Peng Yu wrote: > Hi, > > I have the following operating systems. I am wondering where I can > download rpm packages for it? > > $ cat /etc/redhat-release > CentOS release 5 (Final) > first thing you should do is `yum upgrade` as 5.3 is out now,a nd 5.4 is out soon, these consist of upgrades to nearly every ssytem component for security and bug fixes. secondly, rather than 'downloading rpm packages', you should instead 'configure yum repositories' so yum can manage the dependencies of any packages you wish to install. see http://wiki.centos.org/AdditionalResources/Repositories for some popular ones.