Hi,
1) Find the base graph you want, e.g. the cpu "load average" graph for > one of your hosts.
2) In your browser, right-click the graph and select "view image" or
"open image". You now have a view of your load graph only.
3) In the adress bar field you'll see the URL for this image. E.g.
http://www.hswn.dk/hobbit-cgi/hobbitgraph.sh?host=voodoo.hswn.dk&service=la&graph_width=576&graph_height=120&disp=voodoo%2ehswn%2edk&nostale&graph=hourly&action=view
Now, you can add more hosts after the "host=..." part of the URL - > just list all of your hosts separated by commas. Like
http://www.hswn.dk/hobbit-cgi/hobbitgraph.sh?host=voodoo.hswn.dk,fenris.hswn.dk&service=la&graph_width=576&graph_height=120&disp=voodoo%2ehswn%2edk&nostale&graph=hourly&action=view
Looks like i just try with a frsh up install of 4.1.2 server & client. (rrd 1.2)
The graph just show me the trends of the first host in the url. Title
graph is multi-host CPU load but show me only one blue line..
(hobbit-cgi/hobbitgraph.sh?host=sms-web01b.sms33.cvf,sms-web02b.sms33.cvf&service=la&graph_width=576&graph_height=120&first=1&count=1&disp=sms%2dweb01b%2esms33%2ecvf&graph=hourly&action=view)
Regards
Etienne