1.刪除rhel6.4自帶的yum，
命令如下： rpm -qa | grep yum | xargs rpm -e --nodeps
wget
wget
wget
wget
4.安裝yum
rpm -ivh python-iniparse-0.3.1-2.1.el6.noarch.rpm
rpm -ivh yum-metadata-parser-1.1.2-16.el6.x86_64.rpm
rpm -ivh yum-3.2.29-69.el6.centos.noarch.rpm yum-plugin-fastestmirror-1.1.30-30.el6.noarch.rpm //這兩個有依賴性一起安裝
5.配置repo檔案(/etc/yum.repos.d目錄下)
新建centos-base.repo檔案，內容為：
[base]
name=centos-$releasever - base - 163.com
baseurl=
#mirrorlist=
gpgcheck=1
gpgkey=
#released updates
[updates]
name=centos-$releasever - updates - 163.com
baseurl=
#mirrorlist=
gpgcheck=1
gpgkey=
#additional packages that may be useful
[extras]
name=centos-$releasever - extras - 163.com
baseurl=
#mirrorlist=
gpgcheck=1
gpgkey=
#additional packages that extend functionality of existing packages
[centosplus]
name=centos-$releasever - plus - 163.com
baseurl=
#mirrorlist=
gpgcheck=1
enabled=0
gpgkey=
#contrib - packages by centos users
[contrib]
name=centos-$releasever - contrib - 163.com
baseurl=
#mirrorlist=
gpgcheck=1
enabled=0
gpgkey=
6. yum clean all 清除原有快取
7. yum makecache 獲取yum列表
完成全部操作
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