1. 删除centos服务器上的yum仓库

rm -rf /etc/yum.repos.d/*

2. 添加yum源

cat >a.repo<<END
[appstream]
name=Rocky Linux \$releasever - AppStream
mirrorlist=https://mirrors.rockylinux.org/mirrorlist?arch=\$basearch&repo=AppStream-\$releasever
#baseurl=http://dl.rockylinux.org/$contentdir/$releasever/AppStream/$basearch/os/
gpgcheck=0
enabled=1

[baseos]
name=Rocky Linux \$releasever - BaseOS
mirrorlist=https://mirrors.rockylinux.org/mirrorlist?arch=\$basearch&repo=BaseOS-\$releasever
#baseurl=http://dl.rockylinux.org/$contentdir/$releasever/BaseOS/$basearch/os/
gpgcheck=0
enabled=1

[extras]
name=Rocky Linux \$releasever - Extras
mirrorlist=https://mirrors.rockylinux.org/mirrorlist?arch=\$basearch&repo=extras-\$releasever
#baseurl=http://dl.rockylinux.org/$contentdir/$releasever/extras/$basearch/os/
gpgcheck=0
enabled=1

[epel]
name=Extra Packages for Enterprise Linux 8 - \$basearch
# It is much more secure to use the metalink, but if you wish to use a local mirror
# place its address here.
#baseurl=https://download.example/pub/epel/8/Everything/$basearch
metalink=https://mirrors.fedoraproject.org/metalink?repo=epel-8&arch=\$basearch&infra=\$infra&content=\$contentdir
enabled=1
gpgcheck=0

[kubernetes]
name=Kubernetes
baseurl=https://pkgs.k8s.io/core:/stable:/v1.31/rpm/
enabled=1
gpgcheck=0
END

3. 修改环境变量文件

cat >/etc/os-release<<END 
NAME="Rocky Linux"
VERSION="8.10 (Green Obsidian)"
ID="rocky"
ID_LIKE="rhel centos fedora"
VERSION_ID="8.10"
PLATFORM_ID="platform:el8"
PRETTY_NAME="Rocky Linux 8.10 (Green Obsidian)"
ANSI_COLOR="0;32"
LOGO="fedora-logo-icon"
CPE_NAME="cpe:/o:rocky:rocky:8:GA"
HOME_URL="https://rockylinux.org/"
BUG_REPORT_URL="https://bugs.rockylinux.org/"
SUPPORT_END="2029-05-31"
ROCKY_SUPPORT_PRODUCT="Rocky-Linux-8"
ROCKY_SUPPORT_PRODUCT_VERSION="8.10"
REDHAT_SUPPORT_PRODUCT="Rocky Linux"
REDHAT_SUPPORT_PRODUCT_VERSION="8.10"
END

4. 使用测试yum

yum clean all
yum makecache