How to install JRE on Linux

It's easy to install JRE (Java Runtime Environment) on linux. Below are step-by-step on how to do that.

(1) Get a JRE installer from java.sun.com

(2) Change as a superuser with this command

su

(3) Go to the directory where JRE would be installed. For a sample

cd /usr/java

(4) Change the JRE installer mode so the installer can be execute by linux

chmod a+x jre-1_4_2_09_linux.bin

(5) Execute an installer

./jre-1_4_2_09_linux.bin

(6) Done.