Nagios: Could not stat () command file

If do you have error:

Error: Could not stat () command file ‘/var/lib/nagios3/rw/nagios.cmd’!

you can fix it:

/etc/init.d/nagios3 stop
dpkg-statoverride –update –add nagios www-data 2710 /var/lib/nagios3/rw
dpkg-statoverride –update –add nagios nagios 751 /var/lib/nagios3
/etc/init.d/nagios3 start