shell脚本检查网站是否正常

检查Web网站可用性的常见脚本

1. 法一

#!/bin/bash
...
function usage(){
echo $"usage:$0
exit 1
}

function check_url() {

wget --spider -q -o /dev/null --tries=1 -T 5 $1
if [ $? -eq 0 ]
then
echo "$1
exit 0
else
echo "$1
exit 1
fi
}
...

2. 法二

#!/bin/bash
...
. /etc/init.d/functions
num=`curl -I -m 5 -s -w "%{http_code}\n" -o /dev/null 192.168.100.141:8080`
if [ $num -eq 200 ]
then action "ok!" /bin/true
else action "failure" /bin/false
fi
...

3. 法三（推荐）
   主要测试命令

# 脚本判断
curl -s -o /dev/null www.url.com
# 人判断
curl

脚本片段：

#!/bin/bash
...
. /etc/init.d/functions
curl -s -o /dev/null 192.168.100.141:8080
if [ $? -eq 0 ]
then action "Web site access is normal" /bin/true
else action "Failure of website access" /bin/false
fi
...

4. 法四

#!/bin/bash
...
. /etc/init.d/functions
wget --spider -T 5 -q -t 2 192.168.100.141:8080

if [ $? -eq 0 ]
then action "Web site access is normal" /bin/true
else action "Failure of website access" /bin/false
fi
...