安装 Docker
[root@localhost~]# yum install docker
启动 docker 服务
[root@localhost~]# systemctl start docker.service
[root@localhost~]# systemctl enable docker.service
安装 centos 镜像
[root@localhost~]# docker pull centos
Using default tag: latest
Trying to pull repository docker.io/library/centos ...
latest: Pulling from docker.io/library/centos
6bbedd9b76a4: Downloading 2.531 MB/49.87 MB
fc19d60a83f1: Download complete
de413bb911fd: Download complete
2879a7ad3144: Download complete
668604fde02e: Download complete
668604fde02e: Pulling fs layer*
检查 centos 镜像安装状态
[root@localhost~]# docker images centos
REPOSITORY TAG IMAGE ID CREATED SIZE
docker.io/centos latest 980e0e4c79ec 7 weeks ago 196.7 MB
运行一个新的容器
[root@localhost~]# docker run -i -t centos /bin/bash
[root@bd1a482d44f5 /]#
参数解释
-i, --interactive Keep STDIN open even if not attached
-t, --tty Allocate a pseudo-TTY
PS：“[root@bd1a482d44f5 /]#” 这行出现证明已进入容器
退出容器
[root@localhost~]# exit
exit
友情连接
Ubuntu上docker安装~~小鱼鱼
