如何使用Linux检查网站是否向上/向下检查

发布于 2025-02-08 22:47:30 字数 414 浏览 1 评论 0原文

#!/usr/bin/bash
MYHOST="https://www.testwebsite.com"
#Check if Website is up or down
if wget -S $MYHOST 2>&1 | grep -w "200\|301\" > /dev/null
then
echo "Website is up"
else
#Website is down"
Send mail / mailx to send email

脚本可以发送电子邮件警报，如果网站关闭，但它会发送重复的电子邮件直到启动。

如何：

如果网站关闭，请发送电子邮件警报，但应仅发送一次警报。
如果已经启动，则应将电子邮件发送为UP。

网站上及以上的一封电子邮件。

原文

#!/usr/bin/bash
MYHOST="https://www.testwebsite.com"
#Check if Website is up or down
if wget -S $MYHOST 2>&1 | grep -w "200\|301\" > /dev/null
then
echo "Website is up"
else
#Website is down"
Send mail / mailx to send email

Script can send an email alert if website is down but it sends repeated emails until it is up.

How to:

Send an email alert if website is down but alert should be sent only once.
If it is up, email should be sent as up.

One email for website down and up.

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み零 2025-02-15 22:47:30

我认为，我将在一段时间内包装整个IF语句，并创建一个变量以指示是否发送了邮件

#!/usr/bin/bash
MYHOST="https://www.testwebsite.com" # website
sent=false # sent?

while true
do
  get=$(wget -S $MYHOST 2>&1 | grep -w "200\|301")
  if [ "$get" != "" ] # wget to the website
  then
    # website is up
    echo "Do Something"
  else
    # website is down
    if ! $sent # if the email hasn't been sent yet
    then
      mailx ...
      sent=true
    fi
  fi
done

In my opinion, I would wrap the whole if statement in a while and create a variable to indicate if the mail is sent

#!/usr/bin/bash
MYHOST="https://www.testwebsite.com" # website
sent=false # sent?

while true
do
  get=$(wget -S $MYHOST 2>&1 | grep -w "200\|301")
  if [ "$get" != "" ] # wget to the website
  then
    # website is up
    echo "Do Something"
  else
    # website is down
    if ! $sent # if the email hasn't been sent yet
    then
      mailx ...
      sent=true
    fi
  fi
done

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