[CentOS] how can i upgrade my Centos from 4 to 5.1
Robert Slade
centos at likley.co.uk
Mon Jan 7 09:08:12 UTC 2008
John R Pierce wrote:
> Tolun ARDAHANLI wrote:
>> Hi;
>>
>> How can I upgrade my Centos from 4 to 5.1?
>
> make full backups of all your system volumes (/, /var, and so forth if
> you have them as seperate volumes), shutdown and boot the CentOS 5.x
> CD, run an upgrade.
>
> this will probably work if your system is quite stock and you've not
> installed any non-centos4 stuff on it. if you've got a mess of
> stuff from non-RPM sources and/or nonstandard repositories, chances
> are you''ll either spend about 60 hours picking through the pieces
> trying to get it all sorted out, or you'll end up restoring your backups.
>
>
> Personally, I recommend clean installs. backup your user stuff,
> config files, etc, then wipe and rebuild the system scratch, referring
> to the previous configs and stuff for reference.
>
> YMMV.
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I tried to 'upgrade' but ran into a number of problems some of which I
still have not resolved - Messages and boot log not being written to for
a start.
I would strongly recommend backing up the data etc and doing a
reinstall - I have spent more time fixing problems than the time to
reconfig.
Rob
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