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Top Forums Shell Programming and Scripting How to Find JRE installed in linux machine..? Post 302163341 by ionutned on Thursday 31st of January 2008 08:18:20 PM
Old 01-31-2008
Unfortunately a solution like "which java" doesn't always work. For instance, I need to find the JRE location not for the binary "java", but for the library libjvm.so, because I want to launch a JVM from C native code.
The library path is something like this: "<JAVA_HOME>/jre/lib/i386/client/libjvm.so, and because of all symbolic links, if I get a path like /usr/bin/java using "which", it doesn't help me much.
 

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AIRPORT2-PORTINSPECTOR(1)				      General Commands Manual					 AIRPORT2-PORTINSPECTOR(1)

NAME
airport2-portinspector - Port maps inspector for the Apple AirPort Extreme Base Station ("Snow") SYNOPSIS
airport2-portinspector DESCRIPTION
airport2-portinspector allows you to inspect the port maps used by the hosts associated with your base station. OPTIONS
airport2-portinspector accepts no command-line options. airport2-portinspector is a wrapper script around the PortInspector.jar jar file located in /usr/share/java/airport-utils. You can set the JAVACMD environment variable to use a specific JVM instead of the one chosen by the wrapper script. Set the DEBUG environ- ment variable to 1 to get the debug output from the wrapper script. ENVIRONMENT VARIABLES
DEBUG Set this variable to 1 to get the debug output from the wrapper script. JAVACMD The full path to the Java Virtual Machine to use. By default, the wrapper uses JAVACMD; if it is not set, it looks for JAVA_BINDIR/java, then for JAVA_HOME/bin/java before looking for a java executable in the PATH. In the latter case, the JVM used can be configured using the Debian alternatives system (see update-alternatives(8)). JAVA_HOME The full path where your JDK/JRE is installed. JAVA_BINDIR The full path to the directory where the java executable is located. JAVA_ARGS Extra command-line arguments to be passed to the Java Virtual Machine. AUTHOR
airport2-portinspector was written by Jon Sevy <jsevy@cs.drexel.edu>. This manual page was written by Julien BLACHE <jblache@debian.org>, for the Debian project (but may be used by others). May 20, 2006 AIRPORT2-PORTINSPECTOR(1)
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