58 lines
2.3 KiB
Bash
58 lines
2.3 KiB
Bash
#!/usr/bin/env bash
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# ---------------------------------------------------------------------------------
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# 控制台颜色
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BLACK="\033[1;30m"
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RED="\033[1;31m"
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GREEN="\033[1;32m"
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YELLOW="\033[1;33m"
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BLUE="\033[1;34m"
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PURPLE="\033[1;35m"
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CYAN="\033[1;36m"
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RESET="$(tput sgr0)"
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# ---------------------------------------------------------------------------------
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printf "${BLUE}\n"
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cat << EOF
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###################################################################################
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# 本脚本用于替换 yum repo，使用国内 yum 仓库，加速下载
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# 要求：仅适用于 Linux CentOS 发行版本，并且环境必须已支持 yum 、lsb_release 命令
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# @author: Zhang Peng
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###################################################################################
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EOF
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printf "${RESET}\n"
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printf "\n${GREEN}>>>>>>>>> 替换 yum repo 源开始${RESET}\n"
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# 备份
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cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak
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# 执行 lsb_release 命令，获取系统发行版本
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# version=`lsb_release -r | awk '{print substr($2,1,1)}'` # 很多机器没有 lsb_release 命令
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version=`cat /etc/redhat-release | awk '{print substr($4,1,1)}'`
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# 根据发型版本选择相应 yum 镜像
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if [[ ${version} == 5 ]]; then
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# Cento5 已废弃，只能使用 http://vault.CentOS.org/ 替换，但由于是国外镜像，速度较慢
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wget -N https://gitee.com/turnon/linux-tutorial/raw/master/codes/linux/sys/yum/Centos-5.repo -O /etc/yum.repos.d/CentOS-Base.repo
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# 根据实际发型版本情况替换
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detailVersion=`lsb_release -r | awk '{print substr($2,1,3)}'`
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sed -i 's/$releasever/'"${detailVersion}"'/g' /etc/yum.repos.d/CentOS-Base.repo
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# 不替换下面的开关，可能会出现错误：Could not open/read repomd.xml
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sed -i 's/enabled=1/enabled=0/g' /etc/yum.repos.d/CentOS-Media.repo
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elif [[ ${version} == 6 ]]; then
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wget -N https://gitee.com/turnon/linux-tutorial/raw/master/codes/linux/sys/yum/Centos-6.repo -O /etc/yum.repos.d/CentOS-Base.repo
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elif [[ ${version} == 7 ]]; then
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wget -N https://gitee.com/turnon/linux-tutorial/raw/master/codes/linux/sys/yum/Centos-7.repo -O /etc/yum.repos.d/CentOS-Base.repo
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else
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printf "\n${RED}版本不支持，替换 yum repo 失败${RESET}\n"
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fi
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# 更新缓存
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yum clean all
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yum makecache
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printf "\n${GREEN}<<<<<<<< 替换 yum repo 源结束${RESET}\n"
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