rocky linux自带的YUM源需要替换为mirrors.ustc.edu.cn,否则很慢
sed -e 's|^mirrorlist=|#mirrorlist=|g' \ -e 's|^#baseurl=http://dl.rockylinux.org/$contentdir|baseurl=https://mirrors.ustc.edu.cn/rocky|g' \ -i.bak \ /etc/yum.repos.d/Rocky-AppStream.repo \ /etc/yum.repos.d/Rocky-BaseOS.repo \ /etc/yum.repos.d/Rocky-Extras.repo \ /etc/yum.repos.d/Rocky-PowerTools.repo