I am working on linux environment. we have centOS servers which is running on CentOS 6.2. So far i didn't work on upgrade OS to higher version. That's why i asked this question. I know yum upgade will update the packages that installed on the server. Any way let me try um upgrade and update you. On Mon, Feb 16, 2015 at 8:55 PM, Carson Chittom <carson at wistly.net> wrote: > Jegadeesh Kumar <jegasmile at yahoo.com> > writes: > > > how to upgrade CentOS 6.6 from 6.2 > > I apologize if I'm doing you a disservice, but the fact that you're > asking this makes me think you're not familiar with CentOS (or perhaps > even Linux generally). Upgrading packages is fairly basic system > functionality. You may want to spend some time reading documentation > before you do anything else. > > A good deal of information is accessible on a CentOS system itself using > the "man" and "info" commands. Additional documentation is available at > http://wiki.centos.org/Documentation > > The answer to your specific question is found in the manual page for > yum ("man yum" at a command line prompt), but yum can do a lot of > things. Probably what you want is: > > # yum upgrade > > But depending on your needs and the packages installed on your machine, > you may need a different yum command. > > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >