nagios check_tcp与check_udp详解

check_tcp：监控服务端口

用法： check-tcp -H host -p port [-w  <warning time>] [ -c <critical time>] [-s <send string>]

check_tcp -H 192.168.1.2 -p 80 检测主机的http服务

check_udp：监控服务端口

用法： check-udp -H host -p port [-w  <warning time>] [ -c <critical time>] [-s <send string>]

check_udp -H 192.168.1.2 -p 53 检测主机的dns服务

基本用法差不多利用端口去检测服务的状态