How do I use redis in node.js?

Question

I am trying to use redis using this segment of code:

const redis = require('redis');
const client = redis.createClient();

I am getting the following error:

events.js:174
  throw er; // Unhandled 'error' event
  ^

Error: Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED 127.0.0.1:6379
at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1097:14)

You need to run a redis server on your machine to be able to connect to it from javascript. — tkausl
– tkausl, Commented Apr 4, 2019 at 0:38
I did redis-server but the command is not recognized. What am I supposed to do? — koque
– koque, Commented Apr 4, 2019 at 0:38

MrfksIV · Accepted Answer · 2019-04-04 06:22:03Z

1

You will need to first install redis on your system. To do so, follow the instructions here.

Then run the following command in your command prompt/terminal:

redis-server

If you want to run redis in the background without having to start it everytime, then you can use:

redis-server --daemonize yes

You can check if your server is running by using the command:

redis-cli set a 3 & redis-cli get a

If this works then your redis server has started successfully. After this, your previous code should be able to connect to the redis-server provided the server is running on the default port (6379).

answered Apr 4, 2019 at 6:22

MrfksIV

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2 Comments

MrfksIV Over a year ago

what OS are you using? Have you installed redis successfully? Maybe it is just a matter of adding the redis-path in your .bashrc/PATH variable

koque Over a year ago

That seems to work. I had downloaded redis using npm but it has to be downloaded as a Window service using msi. If you would like to write out your answer I will be glad to check it. There are tons of the same question on StackOverflow with no correct answer.

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