YDL 4 upgrade question

[Geert Janssens]

Upgrading is always tricky. During a major version upgrade, the core 
libraries get updated. This can result in all sort of weird problems if 
not all other libraries (and internal databases, like rpm's one) are 
updated in the same run.

So really, it depends. Some people have managed, others simply screwed 
their complete setup.

Your data is normally preserved in a CD upgrade, provided you followed 
the partitioning advice, and have a separate home partition. For your 
settings, it is safer to make a backup of those (the /etc directory, and 
maybe a couple of directories in /var, like www for apache, of named for 
bind/dns).

Cheers,
Geert Jan


Raman Venkataramani wrote:
> Hello,
> 
> I have YDL 3.0.1 installed and I was wondering if I could upgrade my 
> system by updating the sources.list file and running yum (assuming that 
> they have put YDL 4 on the download mirrors). Or do I need to get the CDs? 
> If upgrading from CDs, does it preserve the previous data and settings?
> 
> Thanks,
> Raman
> 
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