[CentOS] Creating an alternitive install CD for CentOS 5.2 (w/patched mkinitrd)
jpyeron at pdinc.us
Mon Mar 9 03:25:31 UTC 2009
> -----Original Message-----
> From: centos-bounces at centos.org
> [mailto:centos-bounces at centos.org] On Behalf Of Robert Heller
> Sent: Sunday, March 08, 2009 15:46
> To: CentOS mailing list
> Cc: CentOS mailing list
> Subject: Re: [CentOS] Creating an alternitive install CD for CentOS
> 5.2 (w/patched mkinitrd)
> At Sun, 8 Mar 2009 08:47:50 -0400 CentOS mailing list
> <centos at centos.org> wrote:
> > On Sat, Mar 7, 2009 at 2:34 PM, Robert Heller
> <heller at deepsoft.com> wrote:
> > .....
> > > I was unsure of the specific options above -- After installing
> > > revisor and poked around in the source code and found
> what I needed,
> > > but my test install failed -- it complained that there
> was a problem
> > > with mkinitrd -- could not open it or find it -- guessing
> I need to
> > > rebuild the repro database.
> > >
> > >
> > >>
> > >> ... reboot, lather, rinse and repeat .... :-) :=)
> > >>
> > >> You may find "re-generating" the CentOS CDs/DVD quite
> easy at times
> > >> and very frustrating and complex at others ......
> > >
> > > Yeah, it appears so. B I just hope I don't have to rebuild all 6
> > > CDs, since I don't have the DVD nor do I have a DVD-R
> drive either,
> > > so doing things with a single DVD is not an option.
> > >
> > Last time I added a DVD burner to my Build system, it cost
> $29 (USD)
> > and this was for a very good, reliable unit. Not worth my time and
> > immense hassle to do otherwise ....
> > As for ...
> > > could not open it or find it -- guessing I need to
> rebuild the repro
> > > database.
> > What about:
> > >> First of all, if you replace an RPM, you'll need to do
> > What isn't clear?? As "need to" means **MUST**.... <hmmmm>.
> > Why did you even make an attempt without the createrepro command??
> > Two to three minutes of your time wasn't worth it (but
> taking our time
> > is, of course) :-):-) ...
> I did not even know about the createrepro command!
> > While I believe your bug reports, I install CentOS on RAID + LVM
> > everyday without any problems, private kernel patches, etc. -- as a
> > counter-example.
> Did you *specificly* install CentOS 5.2 (as opposed to 5.1 or 4.7? Do
> you want the URLs of of the CentOS 5.2 & RHEL 5.2 bug reports? Did
> you install onto bare partitions and then migrate to RAID and/or LVM
> Note this is *software RAID*, not hardware RAID.
> > Now, let's see if we understand the situation clearly:
> > 1. This is a "one-time" conversion (will "throw the CD
> away when done") ...
> > 2. You're migrating a system from Ubuntu to CentOS
> (e.g., a different
> > version / patch level of LVM + RAID) and *hope* to keep data
> > consistency and reliability ...
> > 3. You have a backup of this precious data, yes / no??
> If no, eegaddss....
> > 4. So, why not just do a wipe + fresh install and
> reload the data???
> I want the option of falling back to the existing (working) Ubuntu
> system, in case there are problems with the CentOS setup. Right now,
> this is for a small (and relatively
> impoverished) small town library.
Is the library a 501c3?
> The original setup (done by someone else who does not have the time,
> etc. to deal with it) uses LTSP and diskless thin clients. While this
> works, there are some performance issues. Because the LTSP uses the
> 'PC's as pretty much bare X Terminals, this means all of the real
> is done on the server itself. With several people working, often kids
> and teens playing Flash games and maybe one or two people using Open
> Office, the server litterally runs out of RAM and starts swapping,
> which slows everything down. I want to set up a slighter thicker
> clients using NFS mounted file systems in hopes that this will work
> There is a backup process in place, but it has not been working
> lately, since there seems to be a problem with sshd on the external
> Even if it was working it might be problematical to restore it anyway
> because of the rather funcky internet connection we have (HughesNet
> satelite dishes -- nothing better is available here in the wilds of
> Western Mass).
> The main reason for moving from Ubuntu to CentOS is that I am much
> more familar / confortable with RedHat flavored systems.
> Ubuntu seems to have more 'magical' things going on, which I could
> not figure out. I think Ubuntu tries to be overly 'helpful', which
> might be nice for some users and probably makes more sense for home
> desktop users, but was just frustating for someone trying to do some
> 'outside of the box' things.
Trying to get this straight, is this for the server or a client?
What are the disk specs for the machine? Why would you not just buy additional
storage, even if you accomplish this install/upgrade over the old version you
will most likely not be able to go back.
> > Now how much time have you spent on this "project" so far??
> I believe
> > the above would be done 2 to 3x times over by now ....
> > Plus, you've found out that it is a lot more than "just a mkisofs
> > command with a few arguments" (and that you have to follow
> > instructions precisely or things just don't WORK(tm)).
> > Hmmmm....
> > -rak-
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> Robert Heller -- 978-544-6933
> Deepwoods Software -- Download the Model Railroad System
> http://www.deepsoft.com/ -- Binaries for Linux and MS-Windows
> heller at deepsoft.com --
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