I have nagios 3 running on Ubuntu 10.4 and I get a weird email sometimes.
** PROBLEM Host Alert: localhost is DOWN **
***** Nagios *****
Notification Type: PROBLEM Host: localhost State: DOWN Address: 127.0.0.1 Info: (Return code of 127 is out of bounds - plugin may be missing)
Date/Time: Thu Aug 19 15:00:43 EDT 2010
Today it happened at 9:00, 11:00, 13:00 and 15:00 exactly. So there must be something running at these times to cause it, but there's nothing weird in the root crontab and nothing at all in the nagios crontab. Additionally there's no error showing in the nagios website. Anyone see this before?
here's my localhost.cfg: http://friendpaste.com/6bkUfWfGVI93Z5caJo6uGS