REDHAT yum源修改成CENTOS

1，先将原来的YUM源备份

#mv /etc/yum.conf /etc/yum.conf.bak
#cp -a /etc/yum.repos.d /etc/yum.repos.d.bak
#vim /etc/yum.conf
[main]
　　cachedir=/var/cache/yum
　　debuglevel=2
　　logfile=/var/log/yum.log
　　pkgpolicy=newest
　　distroverpkg=redhat-release
　　tolerant=1
　　exactarch=1
　　obsoletes=1
　　# PUT YOUR REPOS HERE OR IN separate files named file.repo
　　# in /etc/yum.repos.d
#cd /etc/yum.repos.d
#rm -rf *
#vim CentOS-Base.repo
[base]
name=centos-5 - Base
baseurl=
# the other site:
# you can find more site in:
enabled=1
gpgcheck=1
gpgkey=RPM-GPG-KEY-CentOS-5
#released updates
[update]
name=CentOS-5 - Updates
baseurl=
gpgcheck=1
gpgkey=RPM-GPG-KEY-CentOS-5
#packages used/produced in the build but not released
[addons]
name=CentOS-5 - Addons
baseurl=
gpgcheck=1
gpgkey=RPM-GPG-KEY-CentOS-5
#additional packages that may be useful
[extras]
name=CentOS-5 - Extras
baseurl=
gpgcheck=1
gpgkey=
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-5 - Plus
baseurl=
gpgcheck=1
enabled=0
gpgkey=RPM-GPG-KEY-CentOS-5
#contrib - packages by Centos Users
[contrib]
name=CentOS-5 - Contrib
baseurl=
gpgcheck=1
enabled=0
gpgkey=RPM-GPG-KEY-CentOS-5
#packages in testing
[testing]
name=CentOS-5 - Testing
baseurl=
gpgcheck=1
enabled=0
gpgkey=RPM-GPG-KEY-CentOS-5

保存即可