http[s]or file.Eg.Invalid release/removing mirrorlist with no valid mirrors:/var/cache/yum/addons/mirrorlist.txt 出现这个问题的原因CentOS5版本太老,官方不再维护了,所以yum默认配置文件中的url不能再使用。因此,需要把/etc/yum...
系统是redhat5.6 我卸载了yum 安装了centos的yum-3.2.22-39.el5.centos.noarch.rpm 执行[root@localhost software]#yum makecache There was a problem importing one of the Python modules required to run yum.The error leading to ...