laocao

切换Aliyun的镜像1、 备份原始镜像源
cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
2、配置阿里云镜像源


sudo tee /etc/yum.repos.d/CentOS-Base.repo <<-'EOF' [base] name=CentOS-$releasever - Base baseurl=http://mirrors.aliyun.com/centos/$releasever/os/$basearch/ gpgcheck=1 gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7 [updates] name=CentOS-$releasever - Updates baseurl=http://mirrors.aliyun.com/centos/$releasever/updates/$basearch/ gpgcheck=1 gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7 [extras] name=CentOS-$releasever - Extras baseurl=http://mirrors.aliyun.com/centos/$releasever/extras/$basearch/ gpgcheck=1 gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7 EOF





3、更新yumsql
yum clean all
yum makecache
yum update