Chroot Environment; Use An Interpreter; Saving The File - Red Hat ENTERPRISE LINUX 4 System Administration Manual

Chapter 2. Kickstart Configurator
Tip
More examples can be found in

2.11.1. Chroot Environment

To run the post-installation script outside of the chroot environment, click the checkbox next to this
option on the top of the Post-Installation window. This is equivalent to using the --nochroot option
in the %post section.
To make changes to the newly installed file system, within the post-installation section, but outside of
the chroot environment, you must prepend the directory name with /mnt/sysimage/.
For example, if you select Run outside of the chroot environment, the previous example must be
changed to the following:
echo "Hackers will be punished!" > /mnt/sysimage/etc/motd

2.11.2. Use an Interpreter

To specify a scripting language to use to execute the script, select the Use an interpreter option
and enter the interpreter in the text box beside it. For example, /usr/bin/python2.2 can be
specified for a Python script. This option corresponds to using %post --interpreter /usr/bin/
python2.2 in your kickstart file.

2.12. Saving the File

To review the contents of the kickstart file after you have finished choosing your kickstart options,
select File => Preview from the pull-down menu.
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Section 1.7.1, "Examples".