先用xhell远程登录服务器，执行以下命令
编辑xstartup文件： vi /home/zhenglf/.vnc/xstartup
#!/bin/sh
# Uncomment the following two lines for normal desktop:
# unset SESSION_MANAGER
# exec /etc/X11/xinit/xinitrc
[ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup
[ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources
xsetroot -solid grey
vncconfig -iconic &
x-terminal-emulator -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" &
#x-window-manager &
gnome-panel &
gnome-settings-daemon &
metacity &
nautilus &
gnome-terminal &vncserver -kill :39
vncserver -geometry 1920x1080 :39
1920x1080为客户端屏幕分辨率