2018-02-23 13:30:59 +08:00
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#!/usr/bin/env bash
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###################################################################################
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2018-09-30 10:04:45 +08:00
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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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2018-02-23 13:30:59 +08:00
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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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echo -e "\n>>>>>>>>> 替换 yum repo 源"
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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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2018-03-15 17:43:59 +08:00
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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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2018-02-23 13:30:59 +08:00
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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 --no-cookie --no-check-certificate -O /etc/yum.repos.d/CentOS-Base.repo https://raw.githubusercontent.com/dunwu/linux/master/codes/deploy/sys/yum/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/'"${detailVersion}"'/g' /etc/yum.repos.d/CentOS-Base.repo
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# 不替换下面的开关，可能会出现错误：Could not open/read repomd.xml
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sed -i 's/enabled=1/enabled=0/g' /etc/yum.repos.d/CentOS-Media.repo
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else
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# 国内 aliyun 镜像
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wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-${version}.repo
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# 国内 163 镜像（备选）
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#wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.163.com/.help/CentOS${version}-Base-163.repo
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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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echo -e "\n>>>>>>>>> 替换 yum repo 源成功"
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