修改CentOS預設yum源為國內yum映象源
修改CentOS預設yum源為mirrors.163.com
1、首先備份系統自帶yum源配置檔案/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源配置檔案所在的資料夾(這一步必須)
cd/etc/yum.repos.d/
3、下載163的yum源配置檔案到上面那個資料夾內
CentOS7
wgethttp://mirrors.163.com/.help/CentOS7-Base-163.repo
CentOS6
wgethttp://mirrors.163.com/.help/CentOS6-Base-163.repo
CentOS5
wgethttp://mirrors.163.com/.help/CentOS5-Base-163.repo
4、執行yum makecache生成快取
yummakecache
5、這時候再更新系統就會看到以下mirrors.163.com資訊
yum-yupdate
修改CentOS預設yum源為mirrors.aliyun.com
步驟跟上面的一樣只是下載源不一樣
CentOS7
wget-O/etc/yum.repos.d/CentOS-Base.repohttp://mirrors.aliyun.com/repo/Centos-7.repo
CentOS6
wget-O/etc/yum.repos.d/CentOS-Base.repohttp://mirrors.aliyun.com/repo/Centos-6.repo
CentOS5
wget-O/etc/yum.repos.d/CentOS-Base.repohttp://mirrors.aliyun.com/repo/Centos-5.repo