Redis Cheat Sheet

Redis is one of the fastest in-memory databases used for caching, session storage, queues, real-time analytics and high-performance applications. This cheat sheet covers installation, commands, monitoring, persistence and optimization techniques.

In This Guide

✓ Redis Installation

✓ Basic Commands

✓ Key Management

✓ Expiration & TTL

✓ Persistence

✓ Monitoring

✓ Performance Tuning

✓ Troubleshooting

Install Redis

sudo apt update
sudo apt install redis-server -y

sudo systemctl start redis-server
sudo systemctl enable redis-server

sudo systemctl status redis-server

Connect To Redis

redis-cli

redis-cli -h localhost -p 6379

Basic Commands

PING

SET username cloudrevol

GET username

DEL username

EXISTS username

KEYS *

Expiration & TTL

SET session_id abc123 EX 3600

TTL session_id

EXPIRE session_id 600

Hash Commands

HSET user:1 name "John"

HGET user:1 name

HGETALL user:1

List Commands

LPUSH jobs task1

RPUSH jobs task2

LRANGE jobs 0 -1

Set Commands

SADD users user1

SMEMBERS users

SCARD users

Persistence

SAVE

BGSAVE

LASTSAVE

Backup Redis

cp /var/lib/redis/dump.rdb backup.rdb

tar -czvf redis-backup.tar.gz /var/lib/redis

Monitoring Commands

INFO

INFO memory

INFO stats

MONITOR

CLIENT LIST

DBSIZE

Memory Optimization

CONFIG GET maxmemory

CONFIG SET maxmemory 2gb

CONFIG SET maxmemory-policy allkeys-lru

Troubleshooting

redis-cli ping

redis-cli info memory

redis-cli slowlog get

sudo journalctl -u redis-server -f

sudo systemctl restart redis-server

Redis Security Best Practices

✓ Enable Authentication
✓ Restrict Public Access
✓ Use Firewall Rules
✓ Enable TLS/SSL
✓ Monitor Connections
✓ Regular Backups
✓ Update Redis Frequently

CloudRevol Redis Optimization

CloudRevol optimizes Redis deployments for high-performance applications, caching layers, session management and enterprise workloads.

🚀 Memory Optimization

⚡ Cache Tuning

📈 Monitoring

🛡 Security Hardening

💾 Backup Strategy

🔄 High Availability

Need Help Optimizing Redis?

CloudRevol provides managed cloud hosting, Redis optimization, monitoring, security hardening, database tuning and expert support.