Erro no nagios

Ae galera, estou usando de base:
https://under-linux.org/modules.php?...ticle&sid=4519 e
https://under-linux.org/modules.php?...ticle&sid=4415

Configurei os arquivos de forma mais simples e enxuta
Qdo tento subir o serviço, dá um erro:

Error: Template 'generic-host' specified in host definition could not be not found (config file '/etc/nagios/hosts.cfg', line 1)

O conteúdo do arquivos segue abaixo

cat hostgroups.cfg
# 'gwin2003' host group definition
define hostgroup{
hostgroup_name servidores
alias servers
contact_groups admin_win2003
members w3k
}

cat hosts.cfg
define host{
use generic-host
host_name nccserver
alias w3k
address 10.10.0.1
check_command check-host-alive
max_check_attempts 10
notification_interval 120
notification_period 24x7
notification_options d,u,r
}

cat contactgroups.cfg
define contactgroup{
contactgroup_name admin_2003
alias Administrador Win2003
members whinston
}

cat contacts.cfg
define contact{
contact_name whinston
alias whinston
service_notification_period 24x7
host_notification_period 24x7
service_notification_options w,u,c,r
host_notification_options d,u,r
service_notification_commands notify-by-email,notify-by-epager
host_notification_commands host-notify-by-email,host-notify-by-epager
email [email protected]
pager [email protected]ldomain
}