-network/0007-pod-ready%2B%2B.md

   restartPolicy        
     Restart policy for all containers within the pod. One of Always, OnFailure,
     Never. Default to Always. More info:
     https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#restart-policy

   runtimeClassName     
     RuntimeClassName refers to a RuntimeClass object in the node.k8s.io group,
     which should be used to run this pod. If no RuntimeClass resource matches
     the named class, the pod will not be run. If unset or empty, the "legacy"
     RuntimeClass will be used, which is an implicit class with an empty
     definition that uses the default runtime handler. More info:
     https://git.k8s.io/enhancements/keps/sig-node/runtime-class.md This is a
     beta feature as of Kubernetes v1.14.

   schedulerName        
     If specified, the pod will be dispatched by specified scheduler. If not
     specified, the pod will be dispatched by default scheduler.

   securityContext      
     SecurityContext holds pod-level security attributes and common container
     settings. Optional: Defaults to empty. See type description for default
     values of each field.

   serviceAccount       
     DeprecatedServiceAccount is a depreciated alias for ServiceAccountName.
     Deprecated: Use serviceAccountName instead.

   serviceAccountName   
     ServiceAccountName is the name of the ServiceAccount to use to run this
     pod. More info:
     https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/

   shareProcessNamespace        
     Share a single process namespace between all of the containers in a pod.
     When this is set containers will be able to view and signal processes from
     other containers in the same pod, and the first process in each container
     will not be assigned PID 1. HostPID and ShareProcessNamespace cannot both
     be set. Optional: Default to false.

   subdomain    
     If specified, the fully qualified Pod hostname will be
     "...svc.". If not
     specified, the pod will not have a domainname at all.

   terminationGracePeriodSeconds        
     Optional duration in seconds the pod needs to terminate gracefully. May be
     decreased in delete request. Value must be non-negative integer. The value
     zero indicates delete immediately. If this value is nil, the default grace
     period will be used instead. The grace period is the duration in seconds
     after the processes running in the pod are sent a termination signal and
     the time when the processes are forcibly halted with a kill signal. Set
     this value longer than the expected cleanup time for your process. Defaults
     to 30 seconds.

   tolerations  <[]Object>
     If specified, the pod's tolerations.

   topologySpreadConstraints    <[]Object>
     TopologySpreadConstraints describes how a group of pods ought to spread
     across topology domains. Scheduler will schedule pods in a way which abides
     by the constraints. This field is only honored by clusters that enable the
     EvenPodsSpread feature. All topologySpreadConstraints are ANDed.

   volumes      <[]Object>
     List of volumes that can be mounted by containers belonging to the pod.
     More info: https://kubernetes.io/docs/concepts/storage/volumes

 
  

例1

yaml中的实战pod案例,先写个简单的

使用该yaml文件创建Pod要求如下:
1.Pod名称:nginx-pod;
2.使用:nginx 镜像;
3.拉取策略为:IfNotPresent;
4.容器名称:mynginx;
5.容器端口:80


其yaml文件如下

[root@master ~]# vim nginx.yaml 
apiVersion: v1				#版本号为v1
kind: Pod					#资源类型为Pod
metadata:					#元数据
  name: nginx-pod			#Pod名称
spec:						#pod容器的详细定义
  containers:				#容器列表
  - name: mynginx			#容器名称
    image: nginx:latest		#容器镜像
    imagePullPolicy: IfNotPresent	#容器镜像拉取策略
    ports:					#需要暴露的端口库号列表
      - containerPort: 80 	#容器需监听的端口号

将其启动,且访问一下,试看是否能够访问到nginx首页

启动编写好的yaml文件
[root@master ~]# kubectl apply -f nginx.yaml 
pod/nginx-pod created

查看pod列表
[root@master ~]# kubectl get pod -o wide
NAME        READY   STATUS    RESTARTS   AGE   IP            NODE   NOMINATED NODE   READINESS GATES
nginx-pod   1/1     Running   0          28s   10.244.1.21   node              

访问pod
[root@master ~]# curl 10.244.1.21:80
<!DOCTYPE html>


Welcome to nginx<span class="token operator">!</span><<span class="token operator">/</span>title>
<style>
html <span class="token punctuation">{</span> color<span class="token operator">-</span>scheme: light dark<span class="token punctuation">;</span> <span class="token punctuation">}</span>
body <span class="token punctuation">{</span> width: 35em<span class="token punctuation">;</span> margin: 0 auto<span class="token punctuation">;</span>
font<span class="token operator">-</span>family: Tahoma<span class="token punctuation">,</span> Verdana<span class="token punctuation">,</span> Arial<span class="token punctuation">,</span> sans<span class="token operator">-</span>serif<span class="token punctuation">;</span> <span class="token punctuation">}</span>
<<span class="token operator">/</span>style>
<<span class="token operator">/</span>head>
<body>
<h1>Welcome to nginx<span class="token operator">!</span><<span class="token operator">/</span>h1>
<p><span class="token keyword">If</span> you see this page<span class="token punctuation">,</span> the nginx web server is successfully installed and
working<span class="token punctuation">.</span> Further configuration is required<span class="token punctuation">.</span><<span class="token operator">/</span>p>

<p><span class="token keyword">For</span> online documentation and support please refer to
<a href=<span class="token string">"http://nginx.org/"</span>>nginx<span class="token punctuation">.</span>org<<span class="token operator">/</span>a><span class="token punctuation">.</span><br<span class="token operator">/</span>>
Commercial support is available at
<a href=<span class="token string">"http://nginx.com/"</span>>nginx<span class="token punctuation">.</span>com<<span class="token operator">/</span>a><span class="token punctuation">.</span><<span class="token operator">/</span>p>

<p><em>Thank you <span class="token keyword">for</span> <span class="token keyword">using</span> nginx<span class="token punctuation">.</span><<span class="token operator">/</span>em><<span class="token operator">/</span>p>
<<span class="token operator">/</span>body>
<<span class="token operator">/</span>html>
</code></pre> 
  <p>可见是能够启动成功且可以访问到nginx首页</p> 
  <h4>例2</h4> 
  <p>上点难度吧,写个常用一点的实战案例:<br> 1.Pod名称:liveness-exec;<br> 2.命名空间:default;<br> 3.镜像: busybox;容器名称: liveness;<br> 4.容器启动时运行命令 “touch /tmp/healthy; sleep 60; rm -rf /tmp/healthy; sleep 600”,<br> 此命令在容器启动时创建/tmp/healthy 文件,并于60秒之后将其删除;<br> 5.存活性探针运行“test -e /tmp/healthy”命令检查文件的存在性,若文件存在则返回状态码为0,表示成功通过测试;<br> 6.启动后延时5秒开始运行检测;<br> 7.每隔5秒执行一次liveness probe;</p> 
  <p>其yaml的编写如下:</p> 
  <pre><code class="prism language-yaml"><span class="token punctuation">[</span>root@master ~<span class="token punctuation">]</span><span class="token comment"># vim liveness_exec.yaml   </span>
<span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> v1							<span class="token comment">#版本号为v1</span>
<span class="token key atrule">kind</span><span class="token punctuation">:</span> Pod								<span class="token comment">#资源类型为Pod</span>
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>								<span class="token comment">#元数据必写</span>
  <span class="token key atrule">name</span><span class="token punctuation">:</span> liveness<span class="token punctuation">-</span>exec					<span class="token comment">#pod名称为liveness-exec</span>
<span class="token key atrule">spec</span><span class="token punctuation">:</span>									<span class="token comment">#容器的详细定义 必写</span>
  <span class="token key atrule">containers</span><span class="token punctuation">:</span>							<span class="token comment">#容器列表   必写</span>
  <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> liveness						<span class="token comment">#容器名称为 liveness</span>
    <span class="token key atrule">image</span><span class="token punctuation">:</span> busybox<span class="token punctuation">:</span>latest				<span class="token comment">#容器所使用的镜像 busybox</span>
    <span class="token key atrule">args</span><span class="token punctuation">:</span>								<span class="token comment">#容器的启动命令参数列表 必写</span>
      <span class="token punctuation">-</span> /bin/sh							<span class="token comment">#所要执行的命令</span>
      <span class="token punctuation">-</span> <span class="token punctuation">-</span>c
      <span class="token punctuation">-</span> touch /tmp/healthy; sleep 60; rm <span class="token punctuation">-</span>rf /tmp/healthy; sleep 600
    <span class="token key atrule">livenessProbe</span><span class="token punctuation">:</span>						<span class="token comment">#Pod内各容器健康检查的设置</span>
      <span class="token key atrule">exec</span><span class="token punctuation">:</span>								<span class="token comment">#对Pod容器内检查方式设置为exec方式</span>
        <span class="token key atrule">command</span><span class="token punctuation">:</span>						<span class="token comment">#exec方式需要制定的命令或脚本</span>
          <span class="token punctuation">-</span> test
          <span class="token punctuation">-</span> /tmp/healthy
      <span class="token key atrule">initialDelaySeconds</span><span class="token punctuation">:</span> <span class="token number">5</span>			<span class="token comment">#容器启动后等待5秒执行第一次探测</span>
      <span class="token key atrule">periodSeconds</span><span class="token punctuation">:</span> <span class="token number">5</span>					<span class="token comment">#执行探测的频率每5秒执行一次</span>
</code></pre> 
  <pre><code class="prism language-shell"><span class="token punctuation">[</span>root@master ~<span class="token punctuation">]</span><span class="token comment"># kubectl apply -f liveness_exec.yaml </span>
pod/liveness-exec created
<span class="token punctuation">[</span>root@master ~<span class="token punctuation">]</span><span class="token comment"># kubectl get pod -o wide</span>
NAME            READY   STATUS    RESTARTS   AGE   IP            NODE   NOMINATED NODE   READINESS GATES
liveness-exec   <span class="token number">1</span>/1     Running   <span class="token number">0</span>          18s   <span class="token number">10.244</span>.1.23   node   <span class="token operator"><</span>none<span class="token operator">></span>           <span class="token operator"><</span>none<span class="token operator">></span>


当pod创建成功以后
进入pod查看是否命令是否有被执行

<span class="token punctuation">[</span>root@master ~<span class="token punctuation">]</span><span class="token comment"># kubectl exec -it liveness-exec /bin/sh</span>
kubectl <span class="token builtin class-name">exec</span> <span class="token punctuation">[</span>POD<span class="token punctuation">]</span> <span class="token punctuation">[</span>COMMAND<span class="token punctuation">]</span> is DEPRECATED and will be removed <span class="token keyword">in</span> a future version. Use kubectl kubectl <span class="token builtin class-name">exec</span> <span class="token punctuation">[</span>POD<span class="token punctuation">]</span> -- <span class="token punctuation">[</span>COMMAND<span class="token punctuation">]</span> instead.
/ <span class="token comment"># ls /tmp/</span>
healthy
/ <span class="token comment"># </span>
</code></pre> 
  <p>可见 healthy 文件创建成功,可等待60秒,再次查看,会发现这个文件已经被删除了,已达到上述的要求。</p> 
  <h4>再例举一个RS的例子:</h4> 
  <p>使用yaml文件创建ReplicaSet 要求如下:</p> 
  <p>(1)Replicaset名称:nginx;</p> 
  <p>(2)命名空间:default;</p> 
  <p>(3)副本数:3;</p> 
  <p>(4)镜像:nginx。</p> 
  <br> 
  <p>可借用yaml文件的帮助:</p> 
  <pre><code class="prism language-powershell"><span class="token namespace">[root@master ~]</span><span class="token comment"># kubectl explain rs.spec</span>
KIND:     ReplicaSet
VERSION:  apps<span class="token operator">/</span>v1

RESOURCE: spec <Object>

DESCRIPTION:
     Spec defines the specification of the desired behavior of the ReplicaSet<span class="token punctuation">.</span>
     More info:
     https:<span class="token operator">/</span><span class="token operator">/</span>git<span class="token punctuation">.</span>k8s<span class="token punctuation">.</span>io<span class="token operator">/</span>community<span class="token operator">/</span>contributors<span class="token operator">/</span>devel<span class="token operator">/</span>sig<span class="token operator">-</span>architecture<span class="token operator">/</span>api<span class="token operator">-</span>conventions<span class="token punctuation">.</span>md<span class="token comment">#spec-and-status</span>

     ReplicaSetSpec is the specification of a ReplicaSet<span class="token punctuation">.</span>

FIELDS:
   minReadySeconds      <integer>
     Minimum number of seconds <span class="token keyword">for</span> which a newly created pod should be ready
     without any of its container crashing<span class="token punctuation">,</span> <span class="token keyword">for</span> it to be considered available<span class="token punctuation">.</span>
     Defaults to 0 <span class="token punctuation">(</span>pod will be considered available as soon as it is ready<span class="token punctuation">)</span>

   replicas     <integer>
     Replicas is the number of desired replicas<span class="token punctuation">.</span> This is a pointer to
     distinguish between explicit zero and unspecified<span class="token punctuation">.</span> Defaults to 1<span class="token punctuation">.</span> More
     info:
     https:<span class="token operator">/</span><span class="token operator">/</span>kubernetes<span class="token punctuation">.</span>io<span class="token operator">/</span>docs<span class="token operator">/</span>concepts<span class="token operator">/</span>workloads<span class="token operator">/</span>controllers<span class="token operator">/</span>replicationcontroller<span class="token operator">/</span><span class="token comment">#what-is-a-replicationcontroller</span>

   selector     <Object> <span class="token operator">-</span>required<span class="token operator">-</span>
     Selector is a label query over pods that should match the replica count<span class="token punctuation">.</span>
     Label keys and values that must match in order to be controlled by this
     replica <span class="token function">set</span><span class="token punctuation">.</span> It must match the pod template's labels<span class="token punctuation">.</span> More info:
     https:<span class="token operator">/</span><span class="token operator">/</span>kubernetes<span class="token punctuation">.</span>io<span class="token operator">/</span>docs<span class="token operator">/</span>concepts<span class="token operator">/</span>overview<span class="token operator">/</span>working<span class="token operator">-</span>with<span class="token operator">-</span>objects<span class="token operator">/</span>labels<span class="token operator">/</span><span class="token comment">#label-selectors</span>

   template     <Object>
     Template is the object that describes the pod that will be created <span class="token keyword">if</span>
     insufficient replicas are detected<span class="token punctuation">.</span> More info:
     https:<span class="token operator">/</span><span class="token operator">/</span>kubernetes<span class="token punctuation">.</span>io<span class="token operator">/</span>docs<span class="token operator">/</span>concepts<span class="token operator">/</span>workloads<span class="token operator">/</span>controllers<span class="token operator">/</span>replicationcontroller<span class="token comment">#pod-template</span>
</code></pre> 
  <br> 
  <p>编写rs的yaml文件</p> 
  <pre><code class="prism language-yaml"><span class="token punctuation">[</span>root@master ~<span class="token punctuation">]</span><span class="token comment"># vim replicaset.yaml </span>
<span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> apps/v1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> ReplicaSet
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
  <span class="token key atrule">name</span><span class="token punctuation">:</span> nginx
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
  <span class="token key atrule">replicas</span><span class="token punctuation">:</span> <span class="token number">3</span>
  <span class="token key atrule">selector</span><span class="token punctuation">:</span>
    <span class="token key atrule">matchLabels</span><span class="token punctuation">:</span>
      <span class="token key atrule">nginx</span><span class="token punctuation">:</span> replicaset
  <span class="token key atrule">template</span><span class="token punctuation">:</span>
    <span class="token key atrule">metadata</span><span class="token punctuation">:</span>
      <span class="token key atrule">labels</span><span class="token punctuation">:</span>
        <span class="token key atrule">nginx</span><span class="token punctuation">:</span> replicaset
    <span class="token key atrule">spec</span><span class="token punctuation">:</span>
      <span class="token key atrule">containers</span><span class="token punctuation">:</span>
      <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> nginx
        <span class="token key atrule">image</span><span class="token punctuation">:</span> nginx<span class="token punctuation">:</span>latest
</code></pre> 
  <p>将其启动</p> 
  <pre><code class="prism language-powershell"><span class="token namespace">[root@master ~]</span><span class="token comment"># kubectl apply -f replicaset.yaml </span>
replicaset<span class="token punctuation">.</span>apps<span class="token operator">/</span>nginx created

<span class="token namespace">[root@master ~]</span><span class="token comment"># kubectl get rs</span>
NAME    DESIRED   CURRENT   READY   AGE
nginx   3         3         3       69s


<span class="token namespace">[root@master ~]</span><span class="token comment"># kubectl get pod -o wide</span>
NAME          READY   STATUS    RESTARTS   AGE   IP            NODE     NOMINATED NODE   READINESS GATES
nginx<span class="token operator">-</span>qjq88   1<span class="token operator">/</span>1     Running   0          38s   10<span class="token punctuation">.</span>244<span class="token punctuation">.</span>1<span class="token punctuation">.</span>25   node     <none>           <none>
nginx<span class="token operator">-</span>xkxvz   1<span class="token operator">/</span>1     Running   0          38s   10<span class="token punctuation">.</span>244<span class="token punctuation">.</span>1<span class="token punctuation">.</span>24   node     <none>           <none>
nginx<span class="token operator">-</span>z8gwx   1<span class="token operator">/</span>1     Running   0          38s   10<span class="token punctuation">.</span>244<span class="token punctuation">.</span>0<span class="token punctuation">.</span>28   master   <none>           <none>
</code></pre> 
  <p>访问任意一个IP,都能返回nginx首页内容<br> [root@master ~]# curl 10.244.0.28</p> Welcome to nginx! 
  <h2>Welcome to nginx!</h2> 
  <p>If you see this page, the nginx web server is successfully installed and working. Further configuration is required.</p> 
  <p>For online documentation and support please refer to nginx.org.<br> Commercial support is available at nginx.com.</p> 
  <p><em>Thank you for using nginx.</em></p> 
  <br> 
  <p>到此over!!</p> 
 </div> 
</div>
                            </div>
                        </div>
                    </div>
                    <!--PC和WAP自适应版-->
                    <div id="SOHUCS" sid="1731193562441265152"></div>
                    <script type="text/javascript" src="/views/front/js/chanyan.js"></script>
                    <!-- 文章页-底部 动态广告位 -->
                    <div class="youdao-fixed-ad" id="detail_ad_bottom"></div>
                </div>
                <div class="col-md-3">
                    <div class="row" id="ad">
                        <!-- 文章页-右侧1 动态广告位 -->
                        <div id="right-1" class="col-lg-12 col-md-12 col-sm-4 col-xs-4 ad">
                            <div class="youdao-fixed-ad" id="detail_ad_1"> </div>
                        </div>
                        <!-- 文章页-右侧2 动态广告位 -->
                        <div id="right-2" class="col-lg-12 col-md-12 col-sm-4 col-xs-4 ad">
                            <div class="youdao-fixed-ad" id="detail_ad_2"></div>
                        </div>
                        <!-- 文章页-右侧3 动态广告位 -->
                        <div id="right-3" class="col-lg-12 col-md-12 col-sm-4 col-xs-4 ad">
                            <div class="youdao-fixed-ad" id="detail_ad_3"></div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="container">
        <h4 class="pt20 mb15 mt0 border-top">你可能感兴趣的:(kubernetes,kubernetes,docker,容器)</h4>
        <div id="paradigm-article-related">
            <div class="recommend-post mb30">
                <ul class="widget-links">
                    <li><a href="/article/1892609331858305024.htm"
                           title="mysql8.4+mysql router读写分离" target="_blank">mysql8.4+mysql router读写分离</a>
                        <span class="text-muted">Alex_z0897</span>
<a class="tag" taget="_blank" href="/search/mysql/1.htm">mysql</a><a class="tag" taget="_blank" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm">数据库</a>
                        <div>以下为容器环境内搭建准备工作:拉取镜像:镜像版本mysql8.4container-registry.oracle.com/mysql/community-router8.4下载mysql_shellmysql-shell-9.0.1-linux-glibc2.17-x86-64bit.tar.gz下载地址:https://downloads.mysql.com/archives/shell/参考</div>
                    </li>
                    <li><a href="/article/1892586257414942720.htm"
                           title="Docker 与 CI/CD:自动化构建和部署" target="_blank">Docker 与 CI/CD:自动化构建和部署</a>
                        <span class="text-muted">drebander</span>
<a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/ci%2Fcd/1.htm">ci/cd</a><a class="tag" taget="_blank" href="/search/%E8%87%AA%E5%8A%A8%E5%8C%96/1.htm">自动化</a>
                        <div>在现代软件开发中,CI/CD(持续集成/持续部署)是一种高效的软件开发和运维方法。CI/CD通过自动化构建、测试和部署流程,减少了人为错误,提高了软件交付的速度和质量。Docker,作为一种容器化平台,为CI/CD提供了理想的运行环境,通过容器化实现应用的一致性和可移植性。本文将探讨如何将Docker与CI/CD集成,实现自动化构建和部署。1.Docker与CI/CD集成的优势1.1通过Docke</div>
                    </li>
                    <li><a href="/article/1892582980833046528.htm"
                           title="Docker 在微服务架构中的应用(一)" target="_blank">Docker 在微服务架构中的应用(一)</a>
                        <span class="text-muted">计算机毕设定制辅导-无忧学长</span>
<a class="tag" taget="_blank" href="/search/%23/1.htm">#</a><a class="tag" taget="_blank" href="/search/Docker/1.htm">Docker</a><a class="tag" taget="_blank" href="/search/%E6%9E%B6%E6%9E%84/1.htm">架构</a><a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/%E5%BE%AE%E6%9C%8D%E5%8A%A1/1.htm">微服务</a>
                        <div>一、引言在当今数字化时代,软件开发领域正经历着快速的变革。随着业务需求的日益复杂和多样化,传统的单体架构逐渐暴露出其局限性,如可维护性差、扩展困难以及开发效率低下等问题。在这样的背景下,微服务架构应运而生,它将大型应用拆分成多个小型、独立的服务,每个服务专注于特定的业务功能,通过轻量级的通信机制进行协作。这种架构模式不仅提高了系统的可维护性和可扩展性,还使得开发团队能够更加独立地进行开发和部署,大</div>
                    </li>
                    <li><a href="/article/1892575660816265216.htm"
                           title="【Docker】百度网盘:基于VNC的Web访问及后台下载" target="_blank">【Docker】百度网盘:基于VNC的Web访问及后台下载</a>
                        <span class="text-muted">T0uken</span>
<a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/%E5%89%8D%E7%AB%AF/1.htm">前端</a><a class="tag" taget="_blank" href="/search/dubbo/1.htm">dubbo</a>
                        <div>本教程通过DockerCompose部署百度网盘的VNC版本,实现24小时不间断下载、双模式访问、数据持久化、自动重启和安全加密控制等核心功能。目录结构规划建议使用以下目录结构(可根据实际情况调整):~/baidunetdisk/├──docker-compose.yml├──config/└──downloads/创建docker-compose.ymlservices:baidunetdisk</div>
                    </li>
                    <li><a href="/article/1892574147712708608.htm"
                           title="Docker 与持续集成 / 持续部署(CI/CD)的集成(一)" target="_blank">Docker 与持续集成 / 持续部署(CI/CD)的集成(一)</a>
                        <span class="text-muted">计算机毕设定制辅导-无忧学长</span>
<a class="tag" taget="_blank" href="/search/%23/1.htm">#</a><a class="tag" taget="_blank" href="/search/Docker/1.htm">Docker</a><a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/ci%2Fcd/1.htm">ci/cd</a><a class="tag" taget="_blank" href="/search/%E5%AE%B9%E5%99%A8/1.htm">容器</a>
                        <div>一、引言在当今快速发展的软件开发领域,高效、可靠的开发与部署流程是企业保持竞争力的关键。Docker与持续集成/持续部署(CI/CD)的集成,正成为众多开发团队提升效率、优化流程的重要手段。Docker作为一种开源的容器化平台,通过将应用程序及其依赖项打包在一个可移植的容器中,实现了环境的一致性和隔离性。这意味着,无论在开发、测试还是生产环境中,应用程序都能以相同的方式运行,有效解决了“在我机器上</div>
                    </li>
                    <li><a href="/article/1892568478737559552.htm"
                           title="Sentinel实战:构建可靠的微服务防护系统" target="_blank">Sentinel实战:构建可靠的微服务防护系统</a>
                        <span class="text-muted">ivwdcwso</span>
<a class="tag" taget="_blank" href="/search/%E5%AE%89%E5%85%A8/1.htm">安全</a><a class="tag" taget="_blank" href="/search/sentinel/1.htm">sentinel</a><a class="tag" taget="_blank" href="/search/%E5%BE%AE%E6%9C%8D%E5%8A%A1/1.htm">微服务</a><a class="tag" taget="_blank" href="/search/%E6%9E%B6%E6%9E%84/1.htm">架构</a><a class="tag" taget="_blank" href="/search/%E9%98%B2%E6%8A%A4/1.htm">防护</a><a class="tag" taget="_blank" href="/search/%E5%AE%89%E5%85%A8/1.htm">安全</a><a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/%E5%BC%80%E5%8F%91/1.htm">开发</a>
                        <div>1.引言在微服务架构中,保障系统的可用性和稳定性至关重要。Sentinel作为一个强大的流量控制组件,为我们提供了实现熔断、限流、系统保护等功能的有力工具。本文将通过实际案例,详细介绍Sentinel的使用方法和最佳实践,并探讨如何在容器环境中部署Sentinel。2.Sentinel简介Sentinel是阿里巴巴开源的面向分布式服务架构的流量控制组件,主要以流量为切入点,从流量控制、熔断降级、系</div>
                    </li>
                    <li><a href="/article/1892560660764618752.htm"
                           title="Spring Bean 生命周期详解" target="_blank">Spring Bean 生命周期详解</a>
                        <span class="text-muted">黑风风</span>
<a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/%E5%A4%9A%E7%BA%BF%E7%A8%8B/1.htm">多线程</a><a class="tag" taget="_blank" href="/search/spring/1.htm">spring</a><a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm">数据库</a>
                        <div>SpringBean生命周期详解在Spring框架中,Bean的生命周期由Spring容器全权管理。了解和掌握Bean的生命周期对于使用Spring开发稳定且高效的应用程序至关重要。本文将详细介绍SpringBean生命周期的五个主要阶段:实例化、属性注入、初始化、使用和销毁,并涵盖各个阶段的关键步骤和扩展点。1.实例化(Instantiation)实例化阶段包括以下关键步骤:BeanNameAw</div>
                    </li>
                    <li><a href="/article/1892552461617524736.htm"
                           title="Spring Bean 生命周期" target="_blank">Spring Bean 生命周期</a>
                        <span class="text-muted">CT随</span>
<a class="tag" taget="_blank" href="/search/spring/1.htm">spring</a><a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/%E5%90%8E%E7%AB%AF/1.htm">后端</a>
                        <div>SpringBean生命周期是Spring框架中一个非常重要的概念,它描述了一个Bean从创建到销毁的完整过程。这个生命周期可以分为五个主要阶段:创建前准备阶段、创建实例阶段、依赖注入阶段、容器缓存阶段和销毁实例阶段。下面我们将详细介绍每个阶段的作用,并通过生活中的例子来帮助理解。创建前准备阶段定义与作用:在这一阶段,Spring容器会解析配置文件或注解,查找并加载需要被管理的Bean的相关信息。</div>
                    </li>
                    <li><a href="/article/1892550192041881600.htm"
                           title="Spring Bean 生命周期的执行流程" target="_blank">Spring Bean 生命周期的执行流程</a>
                        <span class="text-muted">涛粒子</span>
<a class="tag" taget="_blank" href="/search/spring/1.htm">spring</a><a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/%E5%90%8E%E7%AB%AF/1.htm">后端</a>
                        <div>1.Bean定义阶段解析配置元数据:Spring容器会读取配置信息,这些配置信息可以是XML文件、Java注解或者Java配置类。容器根据这些配置信息解析出Bean的定义,包括Bean的类名、作用域、依赖关系等。注册Bean定义:解析完成后,Spring会将Bean定义信息注册到BeanDefinitionRegistry中,BeanDefinitionRegistry是一个存储Bean定义的注册</div>
                    </li>
                    <li><a href="/article/1892540980872146944.htm"
                           title="深入解析 C++ STL中的 std::map 容器" target="_blank">深入解析 C++ STL中的 std::map 容器</a>
                        <span class="text-muted">金外飞176</span>
<a class="tag" taget="_blank" href="/search/C%2B%2B/1.htm">C++</a><a class="tag" taget="_blank" href="/search/%E5%BC%80%E5%8F%91%E8%AF%AD%E8%A8%80/1.htm">开发语言</a><a class="tag" taget="_blank" href="/search/c%2B%2B/1.htm">c++</a>
                        <div>深入解析C++中的std::map容器在C++标准模板库(STL)中,std::map是一种非常强大且常用的关联式容器。它通过键值对(key-value)的方式存储数据,并且基于红黑树实现,能够高效地进行插入、删除和查找操作。本文将通过一个实际的项目代码,深入探讨std::map的各种特性,包括构造、插入、删除、查找、排序以及与其他容器的交互。1.std::map的基本概念std::map是一个关</div>
                    </li>
                    <li><a href="/article/1892521550784032768.htm"
                           title="Docker 部署AnythingLLM" target="_blank">Docker 部署AnythingLLM</a>
                        <span class="text-muted">炫爱小七</span>
<a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/%E5%AE%B9%E5%99%A8/1.htm">容器</a><a class="tag" taget="_blank" href="/search/ai/1.htm">ai</a>
                        <div>两个指令搞定1.下载镜像dockerpullmintplexlabs/anythingllm2.运行容器exportSTORAGE_LOCATION=$HOME/anythingllmmkdir-p$STORAGE_LOCATIONchmod-R777$STORAGE_LOCATIONtouch"$STORAGE_LOCATION/.env"dockerrun-d-p3001:3001\--cap</div>
                    </li>
                    <li><a href="/article/1892521549492187136.htm"
                           title="科普:Docker run的相关事项" target="_blank">科普:Docker run的相关事项</a>
                        <span class="text-muted">人工干智能</span>
<a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/eureka/1.htm">eureka</a><a class="tag" taget="_blank" href="/search/java/1.htm">java</a>
                        <div>一、镜像名(含标签)太长如,通过如下命令行:dockerpulldesignthru2019/dify:56c6d1af0944dbdb5e0115cb623ff0e118a4ac62拉取的镜像名(及标签)太长,可以通过改名的方法变短。在Docker中,拉取到本地的镜像可以改名。本质上,这并不是直接修改镜像本身,而是为镜像添加一个新的标签(tag),因为Docker中的镜像名称和标签其实就是对镜像</div>
                    </li>
                    <li><a href="/article/1892520163375378432.htm"
                           title="如何将Docker运行的镜像写入数据后导出为新的镜像" target="_blank">如何将Docker运行的镜像写入数据后导出为新的镜像</a>
                        <span class="text-muted">醉心编码</span>
<a class="tag" taget="_blank" href="/search/%E8%84%9A%E6%9C%AC%E5%9F%BA%E7%A1%80/1.htm">脚本基础</a><a class="tag" taget="_blank" href="/search/%E4%BA%BA%E5%B7%A5%E6%99%BA%E8%83%BD%E5%9F%BA%E7%A1%80/1.htm">人工智能基础</a><a class="tag" taget="_blank" href="/search/%E6%8A%80%E6%9C%AF%E7%B1%BB/1.htm">技术类</a><a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a>
                        <div>如何将Docker运行的镜像写入数据后导出为新的镜像一、背景知识二、步骤详解1.查找并确认要导出的容器2.使用dockercommit命令保存容器为新的镜像3.验证新镜像4.(可选)导出新镜像为tar文件三、注意事项四、总结在Docker环境中,我们经常需要将运行中的容器保存为镜像,特别是当我们在容器中进行了数据写入或配置更改后。本文将详细介绍如何将Docker运行的镜像写入数据后导出为新的镜像。</div>
                    </li>
                    <li><a href="/article/1892512724911452160.htm"
                           title="ollama的docker 使用教程" target="_blank">ollama的docker 使用教程</a>
                        <span class="text-muted">贾斯汀玛尔斯</span>
<a class="tag" taget="_blank" href="/search/%E6%95%B0%E6%8D%AE%E6%B9%96/1.htm">数据湖</a><a class="tag" taget="_blank" href="/search/AI/1.htm">AI</a><a class="tag" taget="_blank" href="/search/Docker%E5%AE%B9%E5%99%A8/1.htm">Docker容器</a><a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/eureka/1.htm">eureka</a><a class="tag" taget="_blank" href="/search/%E5%AE%B9%E5%99%A8/1.htm">容器</a>
                        <div>好的,下面是Ollama在Docker中的使用教程。我将详细描述如何在Docker容器中运行Ollama,包括安装、配置和常用操作。OllamaDocker使用教程Ollama可以通过Docker运行,提供了一个简洁且隔离的环境来使用AI模型。本文将引导你如何在Docker中设置和使用Ollama。目录前提条件拉取OllamaDocker镜像启动Ollama容器基本命令操作停止容器<</div>
                    </li>
                    <li><a href="/article/1892510328776880128.htm"
                           title="docker部署kafka(单节点) + Springboot集成kafka" target="_blank">docker部署kafka(单节点) + Springboot集成kafka</a>
                        <span class="text-muted">wsdhla</span>
<a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/kafka/1.htm">kafka</a><a class="tag" taget="_blank" href="/search/spring/1.htm">spring</a><a class="tag" taget="_blank" href="/search/boot/1.htm">boot</a><a class="tag" taget="_blank" href="/search/zookeeper/1.htm">zookeeper</a>
                        <div>环境:操作系统:win10Docker:DockerDesktop4.21.1(114176)、DockerEnginev24.0.2SpringBoot:2.7.15步骤1:创建网络:dockernetworkcreate--subnet=172.18.0.0/16net-kafka步骤2:安装zk镜像dockerpullzookeeper:latestdockerrun-d--restarta</div>
                    </li>
                    <li><a href="/article/1892508687893852160.htm"
                           title="Nginx配置反向代理不成功的原因(Docker安装版)" target="_blank">Nginx配置反向代理不成功的原因(Docker安装版)</a>
                        <span class="text-muted">程序员迪迦</span>
<a class="tag" taget="_blank" href="/search/%E9%A1%B9%E7%9B%AE%E5%AE%9E%E6%88%98/1.htm">项目实战</a><a class="tag" taget="_blank" href="/search/nginx/1.htm">nginx</a><a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/linux/1.htm">linux</a>
                        <div>问题背景在linux服务器中使用docker下载了Nginx,然后根据网上的教程来配置反向代理的时候发现80端口无法访问server块的配置server{listen80;server_name127.0.0.1;#access_log/var/log/nginx/host.access.logmain;location/{proxy_passhttp://127.0.0.1:8080;#inde</div>
                    </li>
                    <li><a href="/article/1892472986296971264.htm"
                           title="《道德经》里的职场智慧,远比你想象的还要强大!" target="_blank">《道德经》里的职场智慧,远比你想象的还要强大!</a>
                        <span class="text-muted">Yage520</span>
<a class="tag" taget="_blank" href="/search/%E7%A8%8B%E5%BA%8F%E5%91%98%E5%88%9B%E5%AF%8C/1.htm">程序员创富</a><a class="tag" taget="_blank" href="/search/%E8%81%8C%E5%9C%BA%E5%92%8C%E5%8F%91%E5%B1%95/1.htm">职场和发展</a><a class="tag" taget="_blank" href="/search/%E5%AD%A6%E4%B9%A0%E6%96%B9%E6%B3%95/1.htm">学习方法</a><a class="tag" taget="_blank" href="/search/%E5%88%9B%E4%B8%9A%E5%88%9B%E6%96%B0/1.htm">创业创新</a><a class="tag" taget="_blank" href="/search/%E4%BA%BA%E5%B7%A5%E6%99%BA%E8%83%BD/1.htm">人工智能</a>
                        <div>《道德经》里的职场智慧,远比你想象的还要强大!你有没有过这样的困惑?明明加班加点、尽力管理,但结果却越来越累,效果却越来越差?问题出在哪里?答案,其实在《道德经》里!“上善若水,水善利万物而不争。”这句话暗藏着深刻的智慧!水,看似柔弱,却能穿透岩石;看不见摸不着,却能适应任何形状的容器。更神奇的是,水从不争斗,却无处不在,滋养万物!职场启示:不争,不是无能!你试试看,越是想控制一切,反而越容易弄巧</div>
                    </li>
                    <li><a href="/article/1892464284550623232.htm"
                           title="如何将Docker容器打包并在其他服务器上运行" target="_blank">如何将Docker容器打包并在其他服务器上运行</a>
                        <span class="text-muted">IT小辉同学</span>
<a class="tag" taget="_blank" href="/search/%E6%8A%80%E5%B7%A7%E6%80%A7%E5%B7%A5%E5%85%B7%E6%A0%8F/1.htm">技巧性工具栏</a><a class="tag" taget="_blank" href="/search/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%91%E9%83%A8%E7%BD%B2/1.htm">分布式云部署</a><a class="tag" taget="_blank" href="/search/%E6%90%9C%E7%B4%A2%E5%BC%95%E6%93%8E/1.htm">搜索引擎</a><a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/%E6%9C%8D%E5%8A%A1%E5%99%A8/1.htm">服务器</a><a class="tag" taget="_blank" href="/search/%E5%AE%B9%E5%99%A8/1.htm">容器</a>
                        <div>如何将Docker容器打包并在其他服务器上运行我会幻想很多次我们的相遇,你穿着合身的T恤,一个素色的外套,搭配一条蓝色的牛仔裤,干净的像那天空中的云朵,而我,还是一个的傻傻的少年,我们相识而笑,默默不语,如此甚好!Docker容器使得应用程序的部署和管理变得更加简单和高效。有时,我们可能需要将一个运行中的Docker容器打包,并在其他服务器上运行。本文将详细介绍如何实现这一过程。1.提交容器为镜像</div>
                    </li>
                    <li><a href="/article/1892458724304416768.htm"
                           title="Python-tkinter自制登录界面(含注册)" target="_blank">Python-tkinter自制登录界面(含注册)</a>
                        <span class="text-muted">GCHEK</span>
<a class="tag" taget="_blank" href="/search/python/1.htm">python</a><a class="tag" taget="_blank" href="/search/%E5%BC%80%E5%8F%91%E8%AF%AD%E8%A8%80/1.htm">开发语言</a>
                        <div>简单的用户登录、注册界面importtkinterastkimporttimeimportsubprocessimportsysimportosimporttkinter.messageboxwindow=tk.Tk()window.title('GCHEK')window.geometry('400x300')#设置储存用户信息的容器,这里用的txt。ifnotos.path.exists('U</div>
                    </li>
                    <li><a href="/article/1892456833910632448.htm"
                           title="Docker Compose部署大语言模型LLaMa3+可视化UI界面Open WebUI" target="_blank">Docker Compose部署大语言模型LLaMa3+可视化UI界面Open WebUI</a>
                        <span class="text-muted">m0_74824877</span>
<a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/%E8%AF%AD%E8%A8%80%E6%A8%A1%E5%9E%8B/1.htm">语言模型</a><a class="tag" taget="_blank" href="/search/ui/1.htm">ui</a>
                        <div>一、介绍Ollama:部署+运行大语言模型的软件LLaMa3:史上最强开源AI大模型—Meta公司新发布的大语言模型OpenWebUI:AI用户界面,可通过浏览器访问二、Docker部署docker-compose.yml文件如下:version:'3'services:ollama:container_name:bruce-ollamaimage:ollama/ollamavolumes:-./</div>
                    </li>
                    <li><a href="/article/1892453053508939776.htm"
                           title="mac+php5.3的docker-compose.yml分享" target="_blank">mac+php5.3的docker-compose.yml分享</a>
                        <span class="text-muted">自娱自乐22</span>
<a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a>
                        <div>version:'3'services:nginx:image:nginx:latestcontainer_name:nginx-composevolumes:-./wwwroot:/usr/share/nginx/html:rw-./nginx/nginx/:/etc/nginx/:rw-./log/nginx:/var/log/nginx:rwrestart:alwayslinks:-phpp</div>
                    </li>
                    <li><a href="/article/1892453052569415680.htm"
                           title="mac下docker搭建nginx+php+mysql,并实现nginx负载均衡" target="_blank">mac下docker搭建nginx+php+mysql,并实现nginx负载均衡</a>
                        <span class="text-muted">自娱自乐22</span>
<a class="tag" taget="_blank" href="/search/macos/1.htm">macos</a><a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/nginx/1.htm">nginx</a><a class="tag" taget="_blank" href="/search/%E8%B4%9F%E8%BD%BD%E5%9D%87%E8%A1%A1/1.htm">负载均衡</a><a class="tag" taget="_blank" href="/search/php/1.htm">php</a>
                        <div>一环境系统:macOSSonoma14.3芯片:AppleM3Prodocker版本:25.0.5二软件OrbStack[推荐,一款轻量化的docker管理软件,还是docker的命令]item2三步骤拉取nginx镜像dockerpullnginx新建一个nginx容器dockerrun--namenginx5-d-p80:80nginx确认nginx内部的目录[第一次一定要确认下目录]-配置目</div>
                    </li>
                    <li><a href="/article/1892451035201466368.htm"
                           title="亲测centos7安装docker可用" target="_blank">亲测centos7安装docker可用</a>
                        <span class="text-muted">a4132447</span>
<a class="tag" taget="_blank" href="/search/%E4%BA%91%E5%8E%9F%E7%94%9F/1.htm">云原生</a><a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/linux/1.htm">linux</a><a class="tag" taget="_blank" href="/search/%E8%BF%90%E7%BB%B4/1.htm">运维</a>
                        <div>1.配置yum下载源为aliyun源yum-config-manager--add-repohttps://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo备份当前的yum源mv/etc/yum.repos.d/CentOS-Base.repo/etc/yum.repos.d/CentOS-Base.repo.backup下载新的Ce</div>
                    </li>
                    <li><a href="/article/1892445861879803904.htm"
                           title="使用 Docker 基本命令创建并发布带有新功能的镜像到阿里云" target="_blank">使用 Docker 基本命令创建并发布带有新功能的镜像到阿里云</a>
                        <span class="text-muted">2021级计算机网络技术2班梁嘉敏</span>
<a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/%E9%98%BF%E9%87%8C%E4%BA%91/1.htm">阿里云</a><a class="tag" taget="_blank" href="/search/%E5%AE%B9%E5%99%A8/1.htm">容器</a>
                        <div>1.关于Docker镜像1.基础假定您在开发一个网上商城,您使用的是一台笔记本电脑而且您的开发环境具有特定的配置。其他开发人员身处的环境配置也各有不同。您正在开发的应用依赖于您当前的配置且还要依赖于某些配置文件。此外,您的企业还拥有标准化的测试和生产环境,且具有自身的配置和一系列支持文件。您希望尽可能多在本地模拟这些环境而不产生重新创建服务器环境的开销。请问?您要如何确保应用能够在这些环境中运行和</div>
                    </li>
                    <li><a href="/article/1892439165430198272.htm"
                           title="容器docker k8s相关的问题汇总及排错" target="_blank">容器docker k8s相关的问题汇总及排错</a>
                        <span class="text-muted">weixin_43806846</span>
<a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/kubernetes/1.htm">kubernetes</a><a class="tag" taget="_blank" href="/search/%E5%AE%B9%E5%99%A8/1.htm">容器</a>
                        <div>1.明确问题2.排查方向2.1、docker方面dockerlogs-f容器IDdocker的网络配置问题。2.2、k8s方面node组件问题pod的问题(方式kubectldescribepopod的名称-n命名空间&&kubectllogs-fpod的名称-n命名空间)调度的问题(污点、节点选择器与标签不匹配、存储卷的问题)service问题(访问不了,ingress的问题、service标签</div>
                    </li>
                    <li><a href="/article/1892436519868755968.htm"
                           title="Maven 与 Docker 集成:构建 Docker 镜像并与容器化应用集成" target="_blank">Maven 与 Docker 集成:构建 Docker 镜像并与容器化应用集成</a>
                        <span class="text-muted">drebander</span>
<a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/maven/1.htm">maven</a><a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a>
                        <div>在现代软件开发中,容器化已成为一种流行的部署和运行应用程序的方式。通过将应用程序及其所有依赖打包成Docker镜像,开发者可以确保应用能够在不同的环境中一致地运行。而Maven是广泛使用的构建工具,能够帮助管理项目的构建、依赖和发布。本文将介绍如何使用Maven构建Docker镜像,并将其与容器化应用集成,以便于自动化部署和管理。1.Maven与Docker集成概述Maven可以通过插件来构建Do</div>
                    </li>
                    <li><a href="/article/1892428185526661120.htm"
                           title="pgAdmin4在mac m1上面简单使用(Docker)" target="_blank">pgAdmin4在mac m1上面简单使用(Docker)</a>
                        <span class="text-muted">亚林瓜子</span>
<a class="tag" taget="_blank" href="/search/macos/1.htm">macos</a><a class="tag" taget="_blank" href="/search/docker/1.htm">docker</a><a class="tag" taget="_blank" href="/search/%E5%AE%B9%E5%99%A8/1.htm">容器</a><a class="tag" taget="_blank" href="/search/pg/1.htm">pg</a><a class="tag" taget="_blank" href="/search/pgAdmin4/1.htm">pgAdmin4</a><a class="tag" taget="_blank" href="/search/postgredql/1.htm">postgredql</a><a class="tag" taget="_blank" href="/search/GUI/1.htm">GUI</a>
                        <div>问题想要在本地简单了解一下pgAdmin4一些简单功能。故需要在本机先安装看一看。安装步骤拉取docker镜像dockerpulldpage/pgadmin4直接简单运行pgAdmin4dockerrun--namepgAdmin4-p5050:80\-e"PGADMIN_DEFAULT_EMAIL=user@domain.com"\-e"PGADMIN_DEFAULT_PASSWORD=Supe</div>
                    </li>
                    <li><a href="/article/1892425033008082944.htm"
                           title="Spring IoC容器的两大功能" target="_blank">Spring IoC容器的两大功能</a>
                        <span class="text-muted">Mr_Zerone</span>
<a class="tag" taget="_blank" href="/search/SpringFramework/1.htm">SpringFramework</a><a class="tag" taget="_blank" href="/search/spring/1.htm">spring</a><a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/%E5%90%8E%E7%AB%AF/1.htm">后端</a>
                        <div>1.控制反转(1)没有控制反转的情况下常规思路下,也就是在没有控制反转的情况下,程序员需要通过编写应用程序来创建(new关键字)和使用对象。(2)存在控制反转的情况下控制反转主要是针对对象的创建和调用控制而言的。应用程序需要使用一个对象时,不再是由程序员写的应用程序通过new关键字来直接创建该对象,而是由SpringIoC容器来创建和管理,即创建和管理对象的控制权由应用程序转移到IoC容器。我们的</div>
                    </li>
                    <li><a href="/article/1892424906675646464.htm"
                           title="认识Spring IoC容器和组件" target="_blank">认识Spring IoC容器和组件</a>
                        <span class="text-muted">Mr_Zerone</span>
<a class="tag" taget="_blank" href="/search/SpringFramework/1.htm">SpringFramework</a><a class="tag" taget="_blank" href="/search/spring/1.htm">spring</a><a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/%E5%90%8E%E7%AB%AF/1.htm">后端</a>
                        <div>1.传统Web项目开发流程传统Web项目在实现业务流程时,往往需要将Controller/Service/Dao,这三层先分别创建一个全局属性,上图中用BookController/BookService/BookDao来具体说明。当浏览器发送过来请求时,我们先调用全局属性中的BookCotroller对象bookController,在bookController中引用全局属性中的BookSer</div>
                    </li>
                    <li><a href="/article/1892424024693207040.htm"
                           title="【k8s应用管理】kubernetes HPA+rancher" target="_blank">【k8s应用管理】kubernetes HPA+rancher</a>
                        <span class="text-muted">Karoku066</span>
<a class="tag" taget="_blank" href="/search/kubernetes/1.htm">kubernetes</a><a class="tag" taget="_blank" href="/search/rancher/1.htm">rancher</a><a class="tag" taget="_blank" href="/search/%E5%AE%B9%E5%99%A8/1.htm">容器</a><a class="tag" taget="_blank" href="/search/%E8%BF%90%E7%BB%B4/1.htm">运维</a><a class="tag" taget="_blank" href="/search/%E4%BA%91%E5%8E%9F%E7%94%9F/1.htm">云原生</a>
                        <div>文章目录KubernetesHPA部署指南概述部署metrics-server部署HPARancher管理Kubernetes集群指南实验环境安装及配置RancherKubernetesHPA部署指南概述KubernetesHPA(HorizontalPodAutoscaling)可以根据Pod的CPU利用率自动调整Deployment、ReplicationController或ReplicaS</div>
                    </li>
                                <li><a href="/article/116.htm"
                                       title="ViewController添加button按钮解析。(翻译)" target="_blank">ViewController添加button按钮解析。(翻译)</a>
                                    <span class="text-muted">张亚雄</span>
<a class="tag" taget="_blank" href="/search/c/1.htm">c</a>
                                    <div><div class="it610-blog-content-contain" style="font-size: 14px"></div>//  ViewController.m 
//  Reservation software 
// 
//  Created by 张亚雄 on 15/6/2. 
</div>
                                </li>
                                <li><a href="/article/243.htm"
                                       title="mongoDB 简单的增删改查" target="_blank">mongoDB 简单的增删改查</a>
                                    <span class="text-muted">开窍的石头</span>
<a class="tag" taget="_blank" href="/search/mongodb/1.htm">mongodb</a>
                                    <div>   在上一篇文章中我们已经讲了mongodb怎么安装和数据库/表的创建。在这里我们讲mongoDB的数据库操作 
      在mongo中对于不存在的表当你用db.表名 他会自动统计 
下边用到的user是表明,db代表的是数据库 
 
      添加(insert): 
</div>
                                </li>
                                <li><a href="/article/370.htm"
                                       title="log4j配置" target="_blank">log4j配置</a>
                                    <span class="text-muted">0624chenhong</span>
<a class="tag" taget="_blank" href="/search/log4j/1.htm">log4j</a>
                                    <div>1) 新建java项目 
2) 导入jar包,项目右击,properties—java build path—libraries—Add External jar,加入log4j.jar包。 
3) 新建一个类com.hand.Log4jTest 
 

package com.hand;

import org.apache.log4j.Logger;


public class </div>
                                </li>
                                <li><a href="/article/497.htm"
                                       title="多点触摸(图片缩放为例)" target="_blank">多点触摸(图片缩放为例)</a>
                                    <span class="text-muted">不懂事的小屁孩</span>
<a class="tag" taget="_blank" href="/search/%E5%A4%9A%E7%82%B9%E8%A7%A6%E6%91%B8/1.htm">多点触摸</a>
                                    <div>多点触摸的事件跟单点是大同小异的,上个图片缩放的代码,供大家参考一下 
 


import android.app.Activity;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener</div>
                                </li>
                                <li><a href="/article/624.htm"
                                       title="有关浏览器窗口宽度高度几个值的解析" target="_blank">有关浏览器窗口宽度高度几个值的解析</a>
                                    <span class="text-muted">换个号韩国红果果</span>
<a class="tag" taget="_blank" href="/search/JavaScript/1.htm">JavaScript</a><a class="tag" taget="_blank" href="/search/html/1.htm">html</a>
                                    <div>1 元素的 offsetWidth 包括border padding  content  整体的宽度。 
clientWidth  只包括内容区 padding 不包括border。 
clientLeft =  offsetWidth -clientWidth  即这个元素border的值 
offsetLeft  若无已定位的包裹元素</div>
                                </li>
                                <li><a href="/article/751.htm"
                                       title="数据库产品巡礼:IBM DB2概览" target="_blank">数据库产品巡礼:IBM DB2概览</a>
                                    <span class="text-muted">蓝儿唯美</span>
<a class="tag" taget="_blank" href="/search/db2/1.htm">db2</a>
                                    <div>IBM DB2是一个支持了NoSQL功能的关系数据库管理系统,其包含了对XML,图像存储和Java脚本对象表示(JSON)的支持。DB2可被各种类型的企 业使用,它提供了一个数据平台,同时支持事务和分析操作,通过提供持续的数据流来保持事务工作流和分析操作的高效性。 DB2支持的操作系统 
DB2可应用于以下三个主要的平台: 
  
 
 工作站,DB2可在Linus、Unix、Windo</div>
                                </li>
                                <li><a href="/article/878.htm"
                                       title="java笔记5" target="_blank">java笔记5</a>
                                    <span class="text-muted">a-john</span>
<a class="tag" taget="_blank" href="/search/java/1.htm">java</a>
                                    <div>控制执行流程: 
1,true和false 
   利用条件表达式的真或假来决定执行路径。例:(a==b)。它利用条件操作符“==”来判断a值是否等于b值,返回true或false。java不允许我们将一个数字作为布尔值使用,虽然这在C和C++里是允许的。如果想在布尔测试中使用一个非布尔值,那么首先必须用一个条件表达式将其转化成布尔值,例如if(a!=0)。 
2,if-els</div>
                                </li>
                                <li><a href="/article/1005.htm"
                                       title="Web开发常用手册汇总" target="_blank">Web开发常用手册汇总</a>
                                    <span class="text-muted">aijuans</span>
<a class="tag" taget="_blank" href="/search/PHP/1.htm">PHP</a>
                                    <div>一门技术,如果没有好的参考手册指导,很难普及大众。这其实就是为什么很多技术,非常好,却得不到普遍运用的原因。
 正如我们学习一门技术,过程大概是这个样子:
 ①我们日常工作中,遇到了问题,困难。寻找解决方案,即寻找新的技术;
 ②为什么要学习这门技术?这门技术是不是很好的解决了我们遇到的难题,困惑。这个问题,非常重要,我们不是为了学习技术而学习技术,而是为了更好的处理我们遇到的问题,才需要学习新的</div>
                                </li>
                                <li><a href="/article/1132.htm"
                                       title="今天帮助人解决的一个sql问题" target="_blank">今天帮助人解决的一个sql问题</a>
                                    <span class="text-muted">asialee</span>
<a class="tag" taget="_blank" href="/search/sql/1.htm">sql</a>
                                    <div>            今天有个人问了一个问题,如下: 
type     AD      value           
A  </div>
                                </li>
                                <li><a href="/article/1259.htm"
                                       title="意图对象传递数据" target="_blank">意图对象传递数据</a>
                                    <span class="text-muted">百合不是茶</span>
<a class="tag" taget="_blank" href="/search/android/1.htm">android</a><a class="tag" taget="_blank" href="/search/%E6%84%8F%E5%9B%BEIntent/1.htm">意图Intent</a><a class="tag" taget="_blank" href="/search/Bundle%E5%AF%B9%E8%B1%A1%E6%95%B0%E6%8D%AE%E7%9A%84%E4%BC%A0%E9%80%92/1.htm">Bundle对象数据的传递</a>
                                    <div>学习意图将数据传递给目标活动; 初学者需要好好研究的 
   
   1,将下面的代码添加到main.xml中 
   
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http:/</div>
                                </li>
                                <li><a href="/article/1386.htm"
                                       title="oracle查询锁表解锁语句" target="_blank">oracle查询锁表解锁语句</a>
                                    <span class="text-muted">bijian1013</span>
<a class="tag" taget="_blank" href="/search/oracle/1.htm">oracle</a><a class="tag" taget="_blank" href="/search/object/1.htm">object</a><a class="tag" taget="_blank" href="/search/session/1.htm">session</a><a class="tag" taget="_blank" href="/search/kill/1.htm">kill</a>
                                    <div>一.查询锁定的表 
如下语句,都可以查询锁定的表 
语句一: 
select a.sid,
       a.serial#,
       p.spid,
       c.object_name,
       b.session_id,
       b.oracle_username,
       b.os_user_name
  from v$process p, v$s</div>
                                </li>
                                <li><a href="/article/1513.htm"
                                       title="mac osx 10.10 下安装 mysql 5.6 二进制文件[tar.gz]" target="_blank">mac osx 10.10 下安装 mysql 5.6 二进制文件[tar.gz]</a>
                                    <span class="text-muted">征客丶</span>
<a class="tag" taget="_blank" href="/search/mysql/1.htm">mysql</a><a class="tag" taget="_blank" href="/search/osx/1.htm">osx</a>
                                    <div>场景:在 mac osx 10.10 下安装 mysql 5.6 的二进制文件。 
 
环境:mac osx 10.10、mysql 5.6 的二进制文件 
 
步骤:[所有目录请从根“/”目录开始取,以免层级弄错导致找不到目录] 
1、下载 mysql 5.6 的二进制文件,下载目录下面称之为 mysql5.6SourceDir; 
下载地址:http://dev.mysql.com/downl</div>
                                </li>
                                <li><a href="/article/1640.htm"
                                       title="分布式系统与框架" target="_blank">分布式系统与框架</a>
                                    <span class="text-muted">bit1129</span>
<a class="tag" taget="_blank" href="/search/%E5%88%86%E5%B8%83%E5%BC%8F/1.htm">分布式</a>
                                    <div>RPC框架 Dubbo 
什么是Dubbo 
  
Dubbo是一个分布式服务框架,致力于提供高性能和透明化的RPC远程服务调用方案,以及SOA服务治理方案。其核心部分包含:    远程通讯: 提供对多种基于长连接的NIO框架抽象封装,包括多种线程模型,序列化,以及“请求-响应”模式的信息交换方式。    集群容错: 提供基于接</div>
                                </li>
                                <li><a href="/article/1767.htm"
                                       title="那些令人蛋痛的专业术语" target="_blank">那些令人蛋痛的专业术语</a>
                                    <span class="text-muted">白糖_</span>
<a class="tag" taget="_blank" href="/search/spring/1.htm">spring</a><a class="tag" taget="_blank" href="/search/Web/1.htm">Web</a><a class="tag" taget="_blank" href="/search/SSO/1.htm">SSO</a><a class="tag" taget="_blank" href="/search/IOC/1.htm">IOC</a>
                                    <div> 
 spring 
 
【控制反转(IOC)/依赖注入(DI)】: 
由容器控制程序之间的关系,而非传统实现中,由程序代码直接操控。这也就是所谓“控制反转”的概念所在:控制权由应用代码中转到了外部容器,控制权的转移,是所谓反转。 
简单的说:对象的创建又容器(比如spring容器)来执行,程序里不直接new对象。 
 
 Web 
 
【单点登录(SSO)】:SSO的定义是在多个应用系统中,用户</div>
                                </li>
                                <li><a href="/article/1894.htm"
                                       title="《给大忙人看的java8》摘抄" target="_blank">《给大忙人看的java8》摘抄</a>
                                    <span class="text-muted">braveCS</span>
<a class="tag" taget="_blank" href="/search/java8/1.htm">java8</a>
                                    <div>函数式接口:只包含一个抽象方法的接口 
lambda表达式:是一段可以传递的代码 
  
  
  
你最好将一个lambda表达式想象成一个函数,而不是一个对象,并记住它可以被转换为一个函数式接口。 
事实上,函数式接口的转换是你在Java中使用lambda表达式能做的唯一一件事。 
  
方法引用:又是要传递给其他代码的操作已经有实现的方法了,这时可以使</div>
                                </li>
                                <li><a href="/article/2021.htm"
                                       title="编程之美-计算字符串的相似度" target="_blank">编程之美-计算字符串的相似度</a>
                                    <span class="text-muted">bylijinnan</span>
<a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/%E7%AE%97%E6%B3%95/1.htm">算法</a><a class="tag" taget="_blank" href="/search/%E7%BC%96%E7%A8%8B%E4%B9%8B%E7%BE%8E/1.htm">编程之美</a>
                                    <div>

public class StringDistance {

	/**
	 * 编程之美 计算字符串的相似度
	 * 我们定义一套操作方法来把两个不相同的字符串变得相同,具体的操作方法为:
	 * 1.修改一个字符(如把“a”替换为“b”);
	 * 2.增加一个字符(如把“abdd”变为“aebdd”);
	 * 3.删除一个字符(如把“travelling”变为“trav</div>
                                </li>
                                <li><a href="/article/2148.htm"
                                       title="上传、下载压缩图片" target="_blank">上传、下载压缩图片</a>
                                    <span class="text-muted">chengxuyuancsdn</span>
<a class="tag" taget="_blank" href="/search/%E4%B8%8B%E8%BD%BD/1.htm">下载</a>
                                    <div>/**
	 * 
	 * @param uploadImage --本地路径(tomacat路径)
	 * @param serverDir   --服务器路径
	 * @param imageType   --文件或图片类型
	 * 此方法可以上传文件或图片.txt,.jpg,.gif等
	 */
	public void upload(String uploadImage,Str</div>
                                </li>
                                <li><a href="/article/2275.htm"
                                       title="bellman-ford(贝尔曼-福特)算法" target="_blank">bellman-ford(贝尔曼-福特)算法</a>
                                    <span class="text-muted">comsci</span>
<a class="tag" taget="_blank" href="/search/%E7%AE%97%E6%B3%95/1.htm">算法</a><a class="tag" taget="_blank" href="/search/F%23/1.htm">F#</a>
                                    <div>Bellman-Ford算法(根据发明者 Richard Bellman 和 Lester Ford 命名)是求解单源最短路径问题的一种算法。单源点的最短路径问题是指:给定一个加权有向图G和源点s,对于图G中的任意一点v,求从s到v的最短路径。有时候这种算法也被称为 Moore-Bellman-Ford 算法,因为 Edward F. Moore zu 也为这个算法的发展做出了贡献。 
 
与迪科</div>
                                </li>
                                <li><a href="/article/2402.htm"
                                       title="oracle ASM中ASM_POWER_LIMIT参数" target="_blank">oracle ASM中ASM_POWER_LIMIT参数</a>
                                    <span class="text-muted">daizj</span>
<a class="tag" taget="_blank" href="/search/ASM/1.htm">ASM</a><a class="tag" taget="_blank" href="/search/oracle/1.htm">oracle</a><a class="tag" taget="_blank" href="/search/ASM_POWER_LIMIT/1.htm">ASM_POWER_LIMIT</a><a class="tag" taget="_blank" href="/search/%E7%A3%81%E7%9B%98%E5%B9%B3%E8%A1%A1/1.htm">磁盘平衡</a>
                                    <div>ASM_POWER_LIMIT 
该初始化参数用于指定ASM例程平衡磁盘所用的最大权值,其数值范围为0~11,默认值为1。该初始化参数是动态参数,可以使用ALTER  SESSION或ALTER  SYSTEM命令进行修改。示例如下: 
 
SQL>ALTER  SESSION  SET   Asm_power_limit=2; 
</div>
                                </li>
                                <li><a href="/article/2529.htm"
                                       title="高级排序:快速排序" target="_blank">高级排序:快速排序</a>
                                    <span class="text-muted">dieslrae</span>
<a class="tag" taget="_blank" href="/search/%E5%BF%AB%E9%80%9F%E6%8E%92%E5%BA%8F/1.htm">快速排序</a>
                                    <div>
    public void quickSort(int[] array){
        this.quickSort(array, 0, array.length - 1);
    }
    
    public void quickSort(int[] array,int left,int right){
        if(right - left <= 0</div>
                                </li>
                                <li><a href="/article/2656.htm"
                                       title="C语言学习六指针_何谓变量的地址 一个指针变量到底占几个字节" target="_blank">C语言学习六指针_何谓变量的地址 一个指针变量到底占几个字节</a>
                                    <span class="text-muted">dcj3sjt126com</span>
<a class="tag" taget="_blank" href="/search/C%E8%AF%AD%E8%A8%80/1.htm">C语言</a>
                                    <div># include <stdio.h>

int main(void)
{
	/*
	1、一个变量的地址只用第一个字节表示
	2、虽然他只使用了第一个字节表示,但是他本身指针变量类型就可以确定出他指向的指针变量占几个字节了
	3、他都只存了第一个字节地址,为什么只需要存一个字节的地址,却占了4个字节,虽然只有一个字节,
		但是这些字节比较多,所以编号就比较大,
		</div>
                                </li>
                                <li><a href="/article/2783.htm"
                                       title="phpize使用方法" target="_blank">phpize使用方法</a>
                                    <span class="text-muted">dcj3sjt126com</span>
<a class="tag" taget="_blank" href="/search/PHP/1.htm">PHP</a>
                                    <div>phpize是用来扩展php扩展模块的,通过phpize可以建立php的外挂模块,下面介绍一个它的使用方法,需要的朋友可以参考下 
安装(fastcgi模式)的时候,常常有这样一句命令: 
代码如下: 
/usr/local/webserver/php/bin/phpize 
  
一、phpize是干嘛的? 
phpize是什么? 
phpize是用来扩展php扩展模块的,通过phpi</div>
                                </li>
                                <li><a href="/article/2910.htm"
                                       title="Java虚拟机学习 - 对象引用强度" target="_blank">Java虚拟机学习 - 对象引用强度</a>
                                    <span class="text-muted">shuizhaosi888</span>
<a class="tag" taget="_blank" href="/search/JAVA%E8%99%9A%E6%8B%9F%E6%9C%BA/1.htm">JAVA虚拟机</a>
                                    <div> 
 本文原文链接:http://blog.csdn.net/java2000_wl/article/details/8090276 转载请注明出处! 
 无论是通过计数算法判断对象的引用数量,还是通过根搜索算法判断对象引用链是否可达,判定对象是否存活都与“引用”相关。 
 引用主要分为 :强引用(Strong Reference)、软引用(Soft Reference)、弱引用(Wea</div>
                                </li>
                                <li><a href="/article/3037.htm"
                                       title=".NET Framework 3.5 Service Pack 1(完整软件包)下载地址" target="_blank">.NET Framework 3.5 Service Pack 1(完整软件包)下载地址</a>
                                    <span class="text-muted">happyqing</span>
<a class="tag" taget="_blank" href="/search/.net/1.htm">.net</a><a class="tag" taget="_blank" href="/search/%E4%B8%8B%E8%BD%BD/1.htm">下载</a><a class="tag" taget="_blank" href="/search/framework/1.htm">framework</a>
                                    <div>  
Microsoft .NET Framework 3.5 Service Pack 1(完整软件包)  
http://www.microsoft.com/zh-cn/download/details.aspx?id=25150 
Microsoft .NET Framework 3.5 Service Pack 1 是一个累积更新,包含很多基于 .NET Framewo</div>
                                </li>
                                <li><a href="/article/3164.htm"
                                       title="JAVA定时器的使用" target="_blank">JAVA定时器的使用</a>
                                    <span class="text-muted">jingjing0907</span>
<a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/timer/1.htm">timer</a><a class="tag" taget="_blank" href="/search/%E7%BA%BF%E7%A8%8B/1.htm">线程</a><a class="tag" taget="_blank" href="/search/%E5%AE%9A%E6%97%B6%E5%99%A8/1.htm">定时器</a>
                                    <div>1、在应用开发中,经常需要一些周期性的操作,比如每5分钟执行某一操作等。 
对于这样的操作最方便、高效的实现方式就是使用java.util.Timer工具类。 
privatejava.util.Timer timer; 
timer = newTimer(true); 
timer.schedule( 
newjava.util.TimerTask() { public void run() 
</div>
                                </li>
                                <li><a href="/article/3291.htm"
                                       title="Webbench" target="_blank">Webbench</a>
                                    <span class="text-muted">流浪鱼</span>
<a class="tag" taget="_blank" href="/search/webbench/1.htm">webbench</a>
                                    <div>首页下载地址 http://home.tiscali.cz/~cz210552/webbench.html 
Webbench是知名的网站压力测试工具,它是由Lionbridge公司(http://www.lionbridge.com)开发。 
Webbench能测试处在相同硬件上,不同服务的性能以及不同硬件上同一个服务的运行状况。webbench的标准测试可以向我们展示服务器的两项内容:每秒钟相</div>
                                </li>
                                <li><a href="/article/3418.htm"
                                       title="第11章 动画效果(中)" target="_blank">第11章 动画效果(中)</a>
                                    <span class="text-muted">onestopweb</span>
<a class="tag" taget="_blank" href="/search/%E5%8A%A8%E7%94%BB/1.htm">动画</a>
                                    <div>index.html 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/</div>
                                </li>
                                <li><a href="/article/3545.htm"
                                       title="windows下制作bat启动脚本." target="_blank">windows下制作bat启动脚本.</a>
                                    <span class="text-muted">sanyecao2314</span>
<a class="tag" taget="_blank" href="/search/java/1.htm">java</a><a class="tag" taget="_blank" href="/search/cmd/1.htm">cmd</a><a class="tag" taget="_blank" href="/search/%E8%84%9A%E6%9C%AC/1.htm">脚本</a><a class="tag" taget="_blank" href="/search/bat/1.htm">bat</a>
                                    <div>java -classpath C:\dwjj\commons-dbcp.jar;C:\dwjj\commons-pool.jar;C:\dwjj\log4j-1.2.16.jar;C:\dwjj\poi-3.9-20121203.jar;C:\dwjj\sqljdbc4.jar;C:\dwjj\voucherimp.jar com.citsamex.core.startup.MainStart </div>
                                </li>
                                <li><a href="/article/3672.htm"
                                       title="Java进行RSA加解密的例子" target="_blank">Java进行RSA加解密的例子</a>
                                    <span class="text-muted">tomcat_oracle</span>
<a class="tag" taget="_blank" href="/search/java/1.htm">java</a>
                                    <div>加密是保证数据安全的手段之一。加密是将纯文本数据转换为难以理解的密文;解密是将密文转换回纯文本。     数据的加解密属于密码学的范畴。通常,加密和解密都需要使用一些秘密信息,这些秘密信息叫做密钥,将纯文本转为密文或者转回的时候都要用到这些密钥。     对称加密指的是发送者和接收者共用同一个密钥的加解密方法。     非对称加密(又称公钥加密)指的是需要一个私有密钥一个公开密钥,两个不同的密钥的</div>
                                </li>
                                <li><a href="/article/3799.htm"
                                       title="Android_ViewStub" target="_blank">Android_ViewStub</a>
                                    <span class="text-muted">阿尔萨斯</span>
<a class="tag" taget="_blank" href="/search/ViewStub/1.htm">ViewStub</a>
                                    <div>public final class ViewStub extends View 
 
 
 java.lang.Object 
   
   android.view.View 
     
     android.view.ViewStub 
      
    
 
 类摘要: ViewStub 是一个隐藏的,不占用内存空间的视图对象,它可以在运行时延迟加载布局资源文件。当 ViewSt</div>
                                </li>
                </ul>
            </div>
        </div>
    </div>

<div>
    <div class="container">
        <div class="indexes">
            <strong>按字母分类:</strong>
            <a href="/tags/A/1.htm" target="_blank">A</a><a href="/tags/B/1.htm" target="_blank">B</a><a href="/tags/C/1.htm" target="_blank">C</a><a
                href="/tags/D/1.htm" target="_blank">D</a><a href="/tags/E/1.htm" target="_blank">E</a><a href="/tags/F/1.htm" target="_blank">F</a><a
                href="/tags/G/1.htm" target="_blank">G</a><a href="/tags/H/1.htm" target="_blank">H</a><a href="/tags/I/1.htm" target="_blank">I</a><a
                href="/tags/J/1.htm" target="_blank">J</a><a href="/tags/K/1.htm" target="_blank">K</a><a href="/tags/L/1.htm" target="_blank">L</a><a
                href="/tags/M/1.htm" target="_blank">M</a><a href="/tags/N/1.htm" target="_blank">N</a><a href="/tags/O/1.htm" target="_blank">O</a><a
                href="/tags/P/1.htm" target="_blank">P</a><a href="/tags/Q/1.htm" target="_blank">Q</a><a href="/tags/R/1.htm" target="_blank">R</a><a
                href="/tags/S/1.htm" target="_blank">S</a><a href="/tags/T/1.htm" target="_blank">T</a><a href="/tags/U/1.htm" target="_blank">U</a><a
                href="/tags/V/1.htm" target="_blank">V</a><a href="/tags/W/1.htm" target="_blank">W</a><a href="/tags/X/1.htm" target="_blank">X</a><a
                href="/tags/Y/1.htm" target="_blank">Y</a><a href="/tags/Z/1.htm" target="_blank">Z</a><a href="/tags/0/1.htm" target="_blank">其他</a>
        </div>
    </div>
</div>
<footer id="footer" class="mb30 mt30">
    <div class="container">
        <div class="footBglm">
            <a target="_blank" href="/">首页</a> -
            <a target="_blank" href="/custom/about.htm">关于我们</a> -
            <a target="_blank" href="/search/Java/1.htm">站内搜索</a> -
            <a target="_blank" href="/sitemap.txt">Sitemap</a> -
            <a target="_blank" href="/custom/delete.htm">侵权投诉</a>
        </div>
        <div class="copyright">版权所有 IT知识库 CopyRight © 2000-2050 E-COM-NET.COM , All Rights Reserved.
<!--            <a href="https://beian.miit.gov.cn/" rel="nofollow" target="_blank">京ICP备09083238号</a><br>-->
        </div>
    </div>
</footer>
<!-- 代码高亮 -->
<script type="text/javascript" src="/static/syntaxhighlighter/scripts/shCore.js"></script>
<script type="text/javascript" src="/static/syntaxhighlighter/scripts/shLegacy.js"></script>
<script type="text/javascript" src="/static/syntaxhighlighter/scripts/shAutoloader.js"></script>
<link type="text/css" rel="stylesheet" href="/static/syntaxhighlighter/styles/shCoreDefault.css"/>
<script type="text/javascript" src="/static/syntaxhighlighter/src/my_start_1.js"></script>





</body>

</html>