Docker 常用命令 – docker version
概要
1、版本信息
Ubuntu 18.04.5
Docker 19.03.6命令解释
1、命令描述
docker version 用于显示 docker 的版本信息，包括 docker client 和 docker server。
2、用法
docker version [OPTIONS]docker version 是固定命令关键字，[OPTIONS] 表示是该命令有可选参数。默认情况下，docker version 会返回类 yaml 文件格式的所有版本信息。
如果传递了格式化参数(–format)和参数值，那么该命令会按照传递的 –format 参数的值进行渲染，可见示例部分。
3、可选参数 [OPTIONS]
|
速记参数名
|
完整参数名
|
参数值类型
|
默认值
|
参数描述
|
|
-f
|
string
|
无
|
用给定的 Go 模板来格式化输出
|
|
|
无
|
string
|
无
|
kubernetes 配置文件
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用法示例
1、docker version
jiangzl@ubuntu:/usr/bin$ docker version
Client:
Version: 19.03.6
API version: 1.40
Go version: go1.12.17
Git commit: 369ce74a3c
Built: Fri Feb 28 23:45:43 2020
OS/Arch: linux/amd64
Experimental: false
Server:
Engine:
Version: 19.03.6
API version: 1.40 (minimum version 1.12)
Go version: go1.12.17
Git commit: 369ce74a3c
Built: Wed Feb 19 01:06:16 2020
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: 1.3.3-0ubuntu1~18.04.2
GitCommit:
runc:
Version: spec: 1.0.1-dev
GitCommit:
docker-init:
Version: 0.18.0
GitCommit:默认输出全部的 docker 版本信息，默认包括客户端与本地服务端两个部分，如果本地服务端服务未启动，则会如下显示：
jiangzl@ubuntu:/usr/bin$ docker version
Client:
Version: 19.03.6
API version: 1.40
Go version: go1.12.17
Git commit: 369ce74a3c
Built: Fri Feb 28 23:45:43 2020
OS/Arch: linux/amd64
Experimental: false
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?2、docker version -f ‘{{.Server.Version}}’
jiangzl@ubuntu:/usr/bin$ docker version -f '{{.Server.Version}}'
19.03.6根据给定的 Go 模板，只输出 docker server 的版本信息。
3、docker version –format='{{.Server.Version}}’
jiangzl@ubuntu:/usr/bin$ docker version --format='{{.Server.Version}}'
19.03.6根据给定的 Go 模板，只输出 docker server 的版本信息，与上面的命令不同之处只在于参数写法不同。
4、docker version –format ‘{{json .}}’
jiangzl@ubuntu:/usr/bin$ docker version --format '{{json .}}'
{"Client":{"Platform":{"Name":""},"Version":"19.03.6","ApiVersion":"1.40","DefaultAPIVersion":"1.40","GitCommit":"369ce74a3c","GoVersion":"go1.12.17","Os":"linux","Arch":"amd64","BuildTime":"Fri Feb 28 23:45:43 2020","Experimental":false},"Server":{"Platform":{"Name":""},"Components":[{"Name":"Engine","Version":"19.03.6","Details":{"ApiVersion":"1.40","Arch":"amd64","BuildTime":"Wed Feb 19 01:06:16 2020","Experimental":"false","GitCommit":"369ce74a3c","GoVersion":"go1.12.17","KernelVersion":"5.4.0-42-generic","MinAPIVersion":"1.12","Os":"linux"}},{"Name":"containerd","Version":"1.3.3-0ubuntu1~18.04.2","Details":{"GitCommit":""}},{"Name":"runc","Version":"spec: 1.0.1-dev","Details":{"GitCommit":""}},{"Name":"docker-init","Version":"0.18.0","Details":{"GitCommit":""}}],"Version":"19.03.6","ApiVersion":"1.40","MinAPIVersion":"1.12","GitCommit":"369ce74a3c","GoVersion":"go1.12.17","Os":"linux","Arch":"amd64","KernelVersion":"5.4.0-42-generic","BuildTime":"2020-02-19T01:06:16.000000000+00:00"}}附录
1、参考
docker version 官方文档：
https://docs.docker.com/engine/reference/commandline/version/Go 模板官方文档：
http://golang.org/pkg/text/template/2、docker version –help
jiangzl@ubuntu:/usr/bin$ docker version --help
Usage: docker version [OPTIONS]
Show the Docker version information
Options:
-f, --format string Format the output using the given Go template
--kubeconfig string Kubernetes config file