剛好今天安裝RHEL 5，順便紀錄一下如何讓RHEL 5 free update，安裝的平台及步驟如下：
1. System Platform
Red Hat Enterprise 5.4 i386
2. Step
- Install CentOS Key
rpm --import http://ftp.tcc.edu.tw/Linux/CentOS/5/os/i386/RPM-GPG-KEY-CentOS-5
- Get needed packages:
wget http://ftp.tcc.edu.tw/Linux/CentOS/5/os/i386/CentOS/centos-release-5-5.el5.centos.i386.rpm
wget http://ftp.tcc.edu.tw/Linux/CentOS/5/os/i386/CentOS/centos-release-notes-5.5-0.i386.rpm
wget http://ftp.tcc.edu.tw/Linux/CentOS/5/os/i386/CentOS/yum-3.2.22-26.el5.centos.noarch.rpm
wget http://ftp.tcc.edu.tw/Linux/CentOS/5/os/i386/CentOS/yum-updatesd-0.9-2.el5.noarch.rpm
- Install packages:
rpm -Uvh --force centos-release-5-5.el5.centos.i386.rpm centos-release-notes-5.5-0.i386.rpm yum-3.2.22-26.el5.centos.noarch.rpm yum-fastestmirror-1.1.16-14.el5.centos.1.noarch.rpm yum-updatesd-0.9-2.el5.noarch.rpm
- Upgrade your system:
yum upgrade
After reboot, than enjoy free updates from CentOS network
