To enable Xvfb:
Log on to the computer on which you are running theReporting and Analysis Web application server components as the root user.
Determine whether Virtual Frame Buffer support is available on your computer by issuing the following command:
rpm -aq | grep -i 'vfb'
Note: | If Xvfb is not installed, install it from your installation media, RHN, or ULN Web site. |
/usr/X11R6/bin/Xvfb :1 -screen 0 1152x900x8 &
where :1 is the a display number not already in use.