Selenium Rc on CentOS

I run my selenium Rc code on the CentOS machine, and it gives me the custom firefox profile error
Can any one help me see below error:


12:25:55.736 INFO - Preparing Firefox profile...
Error: cannot open display: :0
12:26:21.823 ERROR - Failed to start new browser session, shutdown browser and clear all session data
java.lang.RuntimeException: Timed out waiting for profile to be created!
at org.openqa.selenium.server.browserlaunchers.FirefoxChromeLauncher.waitForFullProfileToBeCreated(FirefoxChromeLauncher.java:348)
at org.openqa.selenium.server.browserlaunchers.FirefoxChromeLauncher.populateCustomProfileDirectory(FirefoxChromeLauncher.java:124)
at org.openqa.selenium.server.browserlaunchers.FirefoxChromeLauncher.launch(FirefoxChromeLauncher.java:91)
at org.openqa.selenium.server.browserlaunchers.FirefoxChromeLauncher.launchRemoteSession(FirefoxChromeLauncher.java:400)
at org.openqa.selenium.server.browserlaunchers.FirefoxLauncher.launchRemoteSession(FirefoxLauncher.java:98)
at org.openqa.selenium.server.BrowserSessionFactory.createNewRemoteSession(BrowserSessionFactory.java:372)
at org.openqa.selenium.server.BrowserSessionFactory.getNewBrowserSession(BrowserSessionFactory.java:124)
at org.openqa.selenium.server.BrowserSessionFactory.getNewBrowserSession(BrowserSessionFactory.java:86)
at org.openqa.selenium.server.SeleniumDriverResourceHandler.getNewBrowserSession(SeleniumDriverResourceHandler.java:733)
at org.openqa.selenium.server.SeleniumDriverResourceHandler.doCommand(SeleniumDriverResourceHandler.java:399)
at org.openqa.selenium.server.SeleniumDriverResourceHandler.handleCommandRequest(SeleniumDriverResourceHandler.java:370)
at org.openqa.selenium.server.SeleniumDriverResourceHandler.handle(SeleniumDriverResourceHandler.java:129)
at org.openqa.jetty.http.HttpContext.handle(HttpContext.java:1530)
at org.openqa.jetty.http.HttpContext.handle(HttpContext.java:1482)
at org.openqa.jetty.http.HttpServer.service(HttpServer.java:909)
at org.openqa.jetty.http.HttpConnection.service(HttpConnection.java:820)
at org.openqa.jetty.http.HttpConnection.handleNext(HttpConnection.java:986)
at org.openqa.jetty.http.HttpConnection.handle(HttpConnection.java:837)
at org.openqa.jetty.http.SocketListener.handleConnection(SocketListener.java:245)
at org.openqa.jetty.util.ThreadedServer.handle(ThreadedServer.java:357)
at org.openqa.jetty.util.ThreadPool$PoolThread.run(ThreadPool.java:534)
12:26:21.839 INFO - Got result: Failed to start new browser session: Error while launching browser on session null

Looks like CentOS does not have any display. Does it?
You may need Xvfb to execute tests on headless mode.
This post of mine might help -

http://www.seleniumtests.com/2012/04/headless-tests-with-firefox-webdriver.html