 | | | Move a mail server | Move a mail server 2007-06-20 - By Romeo Theriault
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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 (See http://RHL-7.ora-code.com).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 (See http://trd-2.ora-code.com).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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