centos各版本更换阿里源的脚本

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本文介绍一个centos各版本更换阿里源的脚本，以作参考

#!/bin/bash

# Detect CentOS version

if [ -f /etc/os-release ]; then

    . /etc/os-release

    OS_NAME=$ID

    OS_VERSION_ID=$VERSION_ID

elif [ -f /etc/centos-release ]; then

    OS_NAME="centos"

    OS_VERSION_ID=$(rpm -q --qf "%{VERSION}" $(rpm -q --whatprovides redhat-release))

else

    echo "不支持的系统类型."

    exit 1

fi

# Function to backup and replace YUM repo files

replace_yum_repo() {

    local url=$1

    local dest_dir="/etc/yum.repos.d"

    # Backup existing repo files

    mkdir -p "${dest_dir}/backup"

    mv ${dest_dir}/*.repo ${dest_dir}/backup/

    # Download new repo file

    curl -o ${dest_dir}/CentOS-Base.repo ${url}

}

# Replace YUM repo based on CentOS version

case $OS_VERSION_ID in

    6)

        echo "Detected CentOS 6"

        replace_yum_repo "http://www.landui.com/repo/Centos-6.repo"

        ;;

    7)

        echo "Detected CentOS 7"

        replace_yum_repo "http://www.landui.com/repo/Centos-7.repo"

        ;;

    8)

        echo "Detected CentOS 8"

        replace_yum_repo "http://www.landui.com/repo/Centos-8.repo"

        ;;

    *)

        echo "不支持的系统版本: $OS_VERSION_ID"

        exit 1

        ;;

esac

# Clean YUM cache

yum clean all

yum makecache

echo "yum已成功更换为阿里源！"

# End of script

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