Install VNC Server on Xubuntu

vino isn't integrated into xfce, which is same vnc server that gnome uses for remote desktop feature

1. install vino

sudo apt-get install vino

2. open the config window, totally as same as gnome's

vino-preferences

3. Application -> Settings -> Setting Manager -> Autostarted Apps -> Add -> Command:

/usr/lib/vino/vino-server

4. run vino-server from ssh session

export DISPLAY=:0


/usr/lib/vino/vino-server &


Run GUI programs with cron on Linux

you have to tell cron what display the program should use. For that you use:

export DISPLAY=:0


so you'll add the export variable like this:

* * * * * export DISPLAY=:0 && somecommand