Tightvnc crash in Ubuntu often

use vnc4server instead of vncserver

~$ sudo apt-get install vnc4server

keyboard mapping problem on Tight VNV for Ubuntu

In VNC’s xstartup file:  $HOME/.vnc/xstartup
You have to add the line export XKL_XMODMAP_DISABLE=1 before /etc/X11/Xsession or gnome-session (in case you use GNOME)

vncserver

vncserver :1 -geometry 1270x940 --適合19" monitor
vncserver -kill :1 --kill vnc server process
vncpasswd --設定vnc password