CentOS: 备份/etc/yum.repos.d/CentOS-Base.repo
/etc/yum.repos.d/CentOS-Base.repo
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
ubuntu:
linux-offen-used-commands
原文:https://www.cnblogs.com/CoderMonkie/p/linux-commands-need-to-know.html