CentOS7安装配置Docker-CE

效果

操作时间 2020-11-10 23:32

检查系统，配置 Base,epel，docker源，安装基础软件

参考文档

# uname -a
Linux localhost.localdomain 3.10.0-1127.19.1.el7.x86_64 #1 SMP Tue Aug 25 17:23:54 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
# wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
# wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
# yum install -y yum-utils device-mapper-persistent-data lvm2
# yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
# yum makecache fast
# ll
total 12
drwxr-xr-x. 2 root root  237 Nov 11 05:59 backup
-rw-r--r--. 1 root root 2523 Jun 16  2018 CentOS-Base.repo
-rw-r--r--. 1 root root 2640 Mar 16  2020 docker-ce.repo
-rw-r--r--. 1 root root  664 May 11  2018 epel.repo

安装Docker软件

# yum -y install docker-ce

配置 Docker Registry Mirrors

参考文档

# vim /etc/docker/daemon.json
{
  "registry-mirrors": ["https://pee6w651.mirror.aliyuncs.com"]
}

上面的镜像地址应该是某位老哥分享的自己的阿里加速地址，在我安装环境的时候是可用的，但可能在今后失效。
附注一个中科大的地址，未验证：https://docker.mirrors.ustc.edu.cn

# systemctl daemon-reload
# systemctl restart docker
# docker search ubuntu
# docker pull ubuntu
# docker run -i -t ubuntu /bin/bash
[e-mail]:/# ls
bin  boot  dev  etc  home  lib  lib32  lib64  libx32  media  mnt  opt  proc  root  run  sbin  srv  sys  tmp  usr  var
[e-mail]:/#exit
# docker ps -a
CONTAINER ID        IMAGE               COMMAND             CREATED              STATUS                      PORTS               NAMES
c696167f864f        ubuntu              "/bin/bash"         About a minute ago   Exited (0) 10 seconds ago                       blissful_feistel
# ls /
bin  boot  dev  etc  home  lib  lib64  media  mnt  opt  proc  root  run  sbin  srv  sys  tmp  usr  var