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  • docker常用命令

    帮助命令

    docker version:版本信息

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker version
    Client: Docker Engine - Community
     Version:           20.10.0
     API version:       1.41
     Go version:        go1.13.15
     Git commit:        7287ab3
     Built:             Tue Dec  8 18:57:35 2020
     OS/Arch:           linux/amd64
     Context:           default
     Experimental:      true

    docker info:详细信息(可以看到配置的镜像加速器)

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker info
    Client:
     Context:    default
     Debug Mode: false
     Plugins:
      app: Docker App (Docker Inc., v0.9.1-beta3)
      buildx: Build with BuildKit (Docker Inc., v0.4.2-docker)
    
    Server:
     Containers: 0
      Running: 0
      Paused: 0
      Stopped: 0
     Images: 2
     Server Version: 20.10.0
     Storage Driver: overlay2
      Backing Filesystem: extfs
      Supports d_type: true
      Native Overlay Diff: true
     Logging Driver: json-file
     Cgroup Driver: cgroupfs
    
    。。。。。。。。。。

      Registry Mirrors:
       https://x3anyg4w.mirror.aliyuncs.com/

    docker --help :帮助命令(很重要)

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker --help
    
    Usage:  docker [OPTIONS] COMMAND
    
    A self-sufficient runtime for containers
    
    Options:
          --config string      Location of client config files (default "/root/.docker")
      -c, --context string     Name of the context to use to connect to the daemon (overrides DOCKER_HOST env var and default context set with "docker context use")
      -D, --debug              Enable debug mode
      -H, --host list          Daemon socket(s) to connect to
      -l, --log-level string   Set the logging level ("debug"|"info"|"warn"|"error"|"fatal") (default "info")
          --tls                Use TLS; implied by --tlsverify
          --tlscacert string   Trust certs signed only by this CA (default "/root/.docker/ca.pem")
          --tlscert string     Path to TLS certificate file (default "/root/.docker/cert.pem")
          --tlskey string      Path to TLS key file (default "/root/.docker/key.pem")
          --tlsverify          Use TLS and verify the remote
      -v, --version            Print version information and quit
    
    Management Commands:
      app*        Docker App (Docker Inc., v0.9.1-beta3)
      builder     Manage builds
      buildx*     Build with BuildKit (Docker Inc., v0.4.2-docker)
    
    。。。。。。

    镜像命令

    docker images(列出本地主机上的镜像)

    # 各个选项说明:
    REPOSITORY:表示镜像的仓库源
    TAG:镜像的标签
    IMAGE ID:镜像ID
    CREATED:镜像创建时间
    SIZE:镜像大小
    
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker images
    REPOSITORY   TAG       IMAGE ID       CREATED       SIZE
    tomcat       latest    feba8d001e3f   11 days ago   649MB
    centos       latest    300e315adb2f   3 weeks ago   209MB

    同一仓库源可以有多个 TAG,代表这个仓库源的不同个版本,我们使用 REPOSITORY:TAG 来定义不同的镜像,默认TAG为latest 。

    选项说明:

    -a :列出本地所有的镜像(含中间映像层)
    -q :只显示镜像ID。
    --digests :显示镜像的摘要信息
    --no-trunc :显示完整的镜像信息

    docker search  (在远程仓库查找某个镜像)

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker search tomcat
    NAME                          DESCRIPTION                                     STARS     OFFICIAL   AUTOMATED
    tomcat                        Apache Tomcat is an open source implementati…   2909      [OK]       
    tomee                         Apache TomEE is an all-Apache Java EE certif…   85        [OK]       
    dordoka/tomcat                Ubuntu 14.04, Oracle JDK 8 and Tomcat 8 base…   55                   [OK]
    bitnami/tomcat                Bitnami Tomcat Docker Image                     37                   [OK]
    kubeguide/tomcat-app          Tomcat image for Chapter 1                      29                   
    consol/tomcat-7.0             Tomcat 7.0.57, 8080, "admin/admin"              17                   [OK]
    cloudesire/tomcat             Tomcat server, 6/7/8                            15                   [OK]
    aallam/tomcat-mysql           Debian, Oracle JDK, Tomcat & MySQL              13                   [OK]
    arm32v7/tomcat                Apache Tomcat is an open source implementati…   10                   
    maluuba/tomcat7-java8         Tomcat7 with java8.                             6                    
    
    。。。。。。

    选项说明:

    --no-trunc : 显示完整的镜像描述

    docker pull (拉取镜像)

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker images
    REPOSITORY   TAG       IMAGE ID       CREATED       SIZE
    tomcat       latest    feba8d001e3f   11 days ago   649MB
    centos       latest    300e315adb2f   3 weeks ago   209MB
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker pull nginx
    Using default tag: latest
    latest: Pulling from library/nginx
    6ec7b7d162b2: Pull complete 
    cb420a90068e: Pull complete 
    2766c0bf2b07: Pull complete 
    e05167b6a99d: Pull complete 
    70ac9d795e79: Pull complete 
    Digest: sha256:4cf620a5c81390ee209398ecc18e5fb9dd0f5155cd82adcbae532fec94006fb9
    Status: Downloaded newer image for nginx:latest
    docker.io/library/nginx:latest
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker images
    REPOSITORY   TAG       IMAGE ID       CREATED       SIZE
    tomcat       latest    feba8d001e3f   11 days ago   649MB
    nginx        latest    ae2feff98a0c   2 weeks ago   133MB
    centos       latest    300e315adb2f   3 weeks ago   209MB

    docker pull nginx 即 docker pull nginx:latest,如有指定标签需要写明。

    在pull镜像时,由于镜像会基于其他的父镜像(镜像是一层套一层),所以需要一并下载依赖的其他镜像。

    docker rmi(删除镜像)

    • 删除单个镜像
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker rmi hello-world 
    Error response from daemon: conflict: unable to remove repository reference "hello-world" (must force) - container 6403e01e2e57 is using its referenced image bf756fb1ae65

    无法删除,出现这个问题的原因是删除的这个images被容器依赖,通过docker ps -a查询容器(-a :列出当前所有正在运行的容器+历史上运行过的):

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker ps -a
    CONTAINER ID   IMAGE         COMMAND    CREATED        STATUS                    PORTS     NAMES
    6403e01e2e57   hello-world   "/hello"   19 hours ago   Exited (0) 19 hours ago             vigorous_mcnulty

    这时有两种方式:

    1、先删除这个容器,再删除镜像

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker rm 6403e01e2e57
    6403e01e2e57
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker rmi hello-world 
    Untagged: hello-world:latest
    Untagged: hello-world@sha256:1a523af650137b8accdaed439c17d684df61ee4d74feac151b5b337bd29e7eec
    Deleted: sha256:bf756fb1ae65adf866bd8c456593cd24beb6a0a061dedf42b26a993176745f6b
    Deleted: sha256:9c27e219663c25e0f28493790cc0b88bc973ba3b1686355f221c38a36978ac63

    2、-f 强制删除

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker rmi -f hello-world 
    • 删除多个镜像
    docker rmi -f 镜像名1:TAG 镜像名2:TAG 
    • 删除所有镜像
    docker rmi -f $(docker images -qa)
    
    #docker images -qa  # 查询过往的和全部的镜像ID

    容器命令(一)

    docker run(新建并启动容器)

    选项说明:

    docker run [OPTIONS] IMAGE [COMMAND] [ARG...]
    
    --name="容器新名字": 为容器指定一个名称;
    -d: 后台运行容器,并返回容器ID,也即启动守护式容器;
    -i:以交互模式运行容器,通常与 -t 同时使用;
    -t:为容器重新分配一个伪输入终端,通常与 -i 同时使用;
    -P: 随机端口映射;
    -p: 指定端口映射,有以下四种格式
          ip:hostPort:containerPort
          ip::containerPort
          hostPort:containerPort
          containerPort

    交互式容器

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker images
    REPOSITORY   TAG       IMAGE ID       CREATED       SIZE
    tomcat       latest    feba8d001e3f   2 weeks ago   649MB
    centos       latest    300e315adb2f   4 weeks ago   209MB
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker run -it centos 
    [root@a71c63f25d64 /]# ps -ef
    UID        PID  PPID  C STIME TTY          TIME CMD
    root         1     0  0 03:19 pts/0    00:00:00 /bin/bash
    root        15     1  0 03:19 pts/0    00:00:00 ps -ef

    docker run -it centos:

    使用镜像centos:latest以交互模式启动一个容器,并进入容器。

    提示符root@a71c63f25d64的变化,说明已进入容器,进入容器后,可以用其他linux命令(比如ps、ls等等)正常操作这个centos容器。

    为什么docker run -it centos会进入容器,因为docker run -it centos缺省了后面的默认shell种类,即/bin/bash(其他还有csh、sh等),就是说如果不写就默认为/bin/bash。

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker run -it centos ls
    bin  etc   lib    lost+found  mnt  proc  run   srv  tmp  var
    dev  home  lib64  media       opt  root  sbin  sys  usr
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker ps -a
    CONTAINER ID   IMAGE     COMMAND       CREATED          STATUS                        PORTS     NAMES
    c80bf3e520cc   centos    "ls"          7 seconds ago    Exited (0) 6 seconds ago                beautiful_shaw
    0c6bffe45002   centos    "ls"          20 minutes ago   Exited (0) 20 minutes ago               magical_dubinsky
    a71c63f25d64   centos    "/bin/bash"   26 minutes ago   Exited (127) 21 minutes ago             xenodochial_morse

    加上COMMAND参数ls后,并没有进入容器,而是直接把运行结果(ls)返回,并马上退出了容器。

    指定容器名称

    docker run -it --name mycentos0922 centos:

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker ps
    CONTAINER ID   IMAGE     COMMAND       CREATED              STATUS              PORTS     NAMES
    b86226808d2b   centos    "/bin/bash"   About a minute ago   Up About a minute             mycentos0922

    docker ps(查看容器)

    选项说明

    docker ps [OPTIONS]
    
    OPTIONS说明(常用):
    -a :列出当前所有正在运行的容器+历史上运行过的
    -l :显示最近创建的容器。
    -n:显示最近n个创建的容器。
    -q :静默模式,只显示容器编号。
    --no-trunc :不截断输出
    #当前运行
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker ps
    CONTAINER ID   IMAGE     COMMAND       CREATED              STATUS              PORTS     NAMES
    b86226808d2b   centos    "/bin/bash"   About a minute ago   Up About a minute             mycentos0922
    #上一个
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker ps -l
    CONTAINER ID   IMAGE     COMMAND       CREATED          STATUS          PORTS     NAMES
    b86226808d2b   centos    "/bin/bash"   19 minutes ago   Up 19 minutes             mycentos0922
    #上3个
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker ps -n 3
    CONTAINER ID   IMAGE     COMMAND       CREATED          STATUS                   PORTS     NAMES
    b86226808d2b   centos    "/bin/bash"   19 minutes ago   Up 19 minutes                      mycentos0922
    c80bf3e520cc   centos    "ls"          3 hours ago      Exited (0) 3 hours ago             beautiful_shaw
    0c6bffe45002   centos    "ls"          3 hours ago      Exited (0) 3 hours ago             magical_dubinsky
    #只显示容器号
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker ps -q 
    b86226808d2b
    #全部的
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker ps -a
    CONTAINER ID   IMAGE     COMMAND       CREATED          STATUS                     PORTS     NAMES
    b86226808d2b   centos    "/bin/bash"   20 minutes ago   Up 20 minutes                        mycentos0922
    c80bf3e520cc   centos    "ls"          3 hours ago      Exited (0) 3 hours ago               beautiful_shaw
    0c6bffe45002   centos    "ls"          3 hours ago      Exited (0) 3 hours ago               magical_dubinsky
    a71c63f25d64   centos    "/bin/bash"   3 hours ago      Exited (127) 3 hours ago             xenodochial_morse

    退出容器

    对于交互式容器,默认不使用command参数的话,run -it 后会进入容器内,此时退出容器有两种方式:

    • exit,容器停止并退出
    • ctrl + p + q(先按p再按q),容器不停止,只是退出,容器在后台运行,这时用docker ps查看的话,容器状态为up

    启动/重启/停止/强制停止容器

    docker start/restart/stop/kill

    docker rm(删除已停止的容器)

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker ps -a
    CONTAINER ID   IMAGE     COMMAND       CREATED          STATUS                     PORTS     NAMES
    b86226808d2b   centos    "/bin/bash"   39 minutes ago   Up 38 minutes                        mycentos0922
    c80bf3e520cc   centos    "ls"          3 hours ago      Exited (0) 3 hours ago               beautiful_shaw
    0c6bffe45002   centos    "ls"          4 hours ago      Exited (0) 4 hours ago               magical_dubinsky
    a71c63f25d64   centos    "/bin/bash"   4 hours ago      Exited (127) 4 hours ago             xenodochial_morse
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker rm b86226808d2b
    Error response from daemon: You cannot remove a running container b86226808d2b42d1a2dd4060e01fbfdc3186b107647742052c633bf1810f6da6. Stop the container before attempting removal or force remove
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker rm -f b86226808d2b
    b86226808d2b

    对于正在运行的容器,无法用rm删除,可以用rm -f强制删除,但不建议这么做,最好是先stop,再rm。

    一次性删除多个容器:

    docker rm $(docker ps -a -q)  或者  docker ps -a -q|xargs docker rm

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker rm $(docker ps -a -q)
    c80bf3e520cc
    0c6bffe45002
    a71c63f25d64

    容器命令(二)

    启动守护式容器

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker run -d centos
    5eb9f9ce25fd6321e66494f744a4c22d2cdeb375a5bf81356f47c6ea770eb7f6
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker ps
    CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker ps -l
    CONTAINER ID   IMAGE     COMMAND       CREATED          STATUS                      PORTS     NAMES
    5eb9f9ce25fd   centos    "/bin/bash"   14 seconds ago   Exited (0) 13 seconds ago             focused_almeida
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# 

    发现docker run -d启动守护式容器后,docker ps查看并没有正在运行的容器。

    但根据返回的容器id,确实是启动了一个容器,再根据docker ps -l 确定此容器在13秒之前已退出了。

    这里有一个docker很重要的机制:Docker容器后台运行的话,就必须有一个前台进程。
    容器运行的命令如果不是那些一直挂起的命令(比如运行top,tail),就是会自动退出的。

    docker logs(查看容器日志)

    选项说明

    docker logs -f -t --tail 容器ID
    * -t 是加入时间戳
    * -f 跟随最新的日志打印
    * --tail 数字 显示最后多少条

    先执行一个守护式容器:

    docker run -d centos /bin/sh -c "while true;do echo hello zzy;sleep 2;done"

    此时用docker ps查看,会发现有容器在up,因为容器中shell执行的是循环脚本。

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker run -d centos /bin/sh -c "while true;do echo hello zzy;sleep 2;done"
    e0711f532a9a33c672754f5efb261eead894f3c75249dae21ff7e98d303dfb32
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker ps
    CONTAINER ID   IMAGE     COMMAND                  CREATED         STATUS         PORTS     NAMES
    e0711f532a9a   centos    "/bin/sh -c 'while t…"   5 seconds ago   Up 4 seconds             competent_burnell

    用docker logs 查看这个容器的日志:

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker logs -t -f --tail 3 e0711f532a9a
    2021-01-05T09:03:00.923246482Z hello zzy
    2021-01-05T09:03:02.925240633Z hello zzy
    2021-01-05T09:03:04.927207553Z hello zzy
    2021-01-05T09:03:06.929193959Z hello zzy
    2021-01-05T09:03:08.931253460Z hello zzy
    2021-01-05T09:03:10.933214269Z hello zzy
    2021-01-05T09:03:12.935182144Z hello zzy

    docker top (查看容器内运行的进程)

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker ps
    CONTAINER ID   IMAGE     COMMAND                  CREATED          STATUS          PORTS     NAMES
    e0711f532a9a   centos    "/bin/sh -c 'while t…"   11 minutes ago   Up 11 minutes             competent_burnell
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker top e0711f532a9a
    UID                 PID                 PPID                C                   STIME               TTY                 TIME                CMD
    root                26729               26709               0                   17:01               ?                   00:00:00            /bin/sh -c while true;do echo hello zzy;sleep 2;done
    root                27232               26729               0                   17:13               ?                   00:00:00            /usr/bin/coreutils --coreutils-prog-shebang=sleep /usr/bin/sleep 2

    docker inspect (查看容器内部细节)

    docker容器是层层继承的关系,以json字符串的形式返回结果

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker inspect e0711f532a9a
    [
        {
            "Id": "e0711f532a9a33c672754f5efb261eead894f3c75249dae21ff7e98d303dfb32",
            "Created": "2021-01-05T09:01:30.54195429Z",
            "Path": "/bin/sh",
            "Args": [
                "-c",
                "while true;do echo hello zzy;sleep 2;done"
            ],
            "State": {
                "Status": "running",
                "Running": true,
                "Paused": false,
                "Restarting": false,
                "OOMKilled": false,
                "Dead": false,
                "Pid": 26729,
                "ExitCode": 0,
                "Error": "",
                "StartedAt": "2021-01-05T09:01:30.835940473Z",
                "FinishedAt": "0001-01-01T00:00:00Z"
    
    。。。。。。

    进入正在运行的容器并以命令行交互

    上面有讲到用docker run -it 启动交互式容器后,会进入容器,用ctrl + p + q退出但并不停止容器,这时如果想重新进入容器的话有两种方式:

    1.docker attach 容器ID
    2.docker exec -it 容器ID /bin/bash
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker ps
    CONTAINER ID   IMAGE     COMMAND       CREATED          STATUS         PORTS     NAMES
    d317ba66016d   centos    "/bin/bash"   10 seconds ago   Up 9 seconds             friendly_diffie
    #用attach重新进入
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker attach d317ba66016d
    #ctrl+p+q退出
    [root@d317ba66016d /]# read escape sequence
    #用exec重新进入
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker exec -it d317ba66016d /bin/bash
    [root@d317ba66016d /]# 

    两种方式的区别:

    attach 直接进入容器启动命令的终端,不会启动新的进程
    exec   是在容器中打开新的终端,并且可以启动新的进程

    exec功能比attach更强大,还可以不进入容器,直接执行命令然后返回结果:

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker exec -it d317ba66016d ls /tmp
    ks-script-esd4my7v  ks-script-eusq_sc5

    总结:attach必须进入容器后才能干活,exec在容器内和容器外都可以干活

    docker cp (从容器内拷贝文件到主机上)

    docker cp 容器ID:容器内路径 目的主机路径(注意有个冒号)

    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# pwd
    /root
    #查看容器/tmp目录
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker exec -it d317ba66016d ls -l /tmp
    total 8
    -rwx------ 1 root root 701 Dec  4 17:37 ks-script-esd4my7v
    -rwx------ 1 root root 671 Dec  4 17:37 ks-script-eusq_sc5
    #把容器/tmp目录下的ks-script-esd4my7v拷贝到宿主机/root下
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# docker cp d317ba66016d:/tmp/ks-script-esd4my7v /root
    [root@iZbp1dnapcnoxqoyi0jwqaZ ~]# ll
    total 4
    -rwx------ 1 root root 701 Dec  5 01:37 ks-script-esd4my7v

    小结

    docker命令大全:

    attach    Attach to a running container         # 当前 shell 下 attach 连接指定运行镜像
    
    build     Build an image from a Dockerfile        # 通过 Dockerfile 定制镜像
    
    commit    Create a new image from a container changes  # 提交当前容器为新的镜像
    
    cp        Copy files/folders from the containers filesystem to the host path  #从容器中拷贝指定文件或者目录到宿主机中
    
    create    Create a new container                        # 创建一个新的容器,同 run,但不启动容器
    
    diff      Inspect changes on a container's filesystem   # 查看 docker 容器变化
    
    events    Get real time events from the server          # 从 docker 服务获取容器实时事件
    
    exec      Run a command in an existing container        # 在已存在的容器上运行命令
    
    export    Stream the contents of a container as a tar archive   # 导出容器的内容流作为一个 tar 归档文件[对应 import ]
    
    history   Show the history of an image                  # 展示一个镜像形成历史
    
    images    List images                                   # 列出系统当前镜像
    
    import    Create a new filesystem image from the contents of a tarball # 从tar包中的内容创建一个新的文件系统映像[对应export]
    
    info      Display system-wide information               # 显示系统相关信息
    
    inspect   Return low-level information on a container   # 查看容器详细信息
    
    kill      Kill a running container                      # kill 指定 docker 容器
    
    load      Load an image from a tar archive              # 从一个 tar 包中加载一个镜像[对应 save]
    
    login     Register or Login to the docker registry server    # 注册或者登陆一个 docker 源服务器
    
    logout    Log out from a Docker registry server          # 从当前 Docker registry 退出
    
    logs      Fetch the logs of a container                 # 输出当前容器日志信息
    
    port      Lookup the public-facing port which is NAT-ed to PRIVATE_PORT    # 查看映射端口对应的容器内部源端口
    
    pause     Pause all processes within a container        # 暂停容器
    
    ps        List containers                               # 列出容器列表
    
    pull      Pull an image or a repository from the docker registry server   # 从docker镜像源服务器拉取指定镜像或者库镜像
    
    push      Push an image or a repository to the docker registry server    # 推送指定镜像或者库镜像至docker源服务器
    
    restart   Restart a running container                   # 重启运行的容器
    
    rm        Remove one or more containers                 # 移除一个或者多个容器
    
    rmi       Remove one or more images             # 移除一个或多个镜像[无容器使用该镜像才可删除,否则需删除相关容器才可继续或 -f 强制删除]
    
    run       Run a command in a new container              # 创建一个新的容器并运行一个命令
    
    save      Save an image to a tar archive                # 保存一个镜像为一个 tar 包[对应 load]
    
    search    Search for an image on the Docker Hub         # 在 docker hub 中搜索镜像
    
    start     Start a stopped containers                    # 启动容器
    
    stop      Stop a running containers                     # 停止容器
    
    tag       Tag an image into a repository                # 给源中镜像打标签
    
    top       Lookup the running processes of a container   # 查看容器中运行的进程信息
    
    unpause   Unpause a paused container                    # 取消暂停容器
    
    version   Show the docker version information           # 查看 docker 版本号
    
    wait      Block until a container stops, then print its exit code   # 截取容器停止时的退出状态值

    参考:https://www.cnblogs.com/venicid/p/11870332.html#auto-id-26

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  • 原文地址:https://www.cnblogs.com/xulan0922/p/14208048.html
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