[CentOS] VNCServer Startup Config

hi all,

I've inherited a server with CentOS 6.4

the VNC Server starts up with the OS and its screen resolution is set to
800x600.

I found that I can set the resolution by specifying the -geometry
switch, but I can't find where the call to start the vncserver is set in
order to change it.

I know that it's not in /etc/xinetd.d  (the only file there is rsync)

here are the contents of  ~/.vnc/xstartup

#!/bin/sh

[ -r /etc/sysconfig/i18n ] && . /etc/sysconfig/i18n
export LANG
export SYSFONT
vncconfig -iconic &
unset SESSION_MANAGER
unset DBUS_SESSION_BUS_ADDRESS
OS=`uname -s`
if [ $OS = 'Linux' ]; then
  case "$WINDOWMANAGER" in
    *gnome*)
      if [ -e /etc/SuSE-release ]; then
        PATH=$PATH:/opt/gnome/bin
        export PATH
      fi
      ;;
  esac
fi
if [ -x /etc/X11/xinit/xinitrc ]; then
  exec /etc/X11/xinit/xinitrc
fi
if [ -f /etc/X11/xinit/xinitrc ]; then
  exec sh /etc/X11/xinit/xinitrc
fi
[ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources
xsetroot -solid grey
xterm -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" &
twm &

any thoughts?  TIA

-- 
Igal Sapir
Railo Core Developer
http://getRailo.org/