How to Install Redis on Ubuntu

Redis is an in-memory data store used for caching, sessions, and message queues.

Install

apt update
apt install redis-server -y

Configure

Edit /etc/redis/redis.conf:

# Bind to localhost only
bind 127.0.0.1 ::1

# Set a password
requirepass YourSecurePassword

# Set max memory
maxmemory 256mb
maxmemory-policy allkeys-lru

Start

systemctl restart redis
systemctl enable redis

Test

redis-cli
AUTH YourSecurePassword
PING
SET hello world
GET hello