Monitorix
From James's Wiki
how to install on RPI
wget "http://www.monitorix.org/monitorix_3.10.0-izzy1_all.deb"
sudo dpkg -i monitorix_3.10.0-izzy1_all.deb
sudo apt --fix-broken install
sudo apt-get install apache2
how to install on RPI
wget "http://www.monitorix.org/monitorix_3.10.0-izzy1_all.deb"
sudo dpkg -i monitorix_3.10.0-izzy1_all.deb
sudo apt --fix-broken install
sudo apt-get install apache2