Simple Service port detection and alarm

1. Configure smtp information for the server

vim /etc/mail.rcset from=XXX@XXX.com smtp=smtp.xxx.com smtp-auth-user=XXX@XXX.com smtp-auth-password=xxxxx smtp-auth=login

Ii. service_check.sh check script content

#!/bin/bashfor port in 80 3306 10050 10022; doif `netstat -tnlp |grep $port &> /dev/null` ; then   if `tail -4 /root/lee/service_status.log |grep "$port failed" &> /dev/null` ;thenecho "`date +%F-%H:%M:%S` [`hostname`] `/sbin/ifconfig eth0 |grep "inet addr" |awk '{split($2,a,":"); print a[2]}'` [$port recovery]"> /root/lee/mail_content.txtmail -s "$port recovery" XXXXXXXXXX@139.com < /root/lee/mail_content.txt   fiecho "`date +%F-%H:%M:%S` $port no problem" >> /root/lee/service_status.logelseecho "`date +%F-%H:%M:%S` $port failed................"  >> /root/lee/service_status.logecho "`date +%F-%H:%M:%S` [`hostname`] `/sbin/ifconfig eth0 |grep "inet addr" |awk '{split($2,a,":"); print a[2]}'` [$port down]"> /root/lee/mail_content.txtmail -s "$port failed" XXXXXXXXXXXX@139.com < /root/lee/mail_content.txtfidone

Alarm Mechanism Description: If the port does not exist, a message is sent. After the port returns to normal, a recovery message is sent for confirmation.

3. Add scheduled tasks

*/5 * * * *  sh /root/lee/service_check.sh

Iv. Test

Manually disable the mysqld service

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You will receive a text message or text message later.

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Manually enable the mysqld service

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There will be a recovery receipt in 5 minutes

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5. The script content is already included in the attachment. You can test it by yourself.

This article from the "Sun Xiang" blog, please be sure to keep this source http://leezqang.blog.51cto.com/1525874/1301577