installation:- 

sudo apt-get update

sudo apt install redis

redis-cli --version

sudo systemctl status redis

sudo vim /etc/redis/redis.conf

change the ip like:  bind 70.25.220.238 70.25.220.239



Compilation :-

gcc -o test test.c -I /usr/local/include/hiredis -lhiredis

export LD_LIBRARY_PATH=/usr/local/lib





Reference :- 
https://www.hostinger.com/tutorials/how-to-install-and-setup-redis-on-ubuntu/