How To Install Memcached on Ubuntu 18.04 LTS

Install Memcached on Ubuntu 18.04 LTS

In this tutorial we will show you how to install Memcached on Ubuntu 18.04 LTS. For those of you who didn’t know, Memcached is a system daemon that allows you to cache information on RAM memory, this allows you better app speeds and avoid bad performance on your dedicated or vps server. It is very useful for optimizing dynamic websites and enabled speed by caching objects in memory.

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 and assumes you are running in the root account, if not you may need to add ‘sudo’ to the commands to get root privileges. I will show you through the step by step installation Memcached on an Ubuntu 18.04 LTS (Bionic Beaver) server.

Install Memcached on Ubuntu 18.04 LTS Bionic Beaver

Step 1. First, make sure that all your system packages are up-to-date by running these following apt commands in the terminal.

Step 2. Installing Memcached.

Use following command to install memcached service on your ubuntu system:

To check the status of the service, enter the following command:

Step 3. Configuration Memcached.

Memcached can be configured by editing the /etc/memcached.conf file:

Change the settings, Example settings for 256MB caching:

Exit and save the configuration file, and then restart Memcached:

Step 4. Configure Firewall for Memcached.

Ubuntu comes with a firewall configuration tool called UFW. By default, UFW is installed but not enabled. Before enabling the UFW firewall first add a rule that will allow incoming SSH connections:

Step 5. Installing Memcached extension for PHP.

To use Memcached as a caching database for your PHP application such as WordPress or many more, You will also need to install required php extension for memcached:

Now, we can restart Apache so that the changes take place:

Congratulation’s! You have successfully installed Memcached. Thanks for using this tutorial for installing Memcached on Ubuntu 18.04 LTS  (Bionic Beaver) system. For additional help or useful information, we recommend you to check the official Memcached website.

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