[kwlug-disc] Prometheus for multiple server monitoring?

[Jonathan Poole]

The whole stack works well Prometheus alert manager and Grafana for visualization and trend analysis along with customized alerting.  Basically you’ll get a tool for metric gathering, a database(data source for Grafana) and alert manager where you can find, query, select, and alert on whatever you need to alert on.  It’s nagios on drugs.  


Sent from my iPhone

> On May 12, 2026, at 11:26 PM, John Sellens <jsellens at syonex.com> wrote:
> 
> I'm a stick in the mud, but I still use nagios.
> 
> Coincidentally, I was musing today, just a few hours ago, that nagios
> core hasn't changed that much in over 20 years.  I think Ethan's work
> has held up pretty well.
> 
> I like that the configs are all in git, and can be automated if one is
> inspired/dedicated enough.
> 
> Yes, the web interface is "traditional".
> 
> "Everyone" says "nagios sucks, prometheus rocks".  I look periodically,
> and always find prometheus to appear to be so complicated, so many parts
> to it.  Maybe I'm just too used to my own particular hell.
> 
> Lots of people seem to like zabbix, which I haven't looked at at all in
> a long long time.
> 
> I also get the impression that prometheus is focused on metrics and
> history, rather than events/alerts (up/down/slow).  In the old days,
> nagios for events, and mrtg/cacti/cricket for graphs (for which I mostly
> use collectd and friends recently).
> 
> I think about switching every once in a while, and then think that it
> seems like a lot of work.
> 
> 
> Cheers
> John
> 
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