[1] 首先备份CentOS-Base.repo
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
[2] 进入yum源配置文件目录
cd /etc/yum.repos.d/
[3] 下载阿里云的yum源配置文件
- 放入/etc/yum.repos.d/(操作前请做好相应备份)
163:
wget http://mirrors.163.com/.help/CentOS6-Base-163.repo
centos5:
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo
centos6:
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
centos7:
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
[4]清理
yum clean all
[5]更新缓存
yum makecache
yum install tree -y
yum update -y
yum -y update