sudo service redis-server start

redis-cli

auth [username] [password]

set name dhananjay # set key value
set age 23         # get key

get name  # "dhananjay"
get age   # "23"
flushall # to clear the complete database
clear # to clear the terminal

setex name 20 dhananjay # setex key seconds value
ttl name   # ttl: time to live (in sec.)
get name
flush all


hset person name dhananjay age 23
hget person name # "dhananjay"
hget person age  # "23"

expire person 20 # expire key seconds
ttl person

hgetall person # name dhananay age 23

sudo nano /etc/redis/redis.conf

sudo redis-server /etc/redis/redis.conf