PRTG
https://kb.paessler.com/en/topic/503-how-can-i-use-graphs-from-prtg-in-other-web-pages
Cacti
https://forums.cacti.net/viewtopic.php?f=21&t=42714
PRTG
https://kb.paessler.com/en/topic/503-how-can-i-use-graphs-from-prtg-in-other-web-pages
Cacti
https://forums.cacti.net/viewtopic.php?f=21&t=42714