[root@zabbix04 ~]# curl -I -m 10 -o /dev/null -s -w %{http_code} http://192.168.10.40
200[root@zabbix04 ~]#
[root@zabbix04 ~]# curl -I -m 10 -o /dev/null -s -w %{http_code}"\n" http://192.168.10.40
200
[root@zabbix04 ~]# curl -I -m 10 -o /dev/null -s -w %{http_code} http://192.168.10.40
200[root@zabbix04 ~]#
[root@zabbix04 ~]# curl -I -m 10 -o /dev/null -s -w %{http_code}"\n" http://192.168.10.40
200