备份原配置文件
进入yum源配置目录:
cd /etc/yum.repos.d
如果没有先安装wget:
sudo yum install wget
修改yum源,就是修改CentOS-Base.repo的内容,所以我们要先备份一下原来的:
sudo mv CentOS-Base.repo CentOS-Base.repo.backup
下载新配置文件
然后用wget下载国内的yum源(即CentOS-Base.repo文件),新的在哪呢?目前国内主要有三个yum源:
个人比较推荐中科大,不管是centos还是Ubuntu
阿里云
CentOS7- sudo wget -O CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
复制代码CentOS6- sudo wget -O CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
复制代码CentOS5- sudo wget -O CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo
复制代码网易
CentOS7- sudo wget -O CentOS-Base.repo http://mirrors.163.com/.help/CentOS7-Base-163.repo
复制代码CentOS6- sudo wget -O CentOS-Base.repo http://mirrors.163.com/.help/CentOS6-Base-163.repo
复制代码CentOS5- sudo wget -O CentOS-Base.repo http://mirrors.163.com/.help/CentOS5-Base-163.repo
复制代码中科大
CentOS7- sudo wget -O CentOS-Base.repo https://lug.ustc.edu.cn/wiki/_export/code/mirrors/help/centos?codeblock=3
复制代码CentOS6- sudo wget -O CentOS-Base.repo https://lug.ustc.edu.cn/wiki/_export/code/mirrors/help/centos?codeblock=2
复制代码CentOS5- sudo wget -O CentOS-Base.repo https://lug.ustc.edu.cn/wiki/_export/code/mirrors/help/centos?codeblock=1
复制代码更新元数据
先清除原来的元数据缓存 更新新的元数据缓存
转载于:https://www.cnblogs.com/happy4java/p/11206835.html |