Hola Arnau,
> what is the official OS supported by gLite?
It is SL4 and anything truly compatible.
CentOS4 and RHEL4 ought to be fully compatible, but
(subtle) discrepancies have been found in the past, AFAIK.
In practice lot of testing is done on SLC4 instead, which has led
a few times to hidden dependencies, typically discovered when a
patch goes to the PPS.
Finally, some node types require packages that are not in the
SL/Jpackage/DAG repos, but are provided by the SLC repos.
> Cause, after reading :
> https://twiki.cern.ch/twiki/bin/view/LCG/GenericInstallGuide310 :
>
>
> Installing the Operating System
>
> Scientific Linux 4 (CERN)
>
> The OS version of gLite Middleware version 3.1 is Scientific Linux 4 (SL4). For more information in SLC4, please check:
>
> http://www.scientificlinux.org
>
> The sources and the images (iso) to create CDs for SLC4 can be found in this site:
>
> ftp://ftp.scientificlinux.org/linux/scientific/4x
>
> Middleware testing has been mostly carried out on CERN Scientific Linux:
>
> http://linuxsoft.cern.ch/
>
> but it should be able to run on any binary compatible distribution.
>
> It's not clear for me. Two different repos are shown and you talk about
> two differnt OS: SL and SLC4, and next issue is:
>
> * Using SL4 compatible distributions other than CERN Scientific
> Linux ....
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