How to install Redis on Ubuntu

Looking to speed up your applications? Redis is a powerful in-memory data store used for caching, sessions, queues, and real-time features. In this guide, we’ll install and configure Redis step by step.

---

What Redis Is Used For

• Cache database queries (faster websites)

• Store user sessions

• Build real-time features (chat, notifications)

• Handle background jobs (queues)

• Temporary storage (carts, game states)

---

Requirements

• Linux VPS (Ubuntu 20.04+ recommended)

• SSH access with sudo privileges

• ~10 minutes

---

Step 1: Update Your System

sudo apt update

(Optional)

sudo apt upgrade -y

---

Step 2: Install Redis

Ubuntu / Debian

sudo apt install redis-server -y

CentOS / RHEL 8+

sudo dnf install redis -y

CentOS / RHEL 7

sudo yum install epel-release -y
sudo yum install redis -y

---

Step 3: Start and Enable Redis

sudo systemctl start redis
sudo systemctl enable redis
sudo systemctl status redis

---

Step 4: Test Redis

redis-cli
ping

Expected output:

PONG

---

Step 5: Secure and Configure Redis

sudo cp /etc/redis/redis.conf /etc/redis/redis.conf.backup
sudo nano /etc/redis/redis.conf

Recommended changes:

bind 127.0.0.1 ::1
requirepass YourStrongPassword123!
maxmemory 256mb
maxmemory-policy allkeys-lru

---

Step 6: Restart Redis

sudo systemctl restart redis

---

Done 🎉

Redis is now ready to use.