https://blog.csdn.net/weixin_43811294/article/details/141306029
centos7 镜像失效问题解决
vmware安装linux-centos7 配置docker镜像源
vi /etc/docker/daemon.json 按键盘上的 i 键，之后把下面的代码贴进去
{ "registry-mirrors" : [ "https://docker.m.daocloud.io", "https://noohub.ru", "https://huecker.io", "https://dockerhub.timeweb.cloud", "https://docker.rainbond.cc" ] }
esc键，退出编辑模式。 :wq 保存。
重启docker systemctl restart docker
'%3e%3cpath%20d='M%2021.171,29%20V%2014.75%20h%204.858%20L%2027,10%20H%2010%20l%200.971,4.75%20h%205.343%20V%2029%20Z'/%3e%3c/g%3e%3c/svg%3e)
标签：https,centos,解决方案,centos7,yum,io,docker
From： https://www.cnblogs.com/ljl5921/p/18606807