Open terminal and follow the steps :

1.mkdir redis && cd redis

2.curl -O http://download.redis.io/redis-stable.tar.gz

3.tar xzvf redis-stable.tar.gz

4.cd redis-stable

5.make

6. make test

7. redis-server

Note: When the server is started you will see the message below

Also, another way to test is via terminal

type command

redis-cli ping

you should see “PONG” message