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Red Hat Enterprise Linux 6 Essentials eBook now available in PDF and ePub formats for only $9.99
RHEL 6 Essentials contains 40 chapters and over 250 pages.

33.11. Post-Installation Script

Post-Installation Script
Post-Installation Script for Kickstart
Figure 33.14. Post-Installation Script

You can also add commands to execute on the system after the installation is completed. If the network is properly configured in the kickstart file, the network is enabled, and the script can include commands to access resources on the network. To include a post-installation script, type it in the text area.

Important — anaconda no longer uses busybox

The version of anaconda in previous releases of Red Hat Enterprise Linux included a version of busybox that provided shell commands in the pre-installation and post-installation environments. The version of anaconda in Red Hat Enterprise Linux 6 no longer includes busybox, and uses GNU bash commands instead.
Refer to Appendix G, Alternatives to busybox commands for more information.

Important

Do not include the %post command. It is added for you.
For example, to change the message of the day for the newly installed system, add the following command to the %post section:
echo "Hackers will be punished" > /etc/motd

Note

More examples can be found in Section 32.7.1, “Examples”.

33.11.1. 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

 
 
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