Nagios 监控任意 tcp 端口

[root@localhost ~]# vim /usr/local/nagios/etc/objects/services.cfg 
define service {
    use                    generic-service    # 添加对22端口的监控
    host_name              web01
    service_description    ssh port
    check_command          check_tcp!22
}

define service {
    use                    generic-service    # 添加对80端口的监控
    host_name              web01
    service_description    http port
    check_command          check_tcp!80
}

[root@localhost ~]# /etc/init.d/nagios checkconfig
[root@localhost ~]# /etc/init.d/nagios reload