An xfce panel plugin to display the necessary information of the system.
For Debian or Ubuntu users.
sudo apt-get install xfce4-panel-dev libgtk2.0-dev libxfce4ui-1-dev
sudo make all
sudo make uninstall
Have tested on Debian8.
xfce4-system-monitor by d0u9 is licensed under a GNU General Public License, version 2.