安装docker

1.之前下过docker又想重装就执行以下命令

$ sudo yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine

2.使用yum命令安装docker

yum install docker

3.启动docker

systemctl start docker

4.测试运行 hello-world

docker run hello-world

 

5、配置阿里云镜像仓库

vim /etc/docker/daemon.json

vim /etc/docker/daemon.json

{
  "registry-mirrors": ["https://qsicl1hp.mirror.aliyuncs.com"]
}

systemctl daemon-reload

systemctl restart docker