How to start/stop/restart/reload php-fpm on Ubuntu/Debian Linux

For PHP 7.x

sudo service php7.x-fpm start
sudo service php7.x-fpm stop
sudo service php7.x-fpm restart <- restart it
sudo service php7.x-fpm reload <- Reload configuration without start

For PHP 8.x

sudo service php8.x-fpm start
sudo service php8.x-fpm stop
sudo service php8.x-fpm restart <- restart it
sudo service php8.x-fpm reload <- Reload configuration without start