标签：localhost span col bsp ado cache yum命令 cal centos7
1.yum 清理缓存
1 [hado@localhost /]# yum clean all 2 [hado@localhost /]# rm -rf /var/cache/yum/*
CentOS7 yum命令
原文地址：https://www.cnblogs.com/joy9707/p/9360691.html
