Specifications

Java Plug-In
Java Plug-In
Regardless of the browser you are using (see supported browsers), the first time your browser
attempts to load the LifeKeeper GUI, it will either automatically download the Java Plug-In software
or redirect you to a web page to download and install it. From that point forward, the browser will
automatically invoke the Java Plug-in software every time it comes across web pages that support
the technology.
Downloading the Java Plug-in
Java Plug-in software is included as part of the Java Runtime Environment (JRE) for Solaris, Linux
and Windows. Downloading the JRE typically takes a total of three to ten minutes, depending on
your network and system configuration size. The download web page provides more documentation
and installation instructions for the JRE and Java Plug-in software.
Note 1: You should close and restart your browser after installing the plug-in and whenever plug-in
properties are changed.
Note 2: Only Java Plug-in Version 1.6.x or later are supported with LifeKeeper.
Running the GUI on a Remote System
You may administer LifeKeeper from a Linux, Unix or Windows system outside the LifeKeeper cluster
by running the LifeKeeper GUI as a Java applet. Configuring and running the GUI in this environment
is described below.
Configuring the GUI on a Remote System
In order to run the LifeKeeper GUI on a remote Linux, Unix or Windows system, your browser must
provide full JDK 1.6 applet support. Refer to the SPSfor Linux Release Notes for information on the
supported platforms and browsers for the LifeKeeper GUI.
1. If you are running the LifeKeeper GUI as an applet, you need to create a user policy file in your
home directory if one does not already exist. The user policy file should specify the minimum
permissions required to run the LifeKeeper GUI.
l The simplest way to create a user policy file with the minimum permissions
required to run the LifeKeeper GUI is to copy the LifeKeeper GUI policy file
located in /opt/LifeKeeper/htdoc/java.policy to your home directory and
rename it .java.policy (note there is a leading dot in the file name that is
required). On a Windows system, you can copy the LifeKeeper GUI policy file
by opening the file http://<server name>:81/java.policy (where <servername> is
the host name of a LifeKeeper server), and saving it as .java.policy in your home
directory. If you need to determine the correct location for a user policy file,
enable the Java Console using the Java Control Panel, and start the
LifeKeeper GUI as an applet. The home directory path for the user policy file will
be displayed in the Java Console.
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