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From: General Schvantzkoph on 18 Feb 2007 15:03
I just installed Scientific Linux 4.4 on one of my older systems because I
need Motif which was dropped from Fedora Core 6 (lestiff doesn't work for
the Xilinx GUIs, it needs OpenMotif). After I did the install I did a yum
-y update. I was surprised to see how few updates there were, only 56
packages were updated even though the SL 4.4 ISOs are 6 months old. Is
this typical of RHEL or does Scientific Linux not keep up on the updates?
I've been using Fedora for years so I've become use to getting hundreds of
updates a week. Obviously FC is a development platform and RHEL is a
stable platform so you would expect a fairly big difference, but the
number of updates for SL 4.4 was unimaginably small.

While I'm at it, another question about RHEL. The kernel on RHEL 4 is
incredibly old, 2.6.9. Is RedHat back porting all of the new drivers to
it's 2.6.9 kernel? I put SL onto an old dual Xeon system so the antique
kernel wasn't a problem because all of the hardware on that system has
been supported since 2.4 kernel days. However I don't see how you could
put RHEL on a new system. With my Core2 box I had to use various
workarounds to get FC6 to install because a Core2 motherboard really needs
a 2.6.19 kernel and FC6's installer uses 2.6.18. Original 2.6.9 wouldn't
support anything on a 965 motherboard, has RedHat added the necessary
drivers to their installer? Just curious.
From: Lenard on 18 Feb 2007 17:07
General Schvantzkoph wrote:

> I just installed Scientific Linux 4.4 on one of my older systems because I
> need Motif which was dropped from Fedora Core 6 (lestiff doesn't work for
> the Xilinx GUIs, it needs OpenMotif). After I did the install I did a yum
> -y update. I was surprised to see how few updates there were, only 56
> packages were updated even though the SL 4.4 ISOs are 6 months old. Is
> this typical of RHEL or does Scientific Linux not keep up on the updates?
> I've been using Fedora for years so I've become use to getting hundreds of
> updates a week. Obviously FC is a development platform and RHEL is a
> stable platform so you would expect a fairly big difference, but the
> number of updates for SL 4.4 was unimaginably small.

Yes, this is the difference between cutting/bleeding edge and stable.

> While I'm at it, another question about RHEL. The kernel on RHEL 4 is
> incredibly old, 2.6.9. Is RedHat back porting all of the new drivers to
> it's 2.6.9 kernel? I put SL onto an old dual Xeon system so the antique
> kernel wasn't a problem because all of the hardware on that system has
> been supported since 2.4 kernel days. However I don't see how you could
> put RHEL on a new system. With my Core2 box I had to use various
> workarounds to get FC6 to install because a Core2 motherboard really needs
> a 2.6.19 kernel and FC6's installer uses 2.6.18. Original 2.6.9 wouldn't
> support anything on a 965 motherboard, has RedHat added the necessary
> drivers to their installer? Just curious.

Yes, Red Hat backports important security and system enhancements, but I let
Red Hat state this in detail;

http://www.redhat.com/advice/speaks_backport.html

BTW:

$ cat /etc/*release
Scientific Linux SL release 5.0 (Boron)

$ uname -a
Linux Aspire5000 2.6.20-git10 #1 Wed Feb 14 14:09:59 EST 2007 x86_64 x86_64
x86_64 GNU/Linux


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