centos7上安装docker

​ centos7上安装docker

1、安装docker

​ yum -y install docker

2、查看docker版本

​ docker version

3、启动docker

​ systemctl start docker

​ systemctl enable docker

4、配置阿里云docker加速镜像
cat daemon.json
{
"registry-mirrors": [
"https://kfwkfulq.mirror.aliyuncs.com",
"https://2lqq34jg.mirror.aliyuncs.com",
"https://pee6w651.mirror.aliyuncs.com",
"https://registry.docker-cn.com",
"http://hub-mirror.c.163.com"
],
"dns": ["8.8.8.8","8.8.4.4"]
}
$ sudo systemctl restart docker