• 01Docker常用命令


    1. docker 常用命令
    #1.查看docker相关信息
    [root@hs-10-20-18-175 docker_fc]# docker info
    Containers: 12
     Running: 1
     Paused: 0
     Stopped: 11
    Images: 13
    Server Version: 1.12.6
    
    #2.查看当前机器所有镜像
    [root@hs-10-20-18-175 docker_fc]# docker images
    REPOSITORY                                            TAG                 IMAGE ID            CREATED                  SIZE
    192.168.44.132/uc20/uc-zgv20190204000                 uc20                5eba8fd7d56f        Less than a second ago   20.89 GB
    192.168.44.132/o4uft/pf1.0v201801.01.000_20200515fb   o4uft               309dd2cc4018        Less than a second ago   25.06 GB
    192.168.44.132/uc20/ucv20180104000                    uc20                b70848ddab55        7 months ago        21.58 GB
    
    #3.删除镜像文件
    [root@hs-10-20-18-175 docker_fc]# docker rmi b7
    Untagged: 192.168.44.132/uc20/ucv20180104000:uc20
    Untagged: 192.168.44.132/uc20/ucv20180104000@sha256:738c347b34e91fce1d21d6e9c88310e93423543b2fba6ddba39110c23528d938
    Deleted: sha256:b70848ddab5566f18c64c15c435802b13366020d43e640277d7acb84beebb02d
    Deleted: sha256:a29a209f71bab2550de85a847a698914f583cf37bbd8c6578be0fa48682690a3
    Deleted: sha256:86618bf944d184a7758f9552ac66c2c4f719b528a92216d2b213b5abab13c513
    
    #4.其他镜像操作命令
    4.1-# docker pull REPOSITORY:TAG 下载镜像文件
    4.2-# docker push REPOSITORY:TAG 上传镜像文件
    4.3-# docker tag IMAGEID REPOSITORY:TAG 重命名镜像文件
    4.4-# docker import pf20170331.tar 通过压缩包制作镜像
    
    #5.查看容器信息
    #5.1.查看运行中的容器
    [root@hs-10-20-18-175 docker_fc]# docker ps
    CONTAINER ID        IMAGE                                        COMMAND             CREATED             STATUS              PORTS                                                           NAMES
    fa6b43edfb6b        192.168.44.132/uc20/uc-zgv20190204000:uc20   "bash"              11 years ago        Up 11 years         0.0.0.0:1521->1521/tcp, 0.0.0.0:5123->5123/tcp, 0.0.0.0:5127->5127/tcp, 0.0.0.0:5224->5224/tcp, 0.0.0.0:9003->9003/tcp, 0.0.0.0:9009->9009/tcp, 0.0.0.0:9898->9898/tcp, 0.0.0.0:15827->15827/tcp, 0.0.0.0:15841->15841/tcp, 0.0.0.0:15844-15845->15844-15845/tcp, 0.0.0.0:15858-15859->15858-15859/tcp, 0.0.0.0:15861->15861/tcp, 0.0.0.0:15864->15864/tcp, 0.0.0.0:2024->22/tcp, 0.0.0.0:1524->1522/tcp   uc-zgv20190204000
    
    #5.2.查看所有容器,包括没有运行的
    [root@hs-10-20-18-175 docker_fc]# docker ps -a
    CONTAINER ID        IMAGE                                        COMMAND             CREATED             STATUS              PORTS                                                           NAMES
    c0ebd191999f        192.168.44.132/o4uft/pf1.0v201801.01.000_20200515fb:o4uft   "dumb-init bash"    11 years ago        Exited (137) 11 years ago                                             pf1.0v201801.01.000_20200515fb
    fa6b43edfb6b        192.168.44.132/uc20/uc-zgv20190204000:uc20                  "bash"              11 years ago        Up 11 years                  0.0.0.0:1521->1521/tcp, 0.0.0.0:5123->5123/tcp, 0.0.0.0:5127->5127/tcp, 0.0.0.0:5224->5224/tcp, 0.0.0.0:9003->9003/tcp, 0.0.0.0:9009->9009/tcp, 0.0.0.0:9898->9898/tcp, 0.0.0.0:15827->15827/tcp, 0.0.0.0:15841->15841/tcp, 0.0.0.0:15844-15845->15844-15845/tcp, 0.0.0.0:15858-15859->15858-15859/tcp, 0.0.0.0:15861->15861/tcp, 0.0.0.0:15864->15864/tcp, 0.0.0.0:2024->22/tcp, 0.0.0.0:1524->1522/tcp   uc-zgv20190204000
    cb822aa012a7        192.168.44.132/o4uft/pf1.0v201801.01.000_20191227fb:o4uft   "dumb-init bash"    11 years ago        Exited (137) 11 years ago                                        pf1.0v201801.01.000_20191227fb
    
    #5.3.查看运行中的容器(只显示容器id)
    [root@hs-10-20-18-175 docker_fc]# docker ps -q
    fa6b43edfb6b
    
    #5.4.查看所有容器,包括没有运行的(只显示容器id)
    [root@hs-10-20-18-175 docker_fc]# docker ps -aq
    fa6b43edfb6b
    cb822aa012a7
    
    #6.1.停止容器运行
    #查看运行中的容器id
    [root@hs-10-20-18-175 docker_fc]# docker ps -q
    fa6b43edfb6b
    #使用容器id停止运行中的容器
    [root@hs-10-20-18-175 docker_fc]# docker stop fa
    fa
    #6.2.启动容器
    #查看所有容器id
    [root@hs-10-20-18-175 docker_fc]# docker ps -aq
    fa6b43edfb6b
    cb822aa012a7
    #使用容器id启动运行中的容器
    [root@hs-10-20-18-175 docker_fc]# docker start fa
    fa
    ##查看运行中的容器id
    [root@hs-10-20-18-175 docker_fc]# docker ps -q
    fa6b43edfb6b
    
    #7.删除容器(删除容器前需要先停止容器)
    #查看所有容器id
    [root@hs-10-20-18-175 docker_fc]# docker ps -aq
    fa6b43edfb6b
    cb822aa012a7
    #根据容器id删除容器
    [root@hs-10-20-18-175 docker_fc]# docker rm fa
    fa
    [root@hs-10-20-18-175 docker_fc]# docker ps -aq
    cb822aa012a7
    #删除全部容器
    [root@hs-10-20-18-175 docker_fc]# docker rm $(docker ps -qa)
    
    #8.容器操作
    #8.1.进入容器内部
    [root@hs-10-20-18-175 docker_fc]# docker exec -it f74fe392e9132042a51fc4c51896e8051fc59a3585e2576580e147cb4ad11b54  /bin/bash
    [root@f74fe392e913 /]# ls
    bin  boot  dev  etc  home  lib  lib64  media  mnt  opt  proc  root  run  sbin  srv  sys  tmp  usr  var
    #8.2.退出容器内部
    [root@hs-10-20-18-175 docker_fc]# exit
    
    #9.1.修改容器名称(可以用于一个镜像搭建两套容器)
    [root@hs-10-20-18-175 docker_fc]# docker ps -a
    CONTAINER ID        IMAGE                                                       COMMAND             CREATED             STATUS                       PORTS                                                                                                                NAMES
    f74fe392e913        192.168.44.132/uc20/uc-zgv20190204000:uc20                  "bash"              27 hours ago        Exited (137) 6 minutes ago                                                                                                                       uc-zgv20190204000
    b9eb76fdd09b        192.168.44.132/o4uft/of20170630c_20200312fb:o4uft           "dumb-init bash"    3 weeks ago         Exited (137) 11 years ago                                                                                                                              of20170630c_20200312fb
    
    [root@hs-10-20-18-175 docker_fc]# docker rename uc-zgv20190204000 uc-zgv20190204000_old
    [root@hs-10-20-18-175 docker_fc]# docker ps -a
    CONTAINER ID        IMAGE                                                       COMMAND             CREATED             STATUS                       PORTS                                                                                                                NAMES
    f74fe392e913        192.168.44.132/uc20/uc-zgv20190204000:uc20                  "bash"              27 hours ago        Exited (137) 6 minutes ago                                                                                                                       uc-zgv20190204000_old
    b9eb76fdd09b        192.168.44.132/o4uft/of20170630c_20200312fb:o4uft           "dumb-init bash"    3 weeks ago         Exited (137) 11 years ago                                                                                                                              of20170630c_20200312fb
    
    
    2.docker 制作自定义文件
    #1.创建一个 Dockerfile 文件,并指定自定义镜像信息。
    # Dockerfile 文件中常用的内容
    from: 指定当前自定义镜像依赖的环境
    copy: 将相对路径下的内容复制到自定义镜像中
    workdir: 声明镜像的默认工作目录
    cmd: 需要执行的命令(在workdir下执行,cmd可以写多个,只以最后一个为准)
    # 举个栗子,自定义一个tomcat镜像,并且将ssm.war部署到tomcat中
    from daocloud.io/library/tomcat:8.5.15-jre8
    copy ssm.war /usr/local/tomcat/webapps
    
    #2.将准备好的 Dockerfile 和相应的文件拖拽到 Linux 操作系统中,通过 Docker 的命令制作镜像
    docker build -t 镜像名称:[tag] .
    
    3. Docker-Compose
    之前运行一个镜像,需要添加大量的参数。
    可以通过 Docker-Compose 编写这些参数。
    Docker-Compose 可以帮助我们批量地管理容器。
    只需要一个 docker-compose.yml 文件去维护即可。
    
    4.将容器制作成镜像
    #格式:docker  commit  -m  '镜像描述'  -a  '制作者'  容器名  镜像名
    #1.查询当前镜像
    [root@hs-10-20-18-175 docker_fc]# docker ps
    CONTAINER ID        IMAGE                                     COMMAND             CREATED             STATUS              PORTS                                                                                                                                                                                                                                                                                                                                                                                                      NAMES
    7dcefc7a1c85        192.168.44.132/uc20/ucv20190207000:uc20   "bash"              6 minutes ago       Up 6 minutes        0.0.0.0:1521->1521/tcp, 0.0.0.0:5123->5123/tcp, 0.0.0.0:5127->5127/tcp, 0.0.0.0:5224->5224/tcp, 0.0.0.0:9003->9003/tcp, 0.0.0.0:9009->9009/tcp, 0.0.0.0:9898->9898/tcp, 0.0.0.0:15827->15827/tcp, 0.0.0.0:15841->15841/tcp, 0.0.0.0:15844-15845->15844-15845/tcp, 0.0.0.0:15858-15859->15858-15859/tcp, 0.0.0.0:15861->15861/tcp, 0.0.0.0:15864->15864/tcp, 0.0.0.0:2024->22/tcp, 0.0.0.0:1524->1522/tcp   ucv20190207000
    [root@hs-10-20-18-175 docker_fc]# 
    
    
    #格式:docker  commit  -m  '镜像描述'  -a  '制作者'  容器名  镜像名
    #2.将容器制作成镜像
    [root@hs-10-20-18-175 docker_fc]# docker commit -m 'ucv20190207000_fc' -a 'fc' ucv20190207000 ucv20190207000_fc:uc20
    sha256:69872616774af10ef582bc1b3241d499ef21df0422094fb490fcd319de703c34
    #查看一下当前的镜像(新制作的镜像为ucv20190207000_fc)
    [root@hs-10-20-18-175 docker_fc]# docker images
    REPOSITORY                                        TAG                 IMAGE ID            CREATED             SIZE
    ucv20190207000_fc                                 latest              69872616774a        49 seconds ago      23.72 GB
    192.168.44.132/uc20/uc-zgv20190204000             uc20                5eba8fd7d56f        8 months ago        20.89 GB
    192.168.44.132/uc20/ucv20190207000                uc20                da5f5aed9eee        10 months ago       17.72 GB
    192.168.44.132/uc20/ucv20200103000_20201130auto   uc20                93ef245f40fd        4 years ago         26.12 GB
    
    #3.修改镜像名
    [root@hs-10-20-18-175 docker_fc]# docker images
    REPOSITORY                                        TAG                 IMAGE ID            CREATED             SIZE
    ucv20210100000-fc                                 uc20                2f04a95bd278        22 hours ago        38.13 GB
    [root@hs-10-20-18-175 docker_fc]# docker tag 2f04a95bd278 ucv20210100000-fc-1:uc201
    [root@hs-10-20-18-175 docker_fc]# docker images
    REPOSITORY                                        TAG                 IMAGE ID            CREATED             SIZE
    ucv20210100000-fc-1                               uc201               2f04a95bd278        22 hours ago        38.13 GB
    
    #4.将制作好的镜像打包成 tar 包
    [root@hs-10-20-18-175 docker_fc]# docker save -o ucv20190207000_fc.tar  ucv20190207000_fc 
    [root@hs-10-20-18-175 docker_fc]# ls
    dockerCreate_0.sh  dockerCreate.sh  dockerPullImage.sh  dockerStartOracle.sh  env.db  ucv20190207000_fc.tar
    
    #5.从 tar 包中加载镜像
    #查看当前镜像
    [root@hs-10-20-18-175 docker_fc]# docker images
    REPOSITORY                                        TAG                 IMAGE ID            CREATED             SIZE
    ucv20200100000-fc-bak                             uc20                f5bf1b4b0551        18 hours ago        30.71 GB
    192.168.44.132/uc20/uc-zgv20190204000             uc20                5eba8fd7d56f        8 months ago        20.89 GB
    192.168.44.132/uc20/ucv20190207000                uc20                da5f5aed9eee        10 months ago       17.72 GB
    192.168.44.132/uc20/ucv20200103000_20201130auto   uc20                93ef245f40fd        4 years ago         26.12 GB
    [root@hs-10-20-18-175 docker_fc]# ls
    dockerCreate_0.sh  dockerCreate_fc.sh  dockerCreate.sh  dockerPullImage.sh  dockerStartOracle.sh  ucv20200100000-fc.tar  ucv20210100000-fc.tar
    #加载镜像
    [root@hs-10-20-18-175 docker_fc]# docker load < ucv20200100000-fc.tar
    Loaded image: ucv20200100000-fc:uc20
    #查看镜像
    [root@hs-10-20-18-175 docker_fc]# docker images
    REPOSITORY                                        TAG                 IMAGE ID            CREATED             SIZE
    ucv20200100000-fc-bak                             uc20                f5bf1b4b0551        18 hours ago        30.71 GB
    ucv20200100000-fc                                 uc20                f5bf1b4b0551        18 hours ago        30.71 GB
    192.168.44.132/uc20/uc-zgv20190204000             uc20                5eba8fd7d56f        8 months ago        20.89 GB
    192.168.44.132/uc20/ucv20190207000                uc20                da5f5aed9eee        10 months ago       17.72 GB
    192.168.44.132/uc20/ucv20200103000_20201130auto   uc20                93ef245f40fd        4 years ago         26.12 GB
    
    
    
    参考资料:https://www.cnblogs.com/pjcd-32718195/p/11762079.html
    
    道虽迩,不行不至;事虽小,不为不成。
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  • 原文地址:https://www.cnblogs.com/rock-cc/p/14664240.html
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