I think your second idea of reinstalling and moving users is a much
better idea than trying to get Red Hat 7.2 working on another
machine. While your at it I would also suggest upgrading your version
of Red Hat. If you can't afford Red Hat, Fedora and Cent OS are both
good RedHat like alternatives. Unfortunately I don't have any
experience with moving a sendmail server so I won't be much help there.
Romeo
On Jun 20, 2007, at 1:53 PM, Lisa Casey wrote:
Hi,
I have a sendmail server running on Redhat Linux 7.2. The load
average on this machine occasionally goes quite high, and once
before I was advised that the server needed more memory. The
motherboard in this computer will not support more than around 750
MEG RAM.
We purchased a "barebones" system: case, motherboard, cpu, fan &
power supply in which we can put 2 GB of memory. My original idea
was to just move the hard drive from the old computer to the new.
We did this once before successfully when a motherboard crashed.
Unfortunately, this time it didn't work. When I try to boot the
drive in the new system, I get the following message during the
boot process:
Kernel panic: No init found. Try passing init=option to kernel
I've done some googling and here's what I THINK the problem is
(feel free to let me know if you think I'm way off base here). I
think that the kernel on the radhat drive cannot support the new
hardware and I need to upgrade the kernel. I've never upgraded a
kernel on Redhat before.
I found a procedure for upgrading the kernel here: http://
www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/custom-guide/
kernel.html
I'm not 100% certain what kernel is currently in this machine (I
didn't set it up originally). uname -r says 2.4.9-31custom but in /
boot I have a initrd-2.4.7-10.img (so I don't know if the kernel is
2.4.9 or 2.4.7). I also can't figure out where to get a new kernel.
I checked the errata for redhat 7.2 on the redhat site and found
several but every one of them says "File Missing" and there's
nothing to click on to download it. Can anyone help me out with
this? Considering I'm a novice at kernel upgrading, how likely
might I be to render my system unbootable? That would be a disaster
as this is currently our only mail server.
Another thought I had to solve this problem is this. Perhaps I
should just install a new hard drive in the new system, install
linux on it, then move the user accounts and mailboxes over to the
new drive. Does anyone know of a good "how to" for moving from one
Sendmail server to another?
Anyone have any thoughts as to which of these two procedures might
be best to solve my problem?
Thanks,
Lisa Casey
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