Installing Redis

Redis can be installed on virtually any system. This covers Linux, Docker, and cloud platforms.

Docker Installation (Recommended)

# Pull and run Redis with persistence
docker run -d \
  --name redis \
  -p 6379:6379 \
  -v redis-data:/data \
  redis:alpine redis-server --appendonly yes

# Connect to Redis
docker exec -it redis redis-cli

# With RedisInsight GUI
docker run -d \
  --name redis-stack \
  -p 6379:6379 \
  -p 8001:8001 \
  redis/redis-stack:latest

# Access GUI at http://localhost:8001

Ubuntu/Debian Installation

# Install Redis
sudo apt update
sudo apt install redis-server -y

# Enable and start
sudo systemctl enable redis-server
sudo systemctl start redis-server

# Test
redis-cli ping
# PONG

Configuration

# /etc/redis/redis.conf

# Network (security!)
bind 127.0.0.1

# Password
requirepass YourSecurePassword123!

# Memory limit
maxmemory 256mb
maxmemory-policy allkeys-lru

# Persistence
appendonly yes

PHP Connection

<?php
// Install: composer require predis/predis

require 'vendor/autoload.php';

$redis = new Predis\Client([
    'scheme' => 'tcp',
    'host'   => '127.0.0.1',
    'port'   => 6379,
    'password' => 'YourSecurePassword123!'
]);

echo $redis->ping(); // PONG

$redis->set('name', 'John');
echo $redis->get('name'); // John

Verify Installation

# Check version
redis-server --version

# Server info
redis-cli INFO server

# Memory usage
redis-cli INFO memory

# Monitor commands
redis-cli MONITOR

Useful Resources

• 📚 Official Installation Guide
• 🐳 Redis Docker Hub