How to write a Shell script that monitors whether a website can be opened properly

This article introduces the relevant knowledge of "how to write a Shell script that monitors whether a website can be opened normally". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The code is as follows:

#! / bin/bash

PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin

Export PATH

# define url

WEB_URL= ("http://www.example.com"" http://www1.example.com"http://www2.example.com")"

# check network

NET_ALIVE=$ (ping-c 5 8.8.8.8 | grep 'received' | awk' BEGIN {FS= ","} {print $2}'| awk'{print $1}')

If [$NET_ALIVE = = 0]; then

Echo "Network is not active,please check your network configuration!"

Exit 0

Fi

# check url

For ((iTuno; iTunes ${# WEB_URL [@]}; + I))

{

ALIVE=$ (curl-o / dev/null-s-m 10-connect-timeout 10-w% {http_code} ${WEB_ URL [I]} | grep "000000")

If ["$ALIVE" = = "000000"]; then

Echo "${WEB_ URL [I]} 'can not be open,please check!" | mail-s "Website Notification to ${WEB_ URL [I]}" yourname@example.com

Echo "failed"

Else

Echo "${WEB_ URL [I]}'is OK!"

Fi

}

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