1. 安装Docker
# 安装Dokcer
[root@test2 ~]# yum install -y docker
# 查看是否安装成功 通过yum安装完成列表并筛选docker安装信息如下所示
[root@test2 ~]# yum list installed | grep docker
docker.x86_64 2:1.13.1-96.gitb2f74b2.el7.centos @extras
docker-client.x86_64 2:1.13.1-96.gitb2f74b2.el7.centos @extras
docker-common.x86_64 2:1.13.1-96.gitb2f74b2.el7.centos @extras
注:-y表示不再询问,使用默认配置进行安装。
2. 启动Docker服务
# 启用Docker服务
[root@test2 ~]# systemctl start docker
# 查看Docker状态
[root@test2 ~]# systemctl status docker
● docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disabled)
Active: active (running) since 日 2019-06-30 13:28:20 CST; 9s ago
Docs: http://docs.docker.com
Main PID: 40684 (dockerd-current)
CGroup: /system.slice/docker.service
├─40684 /usr/bin/dockerd-current --add-run