https://blog.csdn.net/qq_36148847/article/details/79273591
docker换源阿里云
sudo gedit /etc/docker/daemon.json
{
"registry-mirrors": ["https://"]
}
systemctl restart docker.service
查看发行版
root@339e932ae4a9:/# cat /etc/issue
Debian GNU/Linux 9 \n \l
source.list 换源
在这里插入代码片