[LON-CAPA-admin] Fedora to CentOS?

Edwards, Michael W mwedward at uiuc.edu
Wed Jan 2 09:42:24 EST 2008

I have spare DVD/CDRW modules for HP DL380G3 hanging around here if you'd really like one, they are very easy to swap out as well.


> -----Original Message-----
> From: lon-capa-admin-admin at mail.lon-capa.org [mailto:lon-capa-admin-
> admin at mail.lon-capa.org] On Behalf Of Mark Lucas
> Sent: Wednesday, January 02, 2008 8:29 AM
> To: lon-capa-admin at mail.lon-capa.org
> Subject: Re: [LON-CAPA-admin] Fedora to CentOS?
> Paul,
> I went to Centos 5 last summer here at Ohio University. I always go the
> route of keeping home intact and wiping the system. I keep a backup
> of /etc to help in reconfiguring.
> The Centos 5 instructions are nearly identical to the RedHat Enterprise
> instructions with the exception of the yum.conf if I remember right.
> Someone else may be able to respond to that (it's been a half year
> since
> the installs and I'm not sure what might have changed on the LON-CAPA
> install end).
> As for the DVD issue, I just got done updating my desktop to FC8, but
> don't have a DVD burner. I downloaded the minimal installer onto CD (it
> can also use a memory stick) and then installed using http:. Once I
> figured out exactly what path to provide for the http: it went very
> smoothly.
> Hope this helps,
> Mark
> On Wed, 2008-01-02 at 09:13 -0500, Neubauer, Paul R. wrote:
> > Here's a question that probably doesn't come up very often, but has
> > anyone "sidegraded" from Fedora to Centos? Has anyone changed linux
> > distros in any other direction? Centos seems like a natural change of
> > distros, but I'm open to other suggestions too.
> >
> > Background: We're still running FC4 on an HP DL380 G3. I know that's
> > suboptimal, but we have very few opportunities to upgrade and our
> > window last summer was occupied with other tasks. :-(
> >
> > LON-CAPA 2.5.3, the current version, deprecates FC4, but 2.6, the
> > soon-to-be-released version, does not even mention FC4, so it looks
> > like we want to upgrade the OS before 2.6.
> >
> > On a previous occasion, I had tried and failed to install FC5. It
> > turns out that FC5 (I don't know about 6, 7 or 8) does not correctly
> > detect or handle the hardware RAID array on these Proliant servers.
> > (http://www.broadbandpig.com/archives/2006/05/fedora_core_5_o.html
> discusses that problem.) Of course, by the time I discovered the
> problem, I had no time to track it down and fix it because the next
> semester was about to begin. That left us on FC4 when FC5 was current,
> which was not too bad, but it gets worse. Now the latest versions of
> Fedora seem to be available as a DVD ISO, but no longer as multiple
> ISOs for CDs. Unfortunately the DL380 has a CD drive, not a DVD drive.
> The result is that between the RAID problem and the CD problem, I am
> not sure how to go about updating from FC4 to Fedora 8 (or more likely
> 9 by the time we get a window of opportunity to do it). I doubt that
> I'm going to get funding to replace the CD drive with a DVD drive and,
> personally, I don't feel like messing about with the hardware any more
> than necessary.
> >
> > I see that Centos does still come as multiple CD ISOs and is,
> > obviously, intended for use as an "Enterprise" platform. It also
> > appears to support the hardware RAID arrays of the Proliant series.
> >
> > So, the big question is what I would need to do to "upgrade" to
> > Centos. I would GUESS that the instructions
> > on http://www.lon-capa.org/fedoracoreupdate.html may be comparable to
> > what I would need for "sidegrading" from Fedora to Centos, but I'm
> not
> > too sure. What I have done in the past for upgrading Fedora is
> > essentially to wipe out the OS but leave /home untouched and just
> > reinstall the new OS onto /, /usr and /var.
> >
> > I could go that route or pretend I was moving to FC6 (just with
> Centos
> > CDs) or ...
> >
> > I may be able to get some spare hardware for a short time to test
> > install FC4 and then install Centos over that, but I'm not sure yet.
> >
> > Anybody have any good advice for me?
> >
> > Thanks,
> > Paul
> >
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