当前系统版本为centos7
1、备份原来的yum源
1 | mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup |
2、下载阿里云的CentOS-Base.repo 到/etc/yum.repos.d/
1 | wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo |
或者1
curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
3、添加阿里云公共DNS
为了防止不能寻找yun源地址,生成cache,先添加阿里云的DNS1
vim /etc/resolv.conf
添加1
2nameserver 223.5.5.5
nameserver 223.6.6.6
4、清理缓存
1 | yum clean all |
5、生成新的缓存
1 | yum makecache |