AS advised i have downloaded and install oracle server6 and followed the http://www.oracle.com/technetwork/articles/servers-storage-admin/ginnydbinstallonlinux6-1845247.html , but i am getting error as follows
Checking Temp space: must be greater than 120 MB. Actual 42983 MB Passed
Checking swap space: must be greater than 150 MB. Actual 7951 MB Passed
Checking monitor: must be configured to display at least 256 colors
Could not execute auto check for display colors using command /usr/bin/xdpyinfo. Check if the DISPLAY variable is set. Failed <<<<
Some requirement checks failed. You must fulfill these requirements before
continuing with the installation,
Continue? (y/n) [n] n
User Selected: No
Now i am stuck again.
I have tried
xhost: unable to open display "localhost:0.0"