> Timmy wrote:
>> HI,
>> Can it be installed on top of the SL 5.1??
>
> That depends on what you mean by "on top of" SL 5.1
>
> If you mean do an install (not and upgrade) on a SL 5.1 system without 
> reformatting the drive?
> Yes and No
> Yes - it will actually do that
> No - you won't have a working system, or at least not working well.
>
> The easiest ways to update from SL 5.1 to SL 5.2 is by yum.  The 
> instructions are here
>
> https://www.scientificlinux.org/documentation/howto/upgrade.5x
>
> Troy
I used to upgrade like this:
Boot from the new release DVD ISO;
Choose upgrade when the installation interface shown!

Is this safe?  This is very fast!  ;)