Redis is an open-source, in-memory data structure store that can be used as a database, cache, and message broker. In this guide, we will walk through the steps to install and configure Redis 6.0 on Debian 11.

Step 1: Update Your System

Start by ensuring your system is up to date:

sudo apt update && sudo apt upgrade -y

Step 2: Install Redis

Install Redis using the following command:

sudo apt install -y redis-server

Step 3: Configure Redis

Edit the Redis configuration file to set it up according to your requirements:

sudo nano /etc/redis/redis.conf

Here are some important settings to consider:

• Set the supervised directive to systemd:

supervised systemd

• Change the bind address to allow external connections (if needed):

bind 0.0.0.0

Step 4: Start and Enable Redis

Start the Redis service and enable it to run at startup:

sudo systemctl start redis
sudo systemctl enable redis

Step 5: Verify Redis Installation

Check the status of the Redis service to ensure it's running correctly:

sudo systemctl status redis

Step 6: Test Redis

Use the Redis CLI to test your installation:

redis-cli

Once in the CLI, run:

ping

You should receive a PONG response, indicating that Redis is working correctly.

Step 7: Secure Redis (Optional)

For security, you might want to set a password for Redis. Edit the Redis configuration file and add a password:

requirepass your_password

Replace your_password with a strong password of your choice.

Step 8: Restart Redis

After making changes to the configuration, restart the Redis service:

sudo systemctl restart redis

Conclusion

You have successfully installed and configured Redis 6.0 on Debian 11. This powerful in-memory database will help you manage data efficiently.

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