A mashup of Zabbix, MRTG, SevOne, and NetBrain. Each have strengths and there's some overlap but with Zabbix and MRTG being FOSS it works out fine.

2500 miles of biking this year, about 2/3 of it helping to coach my son's #NICA mountain bike team.

Probably still safer than having multiple windows open when someone starts talking to you. Uh, which router did I commit that in?

I love that attitude! I can afford to buy books new but couldn't always. Used books (and libraries) are nice equalizers.