1.端口
本地：ss.netstat,lsof
远程：telnet,nmap.nc
2.本地进程数
3.header(http,curl),模拟用户的方式
4.URL(wget,curl).模拟用户的方式
5.php,java写监控的程序，模拟用户的方式(让开发提供)
范例判断条件
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[root@XCN ~]
# lsof -i :80|wc -l #本地端口
2
[root@XCN ~]
# nmap 127.0.0.1 -p 80 #远程端口
Starting Nmap 5.51 ( http:
//nmap
.org ) at 2017-06-28 14:13 CST
Nmap scan report
for
localhost (127.0.0.1)
Host is up (0.000080s latency).
PORT STATE SERVICE
80
/tcp
open
http
Nmap
done
: 1 IP address (1 host up) scanned
in
0.05 seconds
[root@XCN ~]
# nmap 127.0.0.1 -p 80|wc -l
8
[root@XCN ~]
# nmap 127.0.0.1 -p 80|grep open|wc -l
1
[root@XCN ~]
# ps -ef|grep nginx |wc -l #进程
12
[root@XCN ~]
# culr -I -s -w "%{http_code}" -o /dev/null 127.0.0.1
200
#curl
[root@XCN ~]
# wget --spider --timeout=10 --tries=2 127.0.0.1 &>/dev/null
[root@XCN ~]
# echo $? #wget看返回值
0
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案例shell
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#!/bin/bash
http_code=`culr -I -s -w
"%{http_code}"
-o
/dev/null
127.0.0.1`
if
[ $http_code -
ne
200 ]
then
echo
"web is erro"
else
echo
"web is ok"
fi
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本文转自 baishuchao 51CTO博客，原文链接:http://blog.51cto.com/baishuchao/1942710
