Nagios Support Forum

Thank you Scott. That was perfect. I am back in business with a good
Nagios Core web site again. The Home page shows the daemon is running,
and now pages such as tactical overview, hosts, services, all work again
with no "whoops" error. You guys rock!

BTW, the nagios.log which I have configured is in: /var/spool/nagios/nagios.log The nagios log under /usr/local/nagios/var is an oddity, and only contains these two lines with every start up: [1431088940] Error: Cannot open main configuration file '/' for reading! [1431088940] Error: Failed to proce...

This is Redhat 6.6, compiling from a tar file. apache user is in group nagcmd var contents... # ls -l /usr/local/nagios/var total 6840 drwxrwxr-x 2 nagios nagios 4096 Apr 1 2013 archives -rw-r--r-- 1 nagios nagios 34 May 8 15:49 nagios.configtest -rw-r--r-- 1 nagios nagios 6 May 8 15:49 nagios.lock ...

I'm getting the common error Whoops! Error: Could not read host and service status information! after upgrade from 3.5.1 to 4.0.8 The config test runs clean. The service starts up, and I see it logging some soft warnings on a few hosts, which is usual. I'm not seeing errors in the apache log about p...