How to install Redis Php extensions

This tutorial is a manual installation of redis php extension of PHP 8.1 under Ubuntu 22 server.

On your server terminal window, enter this command:

cd /tmp
wget https://pecl.php.net/get/redis-5.3.4.tgz

tar xf redis-5.3.4.tgz
cd redis-5.3.4

phpize

If you have this error phpize command not found:

Command 'phpize' not found, but can be installed with:
sudo apt install php8.1-dev  # version 8.1.2-1ubuntu2.2, or
sudo apt install php-dev     # version 2:8.1+92ubuntu1

simply install phpize with this command

sudo apt install php-dev

Run phpize again

phpize
./configure
sudo make install

Add redis to php

cd /etc/php/8.1/mods-available
sudo nano redis.ini

Paste this code, save and exit

extension=redis.so

Run phpenmod

sudo phpenmod redis

Check the changes

phpquery -v 8.1 -s apache2 -m redis

#redis (Enabled for apache2 by local administrator)

Restart apache

sudo service apache2 restart