The Visual-Guide shows you Step-by-Step How to Install and Getting-Started with Selenium RC Server and Selenium RC Client for Python Linux CentOS 6 Desktop.
And this Visual Guide includes the Basic Screenshots of All GUI Steps involved.
The Content give Focus Only to the Essentials Instructions and Commands to make it Easier to Follow.

Download Selenium RC:
Selenium RC Server .jarOpen a Terminal Window
(Press “Enter” to Execute Commands)Check if Java JDK is Installed.
java -version
How to Install Required Oracle Java JDK on Linux CentOS:
Start Selenium Server
cd /selenium-server*.jar
java -jar selenium-server-standalone-2.25.0.jar
Then the Selenium Server will Listen by Default for the Selenium Client on the 4444 Port.
Getting-Started with Selenium RC Python Client
Installing Selenium Python Client:
Selenium Python ClientStart Browser by Selenium Python RC Client
python
>>>>from selenium import selenium
>>>>selenium = selenium("localhost", 4444, "*firefox",
"http://www.google.com/")>>>>selenium.start()