Install Redis on Gentoo Linux

Step 1 – Install Redis

emerge --ask dev-db/redis
rc-update add redis default
rc-service redis start

Step 2 – Verify

redis-cli ping
# Expected: PONG

Step 3 – Basic security (bind and password)

Edit /etc/redis.conf:

bind 127.0.0.1 ::1
requirepass StrongRedisPass!

Restart Redis.

Step 4 – Connect with password

redis-cli -a StrongRedisPass! ping

Step 5 – Basic data operations

redis-cli -a StrongRedisPass!
> SET mykey "hello"
> GET mykey
> SET counter 0
> INCR counter
> EXPIRE mykey 3600
> TTL mykey