Re: Debian and Scientific Linux

2011-03-07 Thread Brett Viren
Stephen Liu sati...@yahoo.com writes:

 I ran Debian, RH, Fedora, CenOS, Ubuntu, FreeBSD, etc. before and am
 still running some of them.  What is the major difference of SL from
 other Linux distro?  Thanks

In your list, SL is closest to CentOS.  SL is a rebuild from RHEL
sources with RH branding taken out.  Nothing more nor less.  As an
example, in recent discussion it came up that SL will be left unaffected
by RH's recent decision to obfusticate Linux source code as they do no
kernel patching.

There is also SLF (FNAL) and SLC (CERN) where each lab adds some
packages on top of the base SL for internal consumption.  From what I
have seen these add-ons are largely configuration and Kerberos related.

-Brett.


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Debian and Scientific Linux (was: Removal requests submitted for CERNLIB packages)

2011-03-05 Thread Juergen Salk
* Steffen Möller steffen_moel...@gmx.de [110305 12:31]:

 My hunch is that eventually we will see the efforts behind Scientific
 Linux merge with some major Linux distribution. And the reason most likely
 will be to prove to their funding parties of their impetus to give back to the
 world as much they can - independent from their hunt after some quark.
 This may be Fedora or Debian, but they will come, I am sure. That they
 have Scientific Linux and are Open Source already is per se already quite
 remarkable.

Hi,

it is important to understand that Scientific Linux is not just a
Linux distribution build from scratch by Fermilab, CERN and other
scientific labs.  It is a RHEL clone, that is rebuild from the
RHEL source rpms that are provided by Red Hat for free. The main
goal of Scientific Linux is *not* to be as scientific as possible,
e.g. in terms of the number of scientific software packages
included in the distribution. (As a matter of fact, Debian comes
with much, much more scientific software packages than SL does).  
The main goal of Scientific Linux is to be as close to RHEL as
possible in terms of binary compatibility, i.e. identical
kernels, identical library versions, everything build with
identical compiler flags etc. 

The rationale behind this is that the majority of commercial
software packages for science and engineering are tested and
certified on enterprise Linux distributions only (in some
cases: on RHEL only). So it is more likely that these packages
will also run hassle-free on SL as compared to other
distributions that are untested and uncertified by the vendors.
This is indeed a valid point as most vendors reject any claims
for support if their software runs (actually: doesn't run or
doesn't run correctly) within an uncertified enviroment. If this
happens to the users, they are usually at a complete loss, even
if they've paid tens of thousands of Euros to the vendor for a
maintenance contract. Scientific Linux aims to minimize these
kind of risks for its users.

 What may be helping to speed up that process could be
  * identify a series of industries that should have some interest in the
technologies maintained through CERN (car industry for crash tests
maybe?, geologists?, astronomers? ..) and a blog about it
  * more personal contacts between our distro and CERN-affiliated scientists
via conferences maybe?
  * some larger research group that decides to use Debian rather than
scientific linux
  * maybe that group could also get some industry/research money to
describe the CERNLIB and friends for regular industries
  * ...?

I think it's not so much an issue of the awareness/acceptance of
Debian among researchers. It's more an issue of the commercial 
vendor's perception of Debian as a suitable platform for their 
proprietary software.

Best regards,

Juergen

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Re: Debian and Scientific Linux (was: Removal requests submitted for CERNLIB packages)

2011-03-05 Thread Juergen Salk
* Juergen Salk juergen.s...@gmx.de [110305 15:46]:

  That they have Scientific Linux and are Open Source already
  is per se already quite remarkable.

 [...] The main goal of Scientific Linux is *not* to be as
 scientific as possible, e.g. in terms of the number of
 scientific software packages included in the distribution. (As
 a matter of fact, Debian comes with much, much more scientific
 software packages than SL does).  

Just as an addendum in case someone is interested. This is a complete (!) 
list of scientific packages that come with Scientific Linux 6:

jsalk@wattwurm:~ cat /etc/redhat-release
Scientific Linux release 6.0 (Carbon)
jsalk@wattwurm:~ yum groupinfo 'Scientific support'
Loaded plugins: refresh-packagekit
Setting up Group Process

Group: Scientific support
 Description: Tools for mathematical and scientific computations, and parallel 
computing.
 Default Packages:
   gnuplot
   units
 Optional Packages:
   atlas
   lapack
   mpich2
   mpitests-mvapich
   mpitests-mvapich2
   mpitests-openmpi
   mvapich
   mvapich2
   numpy
   openmpi
jsalk@wattwurm:~ 

That's it. It's simply what comes with RHEL6 anyway. They don't even
have R in SL6 any more. So it is really a myth that Scientific Linux
provides much extras for scientists. It's simply not their goal. It's
all about compatibility with RHEL which makes SL so attractive as a
common platform for huge computing environments. 

Best regards,

Juergen

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Re: Debian and Scientific Linux

2011-03-05 Thread Steffen Möller
On 03/05/2011 05:34 PM, Juergen Salk wrote:
 * Juergen Salk juergen.s...@gmx.de [110305 15:46]:
 
 That they have Scientific Linux and are Open Source already
 is per se already quite remarkable.
 
 [...] The main goal of Scientific Linux is *not* to be as
 scientific as possible, e.g. in terms of the number of
 scientific software packages included in the distribution. (As
 a matter of fact, Debian comes with much, much more scientific
 software packages than SL does).  
 
 Just as an addendum in case someone is interested. This is a complete (!) 
 list of scientific packages that come with Scientific Linux 6:
 
 jsalk@wattwurm:~ cat /etc/redhat-release
 Scientific Linux release 6.0 (Carbon)
 jsalk@wattwurm:~ yum groupinfo 'Scientific support'
 Loaded plugins: refresh-packagekit
 Setting up Group Process
 
 Group: Scientific support
  Description: Tools for mathematical and scientific computations, and 
 parallel computing.
  Default Packages:
gnuplot
units
  Optional Packages:
atlas
lapack
mpich2
mpitests-mvapich
mpitests-mvapich2
mpitests-openmpi
mvapich
mvapich2
numpy
openmpi
 jsalk@wattwurm:~ 
 
 That's it. It's simply what comes with RHEL6 anyway. They don't even
 have R in SL6 any more. So it is really a myth that Scientific Linux
 provides much extras for scientists. It's simply not their goal. It's
 all about compatibility with RHEL which makes SL so attractive as a
 common platform for huge computing environments. 

Right. Little is added:

https://www.scientificlinux.org/distributions/6x/features/added
https://www.scientificlinux.org/distributions/6x/features/differences

And all the CERN physics environments are indeed not a part of it as
it seems. And there is yet no ROOT or CERNLIB binary package for it
but only for older versions :)

http://root.cern.ch/drupal/content/production-version-528
http://cernlib.web.cern.ch/cernlib/version.html

Thank you for pointing this out!

Steffen


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Re: Debian and Scientific Linux (was: Removal requests submitted for CERNLIB packages)

2011-03-05 Thread Stephen Liu
HI folks,

I heard SL sometimes but never test it.  I ran Debian, RH, Fedora, CenOS, 
Ubuntu, FreeBSD, etc. before and am still running some of them.  What is the 
major difference of SL from other Linux distro?  Thanks

B.R.
SL





From: Juergen Salk juergen.s...@gmx.de
To: Steffen Möller steffen_moel...@gmx.de
Cc: debian-science@lists.debian.org
Sent: Sun, March 6, 2011 12:34:33 AM
Subject: Re: Debian and Scientific Linux (was: Removal requests submitted for 
CERNLIB packages)

* Juergen Salk juergen.s...@gmx.de [110305 15:46]:

  That they have Scientific Linux and are Open Source already
  is per se already quite remarkable.

 [...] The main goal of Scientific Linux is *not* to be as
 scientific as possible, e.g. in terms of the number of
 scientific software packages included in the distribution. (As
 a matter of fact, Debian comes with much, much more scientific
 software packages than SL does).  

Just as an addendum in case someone is interested. This is a complete (!) 
list of scientific packages that come with Scientific Linux 6:

jsalk@wattwurm:~ cat /etc/redhat-release
Scientific Linux release 6.0 (Carbon)
jsalk@wattwurm:~ yum groupinfo 'Scientific support'
Loaded plugins: refresh-packagekit
Setting up Group Process

Group: Scientific support
Description: Tools for mathematical and scientific computations, and parallel 
computing.
Default Packages:
   gnuplot
   units
Optional Packages:
   atlas
   lapack
   mpich2
   mpitests-mvapich
   mpitests-mvapich2
   mpitests-openmpi
   mvapich
   mvapich2
   numpy
   openmpi
jsalk@wattwurm:~ 

That's it. It's simply what comes with RHEL6 anyway. They don't even
have R in SL6 any more. So it is really a myth that Scientific Linux
provides much extras for scientists. It's simply not their goal. It's
all about compatibility with RHEL which makes SL so attractive as a
common platform for huge computing environments. 

Best regards,

Juergen

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Re: Debian and Scientific Linux (was: Removal requests submitted for CERNLIB packages)

2011-03-05 Thread Andreas Tille
On Sat, Mar 05, 2011 at 05:31:51PM -0800, Stephen Liu wrote:
 I heard SL sometimes but never test it.  I ran Debian, RH, Fedora, CenOS, 
 Ubuntu, FreeBSD, etc. before and am still running some of them.  What is the 
 major difference of SL from other Linux distro?  Thanks

As far as I have understood this thread SL is RH with some noise about
it in scientific world.

Kind regards

Andreas.

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