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How to Start, Restart, Stop and Reload PHP-FPM Service and Check service status and active PHP version on Ubuntu Linux Severs

Many web servers like Nginx, Apache and other, PHP-FPM is a FastCGI process manager for PHP. Sometimes we need to restart the server for various reasons: changing settings for example, and depending on what Linux we have on the server there are some variations in the commands used.

Use the following command for relevant tasks:

$ sudo systemctl start php7.4-fpm.service # start php-fpm
$ sudo systemctl stop php7.4-fpm.service # stop php-fpm
$ sudo systemctl restart php7.4-fpm.service # restart php-fpm
$ sudo systemctl reload php7.4-fpm.service # reload php-fpm

In order to check active php-fpm service status, please use below command and replace with relevant php version eg., php7.3-fpm.service 

$ sudo systemctl status php7.4-fpm.service

The examples are for php-fpm version 7.4, but for other versions you have to change the command to correspond to the installed / active version.
 

To find out the php version, use the following command:

$ php -version

(OR)

$ php -v

Then you will see the output as like the screenshot of active php version and it's showing as PHP 7.4.22.