==== Basic setup ====
aptitude install nagios-nrpe-server
''/etc/nagios/nrpe.cfg''
allowed_hosts=127.0.0.1,nagios.panelnet.cz,88.86.101.28
command[check_root]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /dev/md0
command[check_data]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /dev/md5
==== test ====
''/usr/lib/nagios/plugins/check_nrpe -H ets.panelnet.cz -c check_data''