|   |   |
|---|---|
|切换阿里云|sudo curl -o /etc/yum.repos.d/docker-ce.repo [https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo](https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo)|
|切换清华大学|sudo curl -o /etc/yum.repos.d/docker-ce.repo [https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/centos/docker-ce.repo](https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/centos/docker-ce.repo)|
||sudo yum clean all|
||sudo yum update|
||sudo yum install -y docker-ce|
||sudo systemctl start docker|
||sudo systemctl enable docker|