[CentOS] New administrator and upgrading systems

Alan McKay wrote:
> OK, I've never done an upgrade before either, so I go to this URL :
> 
>> http://wiki.centos.org/Manuals/ReleaseNotes/CentOS5.4/#head-29511ff6659f6463d444feb92326ed2232fc8c08
> 
> And I execute these commands
> 
> yum clean all
> yum update glibc\*
> yum update yum\* rpm\* python\*
> yum clean all
> yum update
> shutdown -r now
> 
> And I come back up and :
> [amckay at alan ~]$ cat /etc/redhat-release
> CentOS release 5.3 (Final)
> 
> Of course, the URL does not say anything about those being the
> commands required to get to 5.4 from a previous release.
> 
> I've never done this before, obviously ...

it will work when your mirror has 5.4