Shutdown GTimer is a simple shutdown timer with GUI that can be controlled with your mouse and keyboard and can be installed in Ubuntu and other Gnome-based Linux distributions.
This timer allows to set your computer to shut down, hibernate, suspend, restart or log out at any given time of your choice (up to one week) as well as the possibility to run commands, scripts, and show messages with this program.
Here are the features that you can find in this application:
To install Shutdown GTimer (0.3.8) under Ubuntu, open the terminal and run the following commands:
wget -O gtimer-0.3.8.deb http://goo.gl/d46YX
sudo dpkg -i gtimer-0.3.8.deb