在下載yum文件慢的情況下,可以更換DNS或更換yum源
1、備份系統(tǒng)舊配置文件
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
2、獲取對應(yīng)版本的CentOS-Base.repo 到/etc/yum.repos.d/目錄替換之前先備份舊配置
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
centos各版本的源配置列表centos5
wget -O /etc/yum.repos.d/CentOS-Base.repohttp://mirrors.cloud.tencent.com/repo/centos5_base.repo
centos6
wget -O /etc/yum.repos.d/CentOS-Base.repohttp://mirrors.cloud.tencent.com/repo/centos6_base.repo
centos7(騰訊yum源)
wget -O /etc/yum.repos.d/CentOS-Base.repohttp://mirrors.cloud.tencent.com/repo/centos7_base.repo(阿里云yum源)wget -O /etc/yum.repos.d/CentOS-Base.repohttp://mirrors.aliyun.com/repo/Centos-7.repo
更新緩存
yum clean allyum makecache