Nagios Support Forum

Tested sendmail commandline and received message.

Rebooted a monitored device. Registered device down/up in event log. However in notifications, there was nothing registered. Below is mailq output.

Hello, We receive no email alert notifications when hosts/services are down. We have tried sendmail/smtp option under email settings. We have tried Google SMTP relay as well as external SMTP server. In both instances, we receive the test notification successfully. However, no email alerts are receiv...

Hello,

The link worked and the issue is resolved. GCC package had to be upgraded but once done, the instructions worked perfectly.

Many thanks.

Hello, The system is: Nagios XI Version : 5.4.0 2.6.32-642.13.1.el6.i686 i686 CentOS release 6.8 (Final) Gnome Installed I was looking at the log and below is last few lines if its any indicative: [1484863769] Nagios 4.2.4 starting... (PID=19477) [1484863769] Local time is Thu Jan 19 17:09:29 EST 20...

Performed upgrade from 2012R2.9 to NagiosXI 5.4.0 and now the monitoring engine is not running. If you click on restart, it says command submitted successfully. Audit log has no logged errors. The engine does not start.

Any help would be very appreciated.

Thank you.
Lansol