HECS弹性云服务器
1,RHEL8安装epel扩展软件仓库
https://blog.csdn.net/omaidb/article/details/120091443
2,CentOS 8 使用阿里源报404错误
https://developer.aliyun.com/article/871767
3,如何安装epel的源
https://blog.csdn.net/Lcongming/article/details/115983236
4, Status code: 404 for https://mirrors.aliyun.com/docker-ce/linux/centos/1.0/x86_64/stable/repodata/re.....问题处理
进入,将url路径修改为可以访问的路径即可
vim /etc/yum.repos.d/docker-ce.repo