Server ManagementIntermediate14 min

How to Install and Configure Redis Cache

Set up Redis in-memory data store for caching and improving application performance

Introduction

Redis is an in-memory data structure store used as a database, cache, and message broker. This guide covers installation and basic configuration.

Step 1: Install Redis

Install Redis server from the default repository.

sudo apt update
sudo apt install redis-server

Step 2: Configure Redis

Edit the Redis configuration file for production use.

sudo nano /etc/redis/redis.conf
# Set: supervised systemd
# Set: maxmemory 256mb
# Set: maxmemory-policy allkeys-lru

Step 3: Restart Redis

Restart Redis to apply configuration changes.

sudo systemctl restart redis-server
sudo systemctl enable redis-server

Step 4: Test Redis

Test Redis connection and basic operations.

redis-cli ping
# Should return: PONG

Step 5: Secure Redis

Set a password for Redis authentication.

sudo nano /etc/redis/redis.conf
# Uncomment and set: requirepass yourpassword
sudo systemctl restart redis-server

Conclusion

Redis is now installed and configured. You can use it to cache data and improve your application's performance.

#Redis#Cache#Performance#Database#Memory

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