Error in CreateOUIProcess(): 13 : Permission denied

[root@prodbi11g /]#./runinstaller
INFO: Checking swap space: must be greater than 500 MB. Actual 2172 MB Passed
INFO: Error in CreateOUIProcess(): 13
INFO: : Permission denied
INFO: Preparing to launch Oracle Universal Installer from /tmp/OraInstall2012-06-30_01-38-33AM. Please wait ...

Cause:-

There was "noexec' set on /tmp dir.

LABEL=/tmp    /tmp type ext3 (rw,noexec,nosuid,nodev)

Solution :-

Remove "noexec" on /tmp folder.

vi /etc/fstab

LABEL=/tmp    /tmp type ext3 (rw,nosuid,nodev)

[root@prodbi11g /]# mount -o remount,exec /tmp