Using CentOS7 mirrors in Docker _centos

Since the operating system will be upgraded from CentOS6.4 to CentOS7, first try the CentOS7. Start Container Service

Systemctl Start  Docker.service

Download CentOS7 Mirrors

[root@wxtest1607 ~]# Docker Pull centos:7.2.1511 [root@wxtest1607 lixr]# Docker Images-REPOSITORY                TAG                 IMAGE ID            CREATED             SIZE
centos                    7.2.1511            686672a1d0cc        7 weeks ago         194.6 MB

Download Source: https://hub.docker.com/Login Docker CentOS7

Docker Run-ti 6866/bin/bash
#6866 is the first four digits of the image ID-to distinguish which image can be
root@b4ad1d1c87da/]# 
#登录成功, Then you can do whatever you want.

Check the CENTOS7 system

Root@b4ad1d1c87da  /]# uname-a
Linux b4ad1d1c87da 3.10.0-327.el7.x86_64 #1 SMP Thu Nov 22:10:57 UTC 2015 x86_ x86_64 x86_64 gnu/linux
[root@b4ad1d1c87da/]# cat/etc/redhat-release CentOS 
Linux release 7.2.1511 (Core)

Exit and then enter CENTOS7

[root@wxtest1607 ~]# Docker ps-a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
b4ad1d1c87da        6866                "/bin/bash"         seconds ago up      9
               seconds Mad_swanson drunk_ Hypatia
[root@wxtest1607 ~]# Docker exec-ti b4ad/bin/bash
[Root@b4ad1d1c87da/]#