CentOS更改yum源與更新系統

先看一下有沒有安裝wget rpm -qa | grep wget [1] 首先備份/etc/yum.repos.d/CentOS-Base.repo mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup [2] 進入yum源配置文件所在文件夾 cd /etc/yum.repos.d/ [3] 下

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