[1292] in RedHat Linux List
Re: Two different versions Linux, one computer; possible???]
daemon@ATHENA.MIT.EDU (Jon Klaren)
Sun Oct 27 14:17:15 1996
Date: Sun, 27 Oct 1996 11:13:12 -0800 (PST)
From: Jon Klaren <jklaren@qualcomm.com>
To: jack kahn <jkahn@mail.hroads.com>
cc: redhat-list@redhat.com
In-Reply-To: <3273894F.36D13CA7@mail.hroads.com>
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
On Sun, 27 Oct 1996, jack kahn wrote:
> Would appreciate info concerning possibility of installing two SEPARATE
> versions of Linux on the same computer. Purpose is to have one "stable"
> and one "experimental". Every attempt I've made has resulted in
> necessity for complete reinstallation.
>
> Please send info in language suitable for minimally Linux literate user.
Jack:
This has been discussed recently on the list, so scan the archives at
www.redhat.com. But it goes like this:
1. You will want to put each installation on a separate disk partition,
but they can share the swap partition, since only one will be using it at
a time.
2. Use lilo to boot one or the other. if your stable linux is on
/dev/hda1 and the experimental one is on /dev/hda2 (1st and 2nd
partitons, respectively of an IDE HD) then your /etc/lilo.conf would look
like:
boot=/dev/hda
map=/boot/map
install=/boot/boot.b
prompt
image=/zImage-stable
label=linux
root=/dev/hda1
read-only
image=/zImage-test
label=test
root=/dev/hda2
read-only
So at the LILO prompt, you enter "linux" for the stable version or "test"
for the experimental version. The paths to all these files are relative
to the installation you run when you install lilo.
If you want to share information between installations, put an entry into
/etc/fstab (on each installation) to mount the other partition somewhere.
-Jon
Jon Klaren
San Diego, CA USA
jklaren@qualcomm.com
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