RealVNC - Native X display support

RealVNC - Native X display support, use TigerVNC, not TightVNC

1.
Check /usr/X11R6/lib/modules/extensions/vnc.so
in file XF86Config

  Section "Module"
          ...
          Load "vnc"
  EndSection

  Section "Screen"
          ...
          Option "SecurityTypes" "VncAuth"
          Option "UserPasswdVerifier" "VncAuth"
          Option "PasswordFile" "/root/.vnc/passwd"
  EndSection

2.
x0vncserver -AlwaysShared -PasswordFile /root/.vnc/passwd

3. start a standalone vnc server
vncserver -geometry 1600x1200 -depth 24 -dpi 100 -alwaysshared