Redis, which stands for Remote Dictionary Server, is a key-value data store that is fast and open source. Strings, lists, maps, sets, sorted sets, HyperLogLogs, bitmaps, streams, and spatial indices are all supported by Redis. This article will show you how to install Redis in a Ubuntu system. Other similar guides can be found here: How to install Unison on a Linux System and How To Install Nextcloud on a Linux system and How to upgrade from Ubuntu 20.04 LTS to 22.04 LTS and How to Install MongoDB on a Linux System and How to install Gradle on Ubuntu
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Benefits of Redis
- Performance: Redis data is entirely stored in memory, allowing for low latency and high throughput data access. In-memory data stores, as opposed to traditional databases, do not require a trip to disk, reducing engine latency to microseconds. As a result, in-memory data stores can support orders of magnitude more operations and respond much faster. As a result, read and write operations take less than a millisecond on average, with support for millions of operations per second.
- Open source: Redis is an open source project with a thriving community Since Redis is open standards-based, supports open data formats, and has a diverse set of clients, there is no vendor or technology lock-in.
- High availability and scalability: Redis provides a primary-replica architecture with either a single node primary or a clustered topology. This enables you to create highly available solutions with consistent performance and dependability. When it comes to cluster size, there are several options for scaling up as well as scaling in or out. This allows your cluster to scale in response to your needs.
Redis packages are available in the majority of major Linux distributions, for this article, we will focus on Ubuntu 22.04
Prerequisites
- A linux machine preferably Ubuntu 22.04
- A user with sudo privileges
- If you’re installing a very basic distribution you will need lsb
Step1: install LSB
you can install lsb-release using this:
sudo apt install lsb-release
Step2: Add repo to apt index
Add the repository to the apt index,
curl -fsSL https://packages.redis.io/gpg | sudo gpg --dearmor -o /usr/share/keyrings/redis-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/redis.list
Step3: Update the apt index
this can be done with the command :
sudo apt-get updateStep3: install Redis
This can be done with the command :
sudo apt-get install redis
Step4: Alternative way to install Redis
Redis packages are available in the Snapcraft store and can be installed on operating systems that support snap.
sudo snap install redis
Summary
Redis is an in memory data store that is open source, highly available and scalable and it can be installed by following the series of steps above