Installed Java Plugin for Firefox under Linux

URL: http://java.sun.com/j2se/1.4.2/download.html

Choose:

J2SE v 1.4.2_06 JRE
includes the JVM technology
The J2SE Java Runtime Environment (JRE) allows end-users
to run Java applications. More info...
Download J2SE JRE

Java(TM) 2 Runtime Environment, Standard Edition 1.4.2_06

Choose:

Linux Platform
RPM in self-extracting file (j2re-1_4_2_06-linux-i586-rpm.bin, 13.24 MB)

run:

# sh j2re-1_4_2_06-linux-i586-rpm.bin
# rpm -ivh j2re-1_4_2_06-linux-i586.rpm
# ln -s /usr/java/j2re1.4.2_06/plugin/i386/ns610-gcc32/libjavaplugin_oji.so /usr/lib/firefox-1.0/plugins/libjavaplugin_oji.so

This info was copied from Mauriat Miranda's Personal Fedora Core 3 Installation Guide