Docker安装 by centos
1、删除旧版本
yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-selinux docker-engine-selinux docker-engine docker.io
2、安装相关依赖
yum install -y yum-utils device-mapper-persistent-data lvm2
3、安装docker CE版
#先设置阿里源
yum-config-manager --add-repo [https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo](https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo)
直接安装最新版本docker
yum install docker-ce
4、启动docker
systemctl start docker
5、验证是否启动成功
docker run hello-world
6、其他相关命令
#关闭docker
systemctl stop docker
重启docker
ystemctl restart docker