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32.11. Post-Installation Script
Figure 32.16. 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.
Do not include the
%postcommand. 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
echo "Hackers will be punished" > /etc/motd
More examples can be found in Section 31.7.1, “Examples”.
32.11.1. 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
--nochrootoption in the
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
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
32.11.2. 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/python2.2can be specified for a Python script. This option corresponds to using
%post --interpreter /usr/bin/python2.2in your kickstart file.