How To Install Redis on Ubuntu 14.04

In this tutorial, we will show you how to install Redis on Ubuntu 14.04. For those of you who didn’t know, Redis is an open-source, BSD licensed, advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets, and sorted sets. Redis also supports data types such as Transitions, Publish, and Subscribe. ‘Redis ’ is considered more powerful than ‘Memcache’. It would be smart to bring ‘Redis’ into practice and put ‘Memcache’ down for a while.

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple. I will show you the step-by-step installation of Redis on Ubuntu 14.04.

Prerequisites

• A server running one of the following operating systems: Ubuntu 14.04, and any other Debian-based distribution.
• It’s recommended that you use a fresh OS install to prevent any potential issues.
• SSH access to the server (or just open Terminal if you’re on a desktop).
• A non-root sudo useror access to the root user. We recommend acting as a non-root sudo user, however, as you can harm your system if you’re not careful when acting as the root.

Install Redis on Ubuntu 14.04

Step 1. First, add the Dotdeb repositories to your APT sources.

Create a new list file in /etc/apt/sources.list.d/ and fill it with the following content:

# /etc/apt/sources.list.d/dotdeb.org.list
deb http://packages.dotdeb.org squeeze all
deb-src http://packages.dotdeb.org squeeze all

Then you need to authenticate these repositories using their public key:

wget -q -O - http://www.dotdeb.org/dotdeb.gpg | sudo apt-key add -

Step 2. Install Redis using apt-get.

sudo apt-get update
sudo apt-get install redis-server

Enable Redis service to start on boot:

sudo service redis_6379 start
sudo service redis_6379 stop

Check if Redis is working.

The first thing to do in order to check if Redis is working properly is to send a PING command using redis-cli:

$ redis-cli ping
PONG
### If you get PONG in return that means redis server is working fine on server ###

Step 3. Install Redis PHP extension.

Redis provides a PHP extension to work with PHP. Here we will cover the installation of Redis Extension of PHP from source compilation and using apt the repository. The following command will install and set up the Redis extension with PHP:

sudo apt-get -y install php5-redis

Congratulations! You have successfully installed Redis. Thanks for using this tutorial for installing the Redis server on Ubuntu 14.04 system. For additional help or useful information, we recommend you to check the official Redis website.

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