yum安装配置

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检查是否有安装配置yum所需的依赖包：
[root@localhost /]# rpm -qa|grep deltarpm*

所需的三个依赖包：
deltarpm-3.5-0.5.20090913git.el6.x86_64.rpm
python-deltarpm-3.5-0.5.20090913git.el6.x86_64.rpm
createrepo-0.9.8-4.el6.noarch.rpm

如果没有，安装依赖包：
[root@localhost /]# rpm -ihv deltarpm-3.5-0.5.20090913git.el6.x86_64.rpm
[root@localhost /]# rpm -ihv python-deltarpm-3.5-0.5.20090913git.el6.x86_64.rpm
[root@localhost /]# rpm -ihv createrepo-0.9.8-4.el6.noarch.rpm

然后安装yum
[root@localhost /]# rpm -ihv yum-3.2.29-22.el6.centos.noarch.rpm

接下来配置文件
[root@localhost /]# cd /etc/yum.repos.d
[root@localhost /]# mv CentOS-Base.repo CentOS-Base.repo_bak
[root@localhost /]# mv CentOS-Debuginfo.repo CentOS-Debuginfo.repo_bak
[root@localhost /]# vi CentOS-Media.repo

[c6-media]
name=CentOS-$releasever - Media
#baseurl=file:///media/CentOS/
#        file:///media/cdrom/
#        file:///media/cdrecorder/
baseurl=file:///home/CentOS/
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6

:wq!(保存退出)

安装配置完成