How to install Nagios on CentOS?
Services CFG
[root@yourmachine nagios] vim services.cfg
# Generic service definition template
define service{
name generic-service ; Generic service name
active_checks_enabled 1 ; Active service checks are enabled
passive_checks_enabled 1 ; Passive service checks are enabled/accepted
parallelize_check 1 ; Active service checks should be parallelized (Don’t disable)
obsess_over_service 1 ; We should obsess over this service (if necessary)
check_freshness 0 ; Default is to NOT check service ‘freshness’
notifications_enabled 1 ; Service notifications are enabled
event_handler_enabled 1 ; Service event handler is enabled
flap_detection_enabled 1 ; Flap detection is enabled
process_perf_data 1 ; Process performance data
retain_status_information 1 ; Retain status information across program restarts
retain_nonstatus_information 1 ; Retain non-status information across program restarts
register 0 ; DONT REGISTER THIS DEFINITION – NOT A REAL SERVICE, JUST A TEMPLATE!
}
# Generic for all services
define service{
use generic-service
name basic-service
is_volatile 0
check_period 24×7
max_check_attempts 15
normal_check_interval 10
retry_check_interval 2
notification_interval 0
notification_period none
register 0
}
define service{
use basic-service
name ping-service
notification_options n
check_command check_ping!1000.0,20%!2000.0,60%
register 0
}
define service{
use ping-service
service_description PING
contact_groups einsteins
hostgroup_name basic-clients,your-routers
# host_name one_client
}
# SMTP – ensure SMTP services are available.
define service{
use basic-service
name smtp-service
service_description SMTP
notification_interval 15
contact_groups einsteins
notification_options c,r
notification_period 24×7
check_command check_smtp
register 0
}
define service{
use smtp-service
hostgroup_name smtp-servers
# host_name one_client
}
