Error in Installing the Oracle 10g RDBMS on linux installed on Vmware

Hi,
I am trying to install the Oracle 10g RDBMS software. I have created all the required users and groups, created directories and updaates the sysctl.conf file.
When I run the installer ./runInstaller it is giving the following error.
[oracle@aasim database]$ ./runInstaller
Starting Oracle Universal Installer...
Checking installer requirements...
Checking operating system version: must be redhat-3, SuSE-9, redhat-4, UnitedLinux-1.0, asianux-1 or asianux-2
Passed
All installer requirements met.
Preparing to launch Oracle Universal Installer from /tmp/OraInstall2011-02-26_11-48-44PM. Please wait ...[oracle@aasim database]$ Xlib: connection to ":0.0" refused by server
Xlib: No protocol specified
Exception in thread "main" java.lang.InternalError: Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable.
at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
at sun.awt.X11GraphicsEnvironment.<clinit>(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(Unknown Source)
at java.awt.Window.init(Unknown Source)
at java.awt.Window.<init>(Unknown Source)
at java.awt.Frame.<init>(Unknown Source)
at oracle.ewt.popup.PopupFrame.<init>(Unknown Source)
at oracle.ewt.lwAWT.BufferedFrame.<init>(Unknown Source)
at oracle.sysman.oio.oioc.OiocOneClickInstaller.<init>(OiocOneClickInstaller.java:378)
at oracle.sysman.oio.oioc.OiocOneClickInstaller.main(OiocOneClickInstaller.java:2091)
Can anyone tell me why I am getting this error and how to resolve it.
Thanks
Aasim

Pl post exact details of "Linux" and "10g" versions. Which install guide are you following ? This error has been discussed many times in this forum - use the search feature to find possible solutions
http://forums.oracle.com/forums/search.jspa?threadID=&q=%22Can't+connect+to+X11+window%22&objID=f64&dateRange=all&userID=&numResults=15&rankBy=10001
HTH
Srini

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