How To Install redis-server on Ubuntu 20.04

In this tutorial we learn how to install redis-server on Ubuntu 20.04. redis-server is Persistent key-value database with network interface

Introduction

In this tutorial we learn how to install redis-server on Ubuntu 20.04.

What is redis-server

redis-server is:

Redis is a key-value database in a similar vein to memcache but the dataset is non-volatile. Redis additionally provides native support for atomically manipulating and querying data structures such as lists and sets.

The dataset is stored entirely in memory and periodically flushed to disk.

There are three methods to install redis-server on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install redis-server Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install redis-server using apt-get by running the following command:

sudo apt-get -y install redis-server

Install redis-server Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install redis-server using apt by running the following command:

sudo apt -y install redis-server

Install redis-server Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install redis-server using aptitude by running the following command:

sudo aptitude -y install redis-server

How To Uninstall redis-server on Ubuntu 20.04

To uninstall only the redis-server package we can use the following command:

sudo apt-get remove redis-server

Uninstall redis-server And Its Dependencies

To uninstall redis-server and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove redis-server

Remove redis-server Configurations and Data

To remove redis-server configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge redis-server

Remove redis-server configuration, data, and all of its dependencies

We can use the following command to remove redis-server configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge redis-server

References

Summary

In this tutorial we learn how to install redis-server package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.