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Redis Quick Setup Guide

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1. Installing Redis

For Ubuntu/Debian: 
sudo apt update && sudo apt install redis redis-tools
Verify Installation: 
redis-cli -h <redis_host> -p <redis_port> PING

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2. Managing Redis Service

sudo systemctl start redis    # Start Redis
sudo systemctl enable redis   # Enable Redis on boot
sudo systemctl status redis   # Check Redis status

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3. Configuring Redis

Edit Redis configuration file: 
sudo nano /etc/redis/redis.conf
  • Set a password: requirepass yourpassword
  • Change the bind address if needed.
Restart Redis after changes: 
sudo systemctl restart redis

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4. Flushing Redis Database

redis-cli FLUSHALL    # Flush all databases
redis-cli FLUSHDB     # Flush the current database

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5. Basic Redis Commands

redis-cli SET key "value"   # Set a key-value pair
redis-cli GET key           # Retrieve value of a key
redis-cli DEL key           # Delete a key
redis-cli KEYS *            # List all keys
redis-cli EXISTS key        # Check if a key exists
redis-cli TTL key           # Check time-to-live for a key
redis-cli INCR counter      # Increment a key's value
redis-cli DECR counter      # Decrement a key's value

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6. Installing RedisInsight (Redis GUI)

Download and install RedisInsight: 
wget https://downloads.redisinsight.redis.com/latest/redisinsight-linux64.tar.gz
mkdir redisinsight && tar -xvzf redisinsight-linux64.tar.gz -C redisinsight
cd redisinsight && ./redisinsight
Access RedisInsight via browser at http://localhost:8001 and connect to your Redis instance.

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Conclusion

Redis is now set up and ready to use. You can manage it via CLI or RedisInsight for a GUI-based experience.