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Question: How to install Redis on Ubuntu?

Answer

Redis is an in-memory data structure store that is commonly used for caching and real-time data processing. Installing Redis on Ubuntu is a straightforward process, and there are two ways to do it.

Method 1: Installing Redis from the Default Ubuntu Repository

This is the easiest and most convenient way to install Redis on Ubuntu. Here are the steps:

  1. Add the repository to the apt index, update it, and then install
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 sudo apt-get update

2.Install Redis by running the following command:

sudo apt install redis

3.Check if Redis is running by running the following command:

sudo systemctl status redis

The output should indicate that Redis is active and running.

Method 2: Installing Redis from Source

This method involves compiling Redis from source code, which can be more complex than installing it from a package manager but gives you more control over the installation process. Here are the steps:

1.Install the build-essential and tcl packages by running the following command:

sudo apt install build-essential tcl

2.Download the latest stable Redis source code from the official website using the following command:

wget http://download.redis.io/redis-stable.tar.gz

3.Extract the downloaded tarball using the following command:

tar xzf redis-stable.tar.gz

4.Navigate into the extracted directory using the following command:

cd redis-stable

5.Compile Redis using the following command:

make

6.Test the compiled Redis binary using the following command:

make test

7.Install Redis using the following command:

sudo make install

8.Configure Redis to start automatically on system boot using the following command:

sudo systemctl enable redis

9.Check if Redis is running by running the following command:

sudo systemctl status redis

The output should indicate that Redis is active and running.

That's it! You should now have Redis up and running on your Ubuntu machine.

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