nall is a utility to run your scripts ( for whatever ) every defined period. Here is description:

Description : Nall is a small gtk+ application that discretely fits into your freedesktop

system tray (such as trayer).

Its purpose is to spawn periodically every kind of script and display a

one-line output in the tooltip window. The main usage of nall is monitoring or

just notifying of almost everything (it just depends upon your imagination and

ability to script).

For installation :

sudo yum install nall

Once done, you can start from terminal as “nall” or create a autostart file “~/.config/autostart/nall.desktop” to start it automatically when you log in :

[Desktop Entry]
Type=Application
Exec=/usr/bin/nall
Hidden=false
NoDisplay=true
X-GNOME-Autostart-enabled=true
Name[en_US]=nall
Name=nall
Comment[en_US]=nall
Comment=nall

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