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  • 实战dock安装和镜像的拉取

    一.系统环境

    [root@weblamp ~]# cat /etc/redhat-release
    CentOS release 6.8 (Final)
    [root@weblamp ~]#

    二.yum安装

    [root@weblamp ]# yum install -y epel-release
    [root@weblamp ]# yum install -y docker-io
    [root@weblamp ]# ll /etc/sysconfig/docker
    -rw-r--r-- 1 root root 530 Aug 15 2015 /etc/sysconfig/docker

    [root@weblamp ]# service docker start
    Starting cgconfig service: [ OK ]
    Starting docker: [ OK ]
    [root@weblamp ]# docker version
    Client version: 1.7.1
    Client API version: 1.19
    Go version (client): go1.4.2
    Git commit (client): 786b29d/1.7.1
    OS/Arch (client): linux/amd64
    Server version: 1.7.1
    Server API version: 1.19
    Go version (server): go1.4.2
    Git commit (server): 786b29d/1.7.1
    OS/Arch (server): linux/amd64
    [root@weblamp ]#


    三.配置加速器地址:

    使用自己的阿里云账号,登录阿里云dock 容器,获取自己的dock镜像地址。
    [root@weblamp ~]# vim /etc/sysconfig/docker
    other_args="--registry-mirror=https://amcoo07e.mirror.aliyuncs.com"

    root@weblamp ~]# vim /etc/sysconfig/docker
    [root@weblamp ~]# service docker restart
    Stopping docker: [ OK ]
    Starting docker: [ OK ]

    检查配置是否成功
    [root@weblamp ~]# ps -ef |grep docker
    root 1363 1 0 09:59 pts/0 00:00:00 /usr/bin/docker -d --registry-
    mirror=https://amcoo07e.mirror.aliyuncs.com
    root 1410 1262 0 09:59 pts/0 00:00:00 grep docker

    四.运行 hello-world

    [root@weblamp ~]# docker run hello-world
    Unable to find image 'hello-world:latest' locally
    latest: Pulling from hello-world
    65b27d3bd74d: Pull complete
    9f5834b25059: Pull complete
    Digest: sha256:fb158b7ad66f4d58aa66c4455858230cd2eab4cdf29b13e5c3628a6bfc2e9f05
    Status: Downloaded newer image for hello-world:latest

    Hello from Docker!
    This message shows that your installation appears to be working correctly.

    To generate this message, Docker took the following steps:
    1. The Docker client contacted the Docker daemon.
    2. The Docker daemon pulled the "hello-world" image from the Docker Hub.
    (amd64)
    3. The Docker daemon created a new container from that image which runs the
    executable that produces the output you are currently reading.
    4. The Docker daemon streamed that output to the Docker client, which sent it
    to your terminal.

    To try something more ambitious, you can run an Ubuntu container with:
    $ docker run -it ubuntu bash

    Share images, automate workflows, and more with a free Docker ID:
    https://hub.docker.com/

    For more examples and ideas, visit:
    https://docs.docker.com/get-started/

    ..........

    #列出本地镜像
    [root@weblamp ~]# docker images 
    REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
    hello-world latest 9f5834b25059 4 days ago 1.84 kB

     #列出所有的镜像含中间镜像层 -a:all
    [root@weblamp ~]# docker images -a
    REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
    hello-world latest 9f5834b25059 4 days ago 1.84 kB
    <none> <none> 65b27d3bd74d 4 days ago 1.84 kB

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  • 原文地址:https://www.cnblogs.com/ahtornado/p/10299831.html
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