I got the following error in configuring an exim mailqueue checking nrpe command
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/usr/local/nagios/libexec/check_nrpe -H <ip>  -c check_eximmailqueue
must have a tty to run sudo
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This is actually not an error.But a setting in sudo configuration that sets a tty requirement for doing a sudo.
And the error condition is caused because the check command is trying to do [...]

Recently i undertook a project to setup Instant Messenger alerts from nagios .
Nagios is highly configurable.Once we understand the elegant nature in which nagios works and get configured ,extending nagios to send IM alerts is quite childs play .Thanks to many user contributed scripts that allow you to connectto many Instant Messaging Gateways. I used [...]