linux-tutorial/codes/deploy/sys/yum/change-yum-repo.sh

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2018-02-23 13:30:59 +08:00
#!/usr/bin/env bash
###################################################################################
# 本脚本用于替换 yum repo
# 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
# Author: Zhang Peng
###################################################################################
echo -e "\n>>>>>>>>> 替换 yum repo 源"
# 备份
cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak
# 执行 lsb_release 命令,获取系统发行版本
version=`lsb_release -r | awk '{print substr($2,1,1)}'`
# 根据发型版本选择相应 yum 镜像
if [ ${version} == 5 ]; then
# 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
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
# 根据实际发型版本情况替换
detailVersion=`lsb_release -r | awk '{print substr($2,1,3)}'`
sed -i 's/$releasever/'"${detailVersion}"'/g' /etc/yum.repos.d/CentOS-Base.repo
# 不替换下面的开关可能会出现错误Could not open/read repomd.xml
sed -i 's/enabled=1/enabled=0/g' /etc/yum.repos.d/CentOS-Media.repo
else
# 国内 aliyun 镜像
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-${version}.repo
# 国内 163 镜像(备选)
#wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.163.com/.help/CentOS${version}-Base-163.repo
fi
# 更新缓存
yum clean all
yum makecache
echo -e "\n>>>>>>>>> 替换 yum repo 源成功"