Re: [SLE] Two kernels?

9 Jun 2000

      Hi.  The best way to do this is to put each kernel in its own directory.

For example, you can have /boot/stable/ and /boot/test/ (or whatever you
feel like calling the dirs).

Then each dir will have it's owm image and System.map. In /etc/lilo.conf you
could do

label=stable
image=/boot/stable/vmlinuz
root=/dev/hda2

label=test
images=/boot/test/vmlinuz
root=/dev/hda2

Before you build the kernels be sure to add the appropriate entry to
lilo.conf (especially if you do a make zlilo which runs lilo after the
build).  Also set the INSTALL_PATH in the kernel top-level Makefile to point
to where ever the kernel and map are to be installed.

I have not tried this myself but I see no reason why is should not work.  :)

kw
/* Keith Warno
** Developer & Sys Admin
** http://www.HaggleWare.com/
*/

----- Original Message -----
From: "Mike Kenzie" 
To: "Philipp Thomas" ; 
Cc: 
Sent: 09 June 2000, Friday 12:05
Subject: Re: [SLE] Two kernels?

you mention keeping an extra copy of System.map but I don't
see it in the lilo.conf that you included.

How do you specify that the system.map is different with
each kernel?

Can the image= point to a link?

----- Original Message -----
From: Philipp Thomas 
To: 
Cc: 
Sent: Monday, June 05, 2000 10:12 PM
Subject: Re: [SLE] Two kernels?
...
* muskrat@texas.net (muskrat@texas.net) [20000605 17:54]:
...
Is is possible (and straightforward) to keep two
versions of the kernel around
selecting which to actually boot in LILO?
Yes on both accounts ;-) Just rename one of the kernels
(and System.map
accordingly) and add an entry in /etc/lilo.conf. Here's
what my lilo.conf at
home looks like:
image = /boot/vmlinuz-2.4.0-test1-ac7
    root = /dev/hda6
  append ="video=matrox:1280x1024@75,mtrr,sgram"
   label = linux
#
   image = /boot/vmlinuz-2.3.99-pre9
    root = /dev/hda6
  append ="video=matrox:1280x1024@75,mtrr,sgram"
   label = lxpre9
#
   image = /boot/vmlinuz-2.3.99-pre8
    root = /dev/hda6
  append ="video=matrox:1280x1024@75,mtrr,sgram"
   label = lxpre8
#
   image = /boot/vmlinuz-2.3.99-pre6
    root = /dev/hda6
  append ="video=matrox:1280x1024@75,mtrr,sgram"
   label = lxpre6
#
   image = /boot/vmlinuz-2.3.99-pre5
    root = /dev/hda6
  append ="video=matrox:1280x1024@75,mtrr,sgram"
   label = lxpre5
#
   image = /boot/vmlinuz-2.3.99-pre3
    root = /dev/hda6
  append ="mem=192M video=matrox:1280x1024@75,mtrr,sgram"
   label = lxpre3
#
   image = /boot/vmlinuz-2.2.14
  append ="mem=192m"
    root = /dev/hda6
   label = lx14
#
--
Philipp Thomas 
Development, SuSE GmbH, Schanzaecker Str. 10, D-90443
Nuremberg, Germany
#define NINODE  50              /* number of in core
inodes */
#define NPROC   30              /* max number of processes
*/
  -- Version 7 UNIX fuer PDP 11, /usr/include/sys/param.h
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Re: [SLE] Two kernels?

keith＠HaggleWare.com