Using variables in kickstart file

[Shabazian, Chip]

You could also add these variables to the boot: line and then pull them
from /proc/cmdline in the %pre section.  Just make sure you have 255
characters or less for that boot: line.

-----Original Message-----
From: kickstart-list-bounces at redhat.com
[mailto:kickstart-list-bounces at redhat.com] On Behalf Of Gabrie
Sent: Wednesday, July 18, 2007 2:55 AM
To: Kickstart-list at redhat.com
Subject: Using variables in kickstart file

Hi

I'm going to install about 20 servers, which will be identical apart
from hostname and IP address. To make changes in all ks files easier, I
would like to start using one central batch file, that is being called
from the ks.cfg file. Therefore I would like to use 2 variables
containing IP and hostname.

Ideally it would be something like this:

### Begin ks020.cfg
VAR-IP = 10.0.0.20
VAR-HOST = vmesx020.mydomain.com

<snip>

network --device eth0 --bootproto static --ip $VAR-IP --netmask
255.255.255.0 -gateway 10.0.0.254 --hostname $VAR-HOST

<snip>

%post
# download central script
lwp-download http://10.0.0.1/scripts/central.cfg /tmp/central.cfg

perl /tmp/central.cfg $VAR-IP $VAR-HOST

### End ks020.cfg


In the central.cfg I would then be able to read the VAR-IP and VAR-HOST
and use it for other configuration stuff.

Who can tell me how to use variables in this way? I have the feeling
there also is a difference between a variable in the first section
(network section) and the post section????

Gabrie

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