Cron with notify-send

Question

I need to show a notification from a cron job. My crontab is something like:

$ crontab -l
# m h  dom mon dow   command
  * *   *   *   *    Display=:0.0 /usr         


        

Answer 1

add DBUS_SESSION_BUS_ADDRESS ：

* * * * * DISPLAY=:0 DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus /usr/bin/notify-send 'helloworld..' 'msg...'