docker [OPTIONS] command
Usage: docker [OPTIONS] COMMAND [arg...]
docker daemon [ --help | ... ]
docker [ -h | --help | -v | --version ]
A self-sufficient runtime for containers.
Options:
--config=~/.docker Location of client config files
-D, --debug=false Enable debug mode
-H, --host=[] Daemon socket(s) to connect to
-h, --help=false Print usage
-l, --log-level=info Set the logging level
--tls=false Use TLS; implied by --tlsverify
--tlscacert=~/.docker/ca.pem Trust certs signed only by this CA
--tlscert=~/.docker/cert.pem Path to TLS certificate file
--tlskey=~/.docker/key.pem Path to TLS key file
--tlsverify=false Use TLS and verify the remote
-v, --version=false Print version information and quit
attach
Attach to a running container
将终端依附到容器上
Usage: docker attach [OPTIONS] CONTAINER
Attach to a running container
--help=false Print usage
--no-stdin=false Do not attach STDIN
--sig-proxy=true Proxy all received signals to the process
build
Usage: docker build [OPTIONS] PATH | URL | -
Build an image from a Dockerfile
--build-arg=[] Set build-time variables
--cpu-shares=0 CPU shares (relative weight)
--cgroup-parent= Optional parent cgroup for the container
--cpu-period=0 Limit the CPU CFS (Completely Fair Scheduler) period
--cpu-quota=0 Limit the CPU CFS (Completely Fair Scheduler) quota
--cpuset-cpus= CPUs in which to allow execution (0-3, 0,1)
--cpuset-mems= MEMs in which to allow execution (0-3, 0,1)
--disable-content-trust=true Skip image verification
-f, --file= Name of the Dockerfile (Default is 'PATH/Dockerfile')
--force-rm=false Always remove intermediate containers
--help=false Print usage
-m, --memory= Memory limit
--memory-swap= Total memory (memory + swap), '-1' to disable swap
--no-cache=false Do not use cache when building the image
--pull=false Always attempt to pull a newer version of the image
-q, --quiet=false Suppress the verbose output generated by the containers
--rm=true Remove intermediate containers after a successful build
-t, --tag= Repository name (and optionally a tag) for the image
--ulimit=[] Ulimit options
通过Dockerfile创建镜像。具体见以后的使用中。
commit
Usage: docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]
Create a new image from a container's changes
-a, --author= Author (e.g., "John Hannibal Smith mailto:[email protected]")
-c, --change=[] Apply Dockerfile instruction to the created image
--help=false Print usage
-m, --message= Commit message
-p, --pause=true Pause container during commit
通过容器创建本地镜像.
可自定义tag，如docker commit dc806ee0bf86 web:v1
不指定tag的情况下默认tag为latest
root@ubuntu:~# docker commit dc806ee0bf86 test
1e488386876e14ef3e930a98ec0bb49de1890963e2e979069f9f4d87f89f4959
cp
Usage: docker cp [OPTIONS] CONTAINER:PATH LOCALPATH|-
docker cp [OPTIONS] LOCALPATH|- CONTAINER:PATH
Copy files/folders between a container and the local filesystem
Use '-' as the source to read a tar archive from stdin and extract it to a directory destination in a container.
Use '-' as the destination to stream a tar archive of a container source to stdout.
容器和宿主机之间相互copy文件
1.将容器:/data/a.txt复制到本地当前目录
$ docker cp 87cb69be18bb:/data/a.txt ./
2.将本地文件复制到容器:/data/backup目录下
$ docker cp helpdocker.tgz 87cb69be18bb:/data/backup/
3.将本地目录复制到容器:/data/backup目录下
$ docker cp data 87cb69be18bb:/data/backup
create
Usage: docker create [OPTIONS] IMAGE [COMMAND] [ARG...]
Create a new container
-a, --attach=[] Attach to STDIN, STDOUT or STDERR
--add-host=[] Add a custom host-to-IP mapping (host:ip)
--blkio-weight=0 Block IO (relative weight), between 10 and 1000
--cpu-shares=0 CPU shares (relative weight)
--cap-add=[] Add Linux capabilities
--cap-drop=[] Drop Linux capabilities
--cgroup-parent= Optional parent cgroup for the container
--cidfile= Write the container ID to the file
--cpu-period=0 Limit CPU CFS (Completely Fair Scheduler) period
--cpu-quota=0 Limit CPU CFS (Completely Fair Scheduler) quota
--cpuset-cpus= CPUs in which to allow execution (0-3, 0,1)
--cpuset-mems= MEMs in which to allow execution (0-3, 0,1)
--device=[] Add a host device to the container
--disable-content-trust=true Skip image verification
--dns=[] Set custom DNS servers
--dns-opt=[] Set DNS options
--dns-search=[] Set custom DNS search domains
-e, --env=[] Set environment variables
--entrypoint= Overwrite the default ENTRYPOINT of the image
--env-file=[] Read in a file of environment variables
--expose=[] Expose a port or a range of ports
--group-add=[] Add additional groups to join
-h, --hostname= Container host name
--help=false Print usage
-i, --interactive=false Keep STDIN open even if not attached
--ipc= IPC namespace to use
--kernel-memory= Kernel memory limit
-l, --label=[] Set meta data on a container
--label-file=[] Read in a line delimited file of labels
--link=[] Add link to another container
--log-driver= Logging driver for container
--log-opt=[] Log driver options
--lxc-conf=[] Add custom lxc options
-m, --memory= Memory limit
--mac-address= Container MAC address (e.g. 92:d0:c6:0a:29:33)
--memory-reservation= Memory soft limit
--memory-swap= Total memory (memory + swap), '-1' to disable swap
--memory-swappiness=-1 Tuning container memory swappiness (0 to 100)
--name= Assign a name to the container
--net=default Set the Network for the container
--oom-kill-disable=false Disable OOM Killer
-P, --publish-all=false Publish all exposed ports to random ports
-p, --publish=[] Publish a container's port(s) to the host
--pid= PID namespace to use
--privileged=false Give extended privileges to this container
--read-only=false Mount the container's root filesystem as read only
--restart=no Restart policy to apply when a container exits
--security-opt=[] Security Options
--stop-signal=SIGTERM Signal to stop a container, SIGTERM by default
-t, --tty=false Allocate a pseudo-TTY
-u, --user= Username or UID (format:
--ulimit=[] Ulimit options
--uts= UTS namespace to use
-v, --volume=[] Bind mount a volume
--volume-driver= Optional volume driver for the container
--volumes-from=[] Mount volumes from the specified container(s)
-w, --workdir= Working directory inside the container
创建但不启动一个容器.具体参数同docker run.
diff
Usage: docker diff [OPTIONS] CONTAINER
Inspect changes on a container's filesystem
--help=false Print usage
查看容器内发生变化的文件。
$ docker diff 87cb69be18bb
A /data
A /data/a.txt
A /data/b
A /data/backup
A /data/backup/data
A /data/backup/helpdocker.tgz
C /root
A /root/.bash_history
events
Usage: docker events [OPTIONS]
Get real time events from the server
-f, --filter=[] Filter output based on conditions provided
--help=false Print usage
--since= Show all events created since timestamp
--until= Stream events until this timestamp
实时输出docker服务器端的事件，包括容器的创建、启动、关闭等。
$ docker events
2016-08-26T10:42:08.001137030+08:00 87cb69be18bbe74ea9e14b16228ccc3347dcffb3e074fa303ca32deb46417105: (from ubuntu:14.04) die
exec
Usage: docker exec [OPTIONS] CONTAINER COMMAND [ARG...]
Run a command in a running container
-d, --detach=false Detached mode: run command in the background
--help=false Print usage
-i, --interactive=false Keep STDIN open even if not attached
--privileged=false Give extended privileges to the command
-t, --tty=false Allocate a pseudo-TTY
-u, --user= Username or UID (format:
通过宿主机在正在运行的容器上执行命令。
通过宿主机在容器上创建文件
$ docker exec 87cb69be18bb touch /root/abc.txt
可通过exec命令申请一个终端，执行shell:
$ docker exec -it 87cb69be18bb /bin/bash
root@87cb69be18bb:/# ls
abc bin boot data dev etc home ifconfig lib lib64 media mnt opt proc root run sbin srv sys tmp usr var
export
Usage: docker export [OPTIONS] CONTAINER
Export a container's filesystem as a tar archive
--help=false Print usage
-o, --output= Write to a file, instead of STDOUT
将容器的文件系统打包成tar文件
两种方式：
$ docker export 87cb69be18bb > web.tar
$ docker export -o web.tar 87cb69be18bb
history
Usage: docker history [OPTIONS] IMAGE
Show the history of an image
-H, --human=true Print sizes and dates in human readable format
--help=false Print usage
--no-trunc=false Don't truncate output
-q, --quiet=false Only show numeric IDs
显示一个镜像的历史
$ docker history ubuntu:14.04
IMAGE CREATED CREATED BY SIZE COMMENT
d9560c05d6bd 2 weeks ago /bin/sh -c #(nop) CMD ["/bin/bash"] 0 B
001bed837092 2 weeks ago /bin/sh -c sed -i 's/^#\s(deb.universe)$/ 1.895 kB
92b3f03280cc 2 weeks ago /bin/sh -c rm -rf /var/lib/apt/lists/* 0 B
24e6f8fb4abf 2 weeks ago /bin/sh -c set -xe && echo '#!/bin/sh' > /u 194.6 kB
50ed19911a3e 2 weeks ago /bin/sh -c #(nop) ADD file:4f5a660d3f5141588d 187.8 MB
images
Usage: docker images [OPTIONS] [REPOSITORY[:TAG]]
List images
-a, --all=false Show all images (default hides intermediate images)
--digests=false Show digests
-f, --filter=[] Filter output based on conditions provided
--help=false Print usage
--no-trunc=false Don't truncate output
-q, --quiet=false Only show numeric IDs
显示所有的镜像.
import
Usage: docker import [OPTIONS] file|URL|- [REPOSITORY[:TAG]]
Import the contents from a tarball to create a filesystem image
-c, --change=[] Apply Dockerfile instruction to the created image
--help=false Print usage
-m, --message= Set commit message for imported image
根据export出的tar文件创建一个镜像，和export相结合使用，这种方式容器的层结构将会丢失。
info
Usage: docker info [OPTIONS]
Display system-wide information
--help=false Print usage
查看docker的全局信息.
docker info
Containers: 1
Images: 25
Server Version: 1.9.1
Storage Driver: aufs
Root Dir: /var/lib/docker/aufs
Backing Filesystem: extfs
Dirs: 27
Dirperm1 Supported: false
Execution Driver: native-0.2
Logging Driver: json-file
Kernel Version: 3.13.0-32-generic
Operating System: Ubuntu 14.04.1 LTS
CPUs: 1
Total Memory: 986.8 MiB
Name: ubuntu
ID: ALLP:KE4W:ITY7:WUL6:QKUG:4CGB:R6IA:2UXG:227D:K6BF:EDLL:27TX
WARNING: No swap limit support
inspect
Usage: docker inspect [OPTIONS] CONTAINER|IMAGE [CONTAINER|IMAGE...]
Return low-level information on a container or image
-f, --format= Format the output using the given go template
--help=false Print usage
-s, --size=false Display total file sizes if the type is container
--type= Return JSON for specified type, (e.g image or container)
用于查看容器的所有配置信息，包含容器名、环境变量、运行命令、主机配置、网络配置和数据卷配置等。
$ docker inspect nextcloud
[
{
"Id": "4f798fc8f1b5bcde38aa3702a02e06d996ae4608e8c369237754ae50e950f7ca",
"Created": "2018-08-10T03:28:36.570570242Z",
"Path": "/bin/bash",
"Args": [],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 19066,
"ExitCode": 0,
"Error": "",
"StartedAt": "2018-08-15T01:51:36.80771433Z",
"FinishedAt": "2018-08-15T01:51:36.267209678Z"
},
"Image": "sha256:c3342f6abac82e375ec5c5e64be74afee47af31e39ba480a55fd912aa45a722b",
"ResolvConfPath": "/var/lib/docker/containers/4f798fc8f1b5bcde38aa3702a02e06d996ae4608e8c369237754ae50e950f7ca/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/4f798fc8f1b5bcde38aa3702a02e06d996ae4608e8c369237754ae50e950f7ca/hostname",
"HostsPath": "/var/lib/docker/containers/4f798fc8f1b5bcde38aa3702a02e06d996ae4608e8c369237754ae50e950f7ca/hosts",
"LogPath": "/var/lib/docker/containers/4f798fc8f1b5bcde38aa3702a02e06d996ae4608e8c369237754ae50e950f7ca/4f798fc8f1b5bcde38aa3702a02e06d996ae4608e8c369237754ae50e950f7ca-json.log",
"Name": "/nextcloud",
"RestartCount": 2,
"Driver": "overlay2",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "docker-default",
"ExecIDs": null,
kill
Usage: docker kill [OPTIONS] CONTAINER [CONTAINER...]
Kill a running container
--help=false Print usage
-s, --signal=KILL Signal to send to the container
强制终止容器.
关于stop和kill的区别:
docker stop命令给容器中的进程发送SIGTERM信号，默认行为是会导致容器退出，当然，容器内程序可以捕获该信号并自行处理，例如可以选择忽略。而dockerkill则是给容器的进程发送SIGKILL信号，该信号将会使容器必然退出。
load
Usage: docker load [OPTIONS]
Load an image from a tar archive or STDIN
--help=false Print usage
-i, --input= Read from a tar archive file, instead of STDIN
与下面的save命令相对应，将下面sava命令打包的镜像通过load命令导入。
login
Usage: docker login [OPTIONS] [SERVER]
Register or log in to a Docker registry.
If no server is specified "https://index.docker.io/v1/" is the default.
-e, --email= Email
--help=false Print usage
-p, --password= Password
-u, --username= Username
登录到自己的Docker register，需有Docker Hub的注册账号，或者自行搭建的私有仓库。
logout
Usage: docker logout [OPTIONS] [SERVER]
Log out from a Docker registry.
If no server is specified "https://index.docker.io/v1/" is the default.
--help=false Print usage
从Docker register退出登录。
logs
Fetch the logs of a container
-f, --follow=false Follow log output
--help=false Print usage
--since= Show logs since timestamp
-t, --timestamps=false Show timestamps
--tail=all Number of lines to show from the end of the logs
用于查看容器的日志，它将输入(出)到容器标准输入(出)的数据，作为日志输出到docker logs命令的终端上。常用于后台型容器。
87cb69be18bb是一个数据流为输入、输出和错误和容器，如下命令则会打印该容器的所有交互日志。
docker logs 87cb69be18bb
来个综合点的，查询容器最新的3条日志并打上时间戳：
docker logs -f -t --tail=3 nextcloud
2018-08-15T01:51:23.500951699Z root@nextcloud:/#
2018-08-15T01:51:36.154541783Z root@nextcloud:/# exit
2018-08-15T01:51:36.154917668Z exit
network
Usage: docker network [OPTIONS] COMMAND [OPTIONS]
Commands:
create Create a network
connect Connect container to a network
disconnect Disconnect container from a network
inspect Display detailed network information
ls List all networks
rm Remove a network
创建网络
Usage: docker network create [OPTIONS] NETWORK-NAME
Creates a new network with a name specified by the user
--aux-address=map[] auxiliary ipv4 or ipv6 addresses used by Network driver
-d, --driver=bridge Driver to manage the Network
--gateway=[] ipv4 or ipv6 Gateway for the master subnet
--help=false Print usage
--ip-range=[] allocate container ip from a sub-range
--ipam-driver=default IP Address Management Driver
-o, --opt=map[] set driver specific options
--subnet=[] subnet in CIDR format that represents a network segment
自定义网络，可指定网段、网关等参数。
创建一个my_network的网络，--ip-range：指定子网段，--subnet：指定一个网段
$ docker network create -d bridge --ip-range=192.168.1.0/24 --subnet=192.168.1.0/24 my_network
查看网络
Usage: docker network inspect [OPTIONS] NETWORK [NETWORK...]
Displays detailed information on a network
$ docker network inspect my_network
[
{
"Name": "my_network",
"Id": "414e1dd5d71ea709be885be5c283ed8080c8ca22e9baad0dc242865dd39164fd",
"Scope": "local",
"Driver": "bridge",
"IPAM": {
"Driver": "default",
"Config": [
{
"Subnet": "192.168.1.0/24",
"IPRange": "192.168.1.0/24"
}
]
},
"Containers": {},
"Options": {}
}
]
列出网络
Usage: docker network ls [OPTIONS]
Lists networks
--no-trunc=false Do not truncate the output
-q, --quiet=false Only display numeric IDs
$ docker network ls
NETWORK ID NAME DRIVER
90b8ebd11e4f bridge bridge
77dd4f913ba1 none null
65dfd6ebddab host host
414e1dd5d71e my_network bridge
bridge为默认的网络，172.17.0.0/16网段
my_network 为自定义的网格
删除网络
Usage: docker network rm [OPTIONS] NETWORK
Deletes a network
$ docker network rm my_network1
连接网络
Usage: docker network connect [OPTIONS] NETWORK CONTAINER
Connects a container to a network
将容器连接到指定的网络。
1.创建一个容器，不指定网络，默认会用bridge网络。
$ #docker run -it --name=web ubuntu:14.04 /bin/bash
会看到默认有eth0：172.17.0.0/16段
root@d35ef0bda3fb:/# ifconfig
eth0 Link encap:Ethernet HWaddr 02:42:ac:11:00:02
inet addr:172.17.0.2 Bcast:0.0.0.0 Mask:255.255.0.0
inet6 addr: fe80::42:acff:fe11:2/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:5 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:418 (418.0 B) TX bytes:508 (508.0 B)
2.将该容器连接到my_network网络
连接到的容器必须是running状态。
$ docker network connect my_network web
3.查看容器网络状态
会看到多出一个eth1：192.168.1.0/24网段
root@d35ef0bda3fb:/# ifconfig
eth0 Link encap:Ethernet HWaddr 02:42:ac:11:00:02
inet addr:172.17.0.2 Bcast:0.0.0.0 Mask:255.255.0.0
inet6 addr: fe80::42:acff:fe11:2/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:8 errors:0 dropped:0 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:648 (648.0 B) TX bytes:648 (648.0 B)
eth1 Link encap:Ethernet HWaddr 02:42:c0:a8:01:02
inet addr:192.168.1.2 Bcast:0.0.0.0 Mask:255.255.255.0
inet6 addr: fe80::42:c0ff:fea8:102/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:8 errors:0 dropped:0 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:648 (648.0 B) TX bytes:648 (648.0 B)
断开网络
Usage: docker network disconnect [OPTIONS] NETWORK CONTAINER
Disconnects container from a network
将容器与一个网络断开
docker network disconnect my_network web
断开后该容器不在拥有该网络的地址。
pause
Usage: docker pause [OPTIONS] CONTAINER [CONTAINER...]
Pause all processes within a container
--help=false Print usage
暂停容器内的所有进程。
此时，通过docker stats可以观察到此时的资源使用情况是固定不变的，通过docker logs -f也观察不到日志的进一步输出。
$ docker pause 87cb69be18bb
容器的状态变为：Up About an hour (Paused)
docker unpause 重新启动一个容器。
port
Usage: docker port [OPTIONS] CONTAINER [PRIVATE_PORT[/PROTO]]
List port mappings or a specific mapping for the CONTAINER
输出容器端口与宿主机端口的映射情况
docker port blog
80/tcp -> 0.0.0.0:80
容器blog的内部端口80映射到宿主机的80端口，这样可通过宿主机的80端口查看容器blog提供的服务
ps
Usage: docker ps [OPTIONS]
List containers
-a, --all=false Show all containers (default shows just running)
--before= Show only container created before Id or Name
-f, --filter=[] Filter output based on conditions provided
--format= Pretty-print containers using a Go template
--help=false Print usage
-l, --latest=false Show the latest created container, include non-running
-n=-1 Show n last created containers, include non-running
--no-trunc=false Don't truncate output
-q, --quiet=false Only display numeric IDs
-s, --size=false Display total file sizes
--since= Show created since Id or Name, include non-running
列出所有容器，其中docker ps用于查看正在运行的容器，ps -a则用于查看所有容器。
pull
Usage: docker pull [OPTIONS] NAME[:TAG|@DIGEST]
Pull an image or a repository from a registry
-a, --all-tags=false Download all tagged images in the repository
--disable-content-trust=true Skip image verification
--help=false Print usage
从registry中拉取镜像。
push
Usage: docker push [OPTIONS] NAME[:TAG]
Push an image or a repository to a registry
--disable-content-trust=true Skip image signing
--help=false Print usage
本地的镜像上传到registry中
rename
Usage: docker rename [OPTIONS] OLD_NAME NEW_NAME
Rename a container
--help=false Print usage
更改容器的名字.
将容器tender_lichterman更名为web1.
docker rename tender_lichterman web1
restart
Usage: docker restart [OPTIONS] CONTAINER [CONTAINER...]
Restart a container
--help=false Print usage
-t, --time=10 Seconds to wait for stop before killing the container
重启一个容器。
rm
Usage: docker rm [OPTIONS] CONTAINER [CONTAINER...]
Remove one or more containers
-f, --force=false Force the removal of a running container (uses SIGKILL)
--help=false Print usage
-l, --link=false Remove the specified link
-v, --volumes=false Remove the volumes associated with the container
删除容器。
不可以删除一个运行中的容器，必须先用docker stop或docker kill使其停止。
当然可以强制删除，必须加-f参数。
如果要一次性删除所有容器，可使用 docker rm -f $(docker ps -a -q)，其中，-q指的是只列出容器的ID。
rmi
Usage: docker rmi [OPTIONS] IMAGE [IMAGE...]
Remove one or more images
-f, --force=false Force removal of the image
--help=false Print usage
--no-prune=false Do not delete untagged parents
删除一个或多个镜像。
save
Usage: docker save [OPTIONS] IMAGE [IMAGE...]
Save an image(s) to a tar archive (streamed to STDOUT by default)
--help=false Print usage
-o, --output= Write to a file, instead of STDOUT
将镜像打包，与上面的load命令相对应.
两种方式：
docker save webserver >webserver.tar
docker save -o webserver.tar webserver:v1
search
Usage: docker search [OPTIONS] TERM
Search the Docker Hub for images
--automated=false Only show automated builds
--help=false Print usage
--no-trunc=false Don't truncate output
-s, --stars=0 Only displays with at least x stars
查找镜像。
start
Usage: docker start [OPTIONS] CONTAINER [CONTAINER...]
Start one or more stopped containers
-a, --attach=false Attach STDOUT/STDERR and forward signals
--help=false Print usage
-i, --interactive=false Attach container's STDIN
启动一个或多个停止的镜像。
启动一个镜像并启动一个交互试的终端。
$ docker start -ia 87cb69be18bb
root@87cb69be18bb:/# ls
stats
Usage: docker stats [OPTIONS] CONTAINER [CONTAINER...]
Display a live stream of container(s) resource usage statistics
--help=false Print usage
--no-stream=false Disable streaming stats and only pull the first result
动态显示容器的资源消耗情况，包括：CPU、内存、网络I/O.
stop
Usage: docker stop [OPTIONS] CONTAINER [CONTAINER...]
Stop a running container.
Sending SIGTERM and then SIGKILL after a grace period
--help=false Print usage
-t, --time=10 Seconds to wait for stop before killing it
停止一个正在运行的容器。
tag
Usage: docker tag [OPTIONS] IMAGE[:TAG] REGISTRYHOST/NAME[:TAG]
Tag an image into a repository
-f, --force=false Force
--help=false Print usage
对repository中的镜像进行重命名。tag后的镜像和原镜像拥有相同的ID。
top
Usage: docker top [OPTIONS] CONTAINER [ps OPTIONS]
Display the running processes of a container
查看容器中正在运行的进程。
$ docker top 87cb69be18bb
UID PID PPID C STIME TTY TIME CMD
root 512 679 0 12:59 pts/3 00:00:00 /bin/bash
unpause
Usage: docker unpause [OPTIONS] CONTAINER [CONTAINER...]
Unpause all processes within a container
--help=false Print usage
恢复容器内暂停的进程，与pause参数相对应。
version
Usage: docker version [OPTIONS]
Show the Docker version information
-f, --format= Format the output using the given go template
--help=false Print usage
查看docker版本信息
$ docker version
Client:
Version: 1.9.1
API version: 1.21
Go version: go1.4.3
Git commit: a34a1d5
Built: Fri Nov 20 17:56:04 UTC 2015
OS/Arch: linux/amd64
Server:
Version: 1.9.1
API version: 1.21
Go version: go1.4.3
Git commit: a34a1d5
Built: Fri Nov 20 17:56:04 UTC 2015
OS/Arch: linux/amd64
volume
Usage: docker volume [OPTIONS] [COMMAND]
Manage Docker volumes
Commands:
create Create a volume
inspect Return low-level information on a volume
ls List volumes
rm Remove a volume
管理docker数据卷.
创建数据卷
Usage: docker volume create [OPTIONS]
Create a volume
-d, --driver=local Specify volume driver name
--name= Specify volume name
-o, --opt=map[] Set driver specific options
1.创建一个名为data_v的数据卷
$ docker volume create --name='data_v'
2.创建完数据卷后，其他容器即可挂载该容器。可用于数据共享。
3.创建一个容器，把名为data_v的数据卷挂载到容器的/data目录
$ docker run -it -v data_v:/data ubuntu:14.04 /bin/bash
查看数据卷
Usage: docker volume inspect [OPTIONS] VOLUME [VOLUME...]
Return low-level information on a volume
-f, --format= Format the output using the given go template
查看刚刚创建的数据卷
$ docker volume inspect data_v
[
{
"Name": "data_v",
"Driver": "local",
"Mountpoint": "/var/lib/docker/volumes/data_v/_data"
}
]
列出数据卷
Usage: docker volume ls [OPTIONS]
List volumes
-f, --filter=[] Provide filter values (i.e. 'dangling=true')
-q, --quiet=false Only display volume names
$ docker volume ls
DRIVER VOLUME NAME
local 04ad14c9c5dbeecd08fe37927024b73efc809da9698eb7000c63e214e929ec15
local 067591aee8ac7ab721de3cba6896c9574703d434604e74f97ff489eecda42777
local 127dcc895206f024f9ece5d88da97db7ea0a9b689f2cf662a38f9baaba441755
local 19fc4d60583be9cda8b0d3f408e64c69efcad90dcab617655b22983588cc8a7c
local 1a1020d07eddf1d796dcef60e89f4a65cfd440c4817ea5d2d9cc608af8b3c139
删除数据卷
Usage: docker volume rm [OPTIONS] VOLUME [VOLUME...]
$ docker volume rm data_v
wait
Usage: docker wait [OPTIONS] CONTAINER [CONTAINER...]
Block until a container stops, then print its exit code
--help=false Print usage
捉容器停止时的退出码。
执行此命令后，该命令会“hang”在当前终端，直到容器停止，此时，会打印出容器的退出码。
未完待续......