502 Bad Gateway automatic restart script

A simple script to monitor 502, and if it encounters 502, automatically restarts the PHP process. Suitable for LNMP environments.

The following files are stored in/root or other directories:

#!/bin/bash

MY_URL="http://www.tarena.com.cn/"

RESULT=`curl -I $MY_URL|grep"HTTP/1.1 502"`

if[ -n "$RESULT"]; then

/etc/init.d/php-fpm restart

fi

Give executable permission:

chmod+x /root/php.sh

Auto-run with crontab settings:

crontab-e

* * * * * /root/php.sh

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502 Bad Gateway automatic restart script