centos 7的yum安装及rhel 7的yum源替换为centos 7的yum源

[[email protected] ~]# rpm -aq|grep yum|xargs rpm -e --nodeps  //查找、删除rhel 7自身的yum安装包

[[email protected] ~]# rpm -ivh --nodeps langtable-0.0.31-3.el7.noarch.rpm yum-3.4.3-132.el7.centos.0.1.noarch.rpm yum-langpacks-0.4.2-4.el7.noarch.rpm yum-metadata-parser-1.1.4-10.el7.x86_64.rpm yum-plugin-aliases-1.1.31-34.el7.noarch.rpm yum-plugin-changelog-1.1.31-34.el7.noarch.rpm yum-plugin-fastestmirror-1.1.31-34.el7.noarch.rpm yum-plugin-tmprepo-1.1.31-34.el7.noarch.rpm yum-plugin-verify-1.1.31-34.el7.noarch.rpm yum-plugin-versionlock-1.1.31-34.el7.noarch.rpm yum-utils-1.1.31-34.el7.noarch.rpm  //安装centos 7的yum包

[[email protected] ~]# cd /etc/yum.repos.d/

[[email protected] yum.repos.d ~]# mv redhat.repo redhat.repo.bak

[[email protected] yum.repos.d ~]# wget http://mirrors.163.com/.help/CentOS7-Base-163.repo

[[email protected] yum.repos.d ~]# vi CentOS7-Base-163.repo

:%s/$releasever/7/g

[[email protected] yum.repos.d ~]# yum clean all

[[email protected] yum.repos.d ~]# yum makecache

[[email protected] yum.repos.d ~]# yum groupinstall Base System

[[email protected] yum.repos.d ~]# yum groupinstall Development

[[email protected] yum.repos.d ~]# yum update