linux系统修改yum源

不同linux系统修改yum源

1、centos6更换yum源和epel源

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-6.repo
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-6.repo
yum clean all
yum makecache

2、centos7更换yum源和epel源

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
yum clean all
yum makecache

3、redhat更换yum源和epel源

#卸载redhat资源yum程序
rpm -qa | grep yum | xargs rpm -e --nodeps

#下载安装软件包
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-3.4.3-168.el7.centos.noarch.rpm 
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-rhn-plugin-2.0.1-10.el7.noarch.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.31-54.el7_8.noarch.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-metadata-parser-1.1.4-10.el7.x86_64.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/rpm-4.11.3-45.el7.x86_64.rpm 
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/rpm-libs-4.11.3-45.el7.x86_64.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/rpm-python-4.11.3-45.el7.x86_64.rpm  
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/rpm-build-libs-4.11.3-45.el7.x86_64.rpm
rpm -Uvh rpm-*.rpm

#替换.repo文件中的$releasever版本为7
sed -i "s/$releasever/7/g" /etc/yum.repos.d/CentOS-Base.repo
yum install epel-release

#检查yum源可用性
yum repolist && yum list all
#yum update提示"Error: initscripts conflicts with redhat-release-server"
yum check-update && yum update --skip-broken

注：如果发现部分安装包无法安装，尝试替换yum源,参考http://www.desenpast.com/server-os/linux-3261.html

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