I've just started configuring Nagios from scratch, and I'm new at this. I've been getting this error after adding objects/printer.cfg Error: Could not find any hostgroup matching 'allhosts' (config ...
I have a Wheezy Debian system, and I've installed nagios3 using apt-get. When I go to myhost.com/nagios3 and then go to a page, for example "Tactical Overview" I get the error message: The ...
I have a client machine and a server; I configured nagios on client to send alert on server to monitor that everything is working fine but suddenly the client stops sending alerts to the server -- on ...