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                ## Centos7更換阿里YUM源 由于centos7安裝后,YUM源服務器在國外下載比較慢,所以更換為國內YUM源 **1、清空原YUM源配置文件** ~~~ [root@localhost ~]#cd /etc/yum.repos.d [root@localhost yum.repos.d]# rm -rf * ~~~ **2、下載阿里yum源配置文件** ~~~ [root@localhost yum.repos.d]# wget http://mirrors.aliyun.com/repo/Centos-7.repo ~~~ **3、修正YUM配置文件** ~~~ [root@localhost yum.repos.d]# vim Centos-7.repo ~~~ **替換掉$releasever,在vim(或vi)的命令模式下輸入:?:% s/$releasever/7/g? 把整個文件下的$releasever替換為7。最后,在vim(或vi)? ?的命令模式下,輸入:wq 回車,保存退出。** **4、清除YUM的緩存,更新緩存** ~~~ [root@localhost yum.repos.d]# yum clean all [root@localhost yum.repos.d]# yum makecache ~~~ **5、測試** ~~~ [root@localhost yum.repos.d]# yum install -y httpd ~~~
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