[Linux笔记]Centos8更换Yum国内源

sed -e 's|^mirrorlist=|#mirrorlist=|g' \
-e 's|^#baseurl=http://mirror.centos.org/$contentdir|baseurl=https://mirrors.aliyun.com/centos|g' \
-i.bak \
/etc/yum.repos.d/CentOS-Linux-AppStream.repo \
/etc/yum.repos.d/CentOS-Linux-BaseOS.repo \
/etc/yum.repos.d/CentOS-Linux-Extras.repo \
/etc/yum.repos.d/CentOS-Linux-PowerTools.repo \
/etc/yum.repos.d/CentOS-Linux-Plus.repo

yum makecache
yum install -y epel-release
yum update -y

sed -e 's|^metalink=|#metalink=|g' \
-e 's|^#baseurl=https\?://download.fedoraproject.org/pub/epel/|baseurl=https://mirrors.aliyun.com/epel/|g' \
-e 's|^#baseurl=https\?://download.example/pub/epel/|baseurl=https://mirrors.aliyun.com/epel/|g' \
-i.bak \
/etc/yum.repos.d/epel.repo