On Debian/Ubuntu, you can install the MuninGraphJS package after adding our repository to your server
Create a new file named /etc/apt/sources.list.d/debian.fournier38.fr.list with :
deb http://debian.fournier38.fr/ testing main
Then activate the new repository with the keys :
gpg --recv-keys E1074DE2C17876EF
gpg --armor --export C17876EF | sudo apt-key add -
sudo apt-get update
Then install MuninGraphJS :
sudo apt-get install muningraphjs
Download the source from https://svn.fournier38.fr/ProgSVN/release/muningraphjs/
Extract the files
Upload the files to your web server
You could configure a special file "conf.local" with the parameters :
<?php
$DATAPATH="/var/lib/munin";
$HTMLBASE="/muningraphjs";
$RRDCACHEADDRESS="unix:/var/run/rrdcached.sock";