Centos7安装Docker

安装Docker



1. [root@localhost ~]# yum install docker -y



查看docker版本


1. [root@localhost ~]# docker version


设置为开机启动



1. [root@localhost ~]# systemctl  start docker.service
2. [root@localhost ~]# systemctl  enable docker.service
3. [root@localhost ~]# service docker restart
4. [root@localhost ~]# ps -ef|grep docker
5. [root@localhost ~]# service docker stop
6. [root@localhost ~]# ifconfig
7. [root@localhost ~]# service docker start
8. [root@localhost ~]# ifconfig
9. 
10. 
11. [root@localhost ~]# docker images
12. [root@localhost ~]# docker ps -a




下载官方的 CentOS 镜像到本地


1. [root@localhost ~]# docker pull centos
2. [root@localhost ~]# docker images
3. REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
4. docker.io/centos    latest              3bee3060bfc8        3 weeks ago         192.5 MB



运行一个 Docker 容器


1. [root@localhost ~]# docker run -i -t docker.io/centos /bin/bash
2. [root@3aee75b07ec2 /]# cat /etc/redhat-release
3. CentOS Linux release 7.3.1611 (Core)
4. [root@3aee75b07ec2 /]#
5. [root@3aee75b07ec2 /]# exit
6. 
7. 
8. 
9. 
10. [root@localhost ~]# docker ps -a
11. CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS                     PORTS               NAMES
12. 3aee75b07ec2        docker.io/centos    "/bin/bash"         3 minutes ago       Exited (0) 4 seconds ago                       pensive_jones
13. [root@localhost ~]#