The graphical user interface of the Installer for Linux and UNIX is based on the Java technology. Therefore, the Java Runtime Environment (JRE) must be installed on the target system to run the installation dialogs. If the JRE is not installed on the target system, an alpha-numerical VT100 installation dialog is executed instead of the expected Java dialog.
To avoid a fall back to the VT100 dialog mode, you can integrate a JRE in a self-installing PIF product which will then be installed and executed on the target system.
To integrate a JRE in a self-installing PIF product, the pifself command provides the -j option. This option adds the core JRE files to the self-installing PIF product. On the target system the Installer uses this integrated JRE to run the Java wizard of the Installer.
With the -j option you can specify a JRE version to integrate or decide to use a downsized version for Linux. Enter a path name including the "jre" subdirectory, for example, /usr/java/j2sdk.1.4_10/jre.
This downsized JRE version (V1.4.2.10) for Linux platforms contains only the necessary classes and files to run the Java wizard of the Installer.
For all other platforms you can integrate JRE version 1.5 or 1.6 in the self-installing PIF product.
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