Zainstaluj NSClient++ na komputerze z Windowsem.
https://sourceforge.net/projects/nscplus/
Przy instalacji podaj IP serwera Nagios:

Dodaj konfigurację nowego komputera na serwerze Nagios.
touch /etc/nagios3/objects/windows/windowspc.cfg
vim /etc/nagios3/objects/windows/windowspc.cfg
define host{
use generic-host
host_name windowspc
alias My Windows Server
address 192.168.1.3
}
define service{
use generic-service
host_name windowspc
service_description NSClient++ Version
check_command check_nt!CLIENTVERSION
}
define service{
use generic-service
host_name windowspc
service_description Uptime
check_command check_nt!UPTIME
}
define service{
use generic-service
host_name windowspc
service_description CPU Load
check_command check_nt!CPULOAD!-l 5,80,90
}
define service{
use generic-service
host_name windowspc
service_description Memory Usage
check_command check_nt!MEMUSE!-w 80 -c 90
}
define service{
use generic-service
host_name windowspc
service_description C:\ Drive Space
check_command check_nt!USEDDISKSPACE!-l c -w 80 -c 90
}
define service{
use generic-service
host_name windowspc
service_description W3SVC
check_command check_nt!SERVICESTATE!-d SHOWALL -l W3SVC
}
define service{
use generic-service
host_name windowspc
service_description Explorer
check_command check_nt!PROCSTATE!-d SHOWALL -l Explorer.exe
}
https://www.tecmint.com/how-to-add-windows-host-to-nagios-monitoring-server/