Docker中使用CentOS7镜像

systemctl start docker.service

1. [root@wxtest1607 ~]# docker pull centos:7.2.1511
2. [root@wxtest1607 lixr]# docker images
3. REPOSITORY TAG IMAGE ID CREATED SIZE
4. centos 7.2.1511 686672a1d0cc 7 weeks ago 194.6 MB

下载来源：https://hub.docker.com/

1. docker run -ti 6866 /bin/bash
2. #6866 是 IMAGE ID 前四位数字-能区分出是哪个image即可
3. root@b4ad1d1c87da /]#
4. #登录成功，接下来就可以为所欲为啦。

1. root@b4ad1d1c87da /]# uname -a
2. Linux b4ad1d1c87da 3.10.0-327.el7.x86_64 #1 SMP Thu Nov 19 22:10:57 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
3. [root@b4ad1d1c87da /]# cat /etc/redhat-release
4. CentOS Linux release 7.2.1511 (Core)

1. [root@wxtest1607 ~]# docker ps -a
2. CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
3. b4ad1d1c87da 6866 "/bin/bash" 12 seconds ago Up 9 seconds mad_swanson
4. drunk_hypatia
5. [root@wxtest1607 ~]# docker exec -ti b4ad /bin/bash
6. [root@b4ad1d1c87da /]#