Nagios Support Forum

The basic way to check if chronyd is running via UDP is to use check_udp -H <IP> -p 123. The Network Time Protocol (NTP) uses port 123, so this confirms the service is listening on that port.

You need to check the permissions on your NFS mount point on the Nagios server. If the user running the Nagios service doesn't have read access to the snapshot files, the web interface won't be able to list them, even if the share is mounted. Verify the file ownership and permissions for the reposit...

Yeah, you can monitor ECS in Nagios XI, but don't expect it to be easy. It's CloudWatch API access, period. You have to script the whole thing to pull Task/CPU/Memory. Seriously, the IAM setup alone will make you question your career choices. If the API structure feels like gibberish, just get some ...

You’re likely hitting performance, not license, limits, XI scales better with distributed setups.

Missing libvmaf.so.1 is your culprit, report rendering via Chromium is failing before it can even start.

Sometimes it’s not even the gateway, it’s just the number you’re using that silently blocks things. I’ve used a virtual number from https://anonymsms.com before just to check if the SMS is going out at all. Helped me figure out if the issue was on my side or theirs.

If it works from CLI, it's almost definitely a GUI config issue.

Yep, sub-minute intervals are tricky to pull off cleanly.

RIP to the “Load Dashboard” button. Gone but not forgotten. May your JSONs someday load again without CLI sorcery.