Redis - Connect with CLI

Connect to your Public Cloud Databases for Redis using the Command Line Interface (CLI)

Last updated 24th March 2022


Public Cloud Databases allow you to focus on building and deploying cloud applications while OVHcloud takes care of the database infrastructure and maintenance in operational conditions.

This guide explains how to connect to a Redis database instance with a Command Line Interface (CLI).



A Redis instance can be managed through multiple ways.
One of the easiest, yet powerful, is to use a Command Line Interface (CLI), also known as a Console or Terminal. To interact correctly with the Redis instance, we need to first install something called a Redis client, in order to connect and control the Redis service remotely.
It's a Client-Server interaction.


Installing redis-cli on your client

Please note that redis-cli is natively integrated in the redis package.

You first need to install a software to interact with your Redis instance remotely. This official software can be installed on various supports like your own computer, a VPS, a virtual machine... The only rule is to be able to reach the public network (Internet) and have sufficient privilege to install it.

In order to do so and depending on your configuration, you may need to follow the official Redis documentation to install redis-cli, part of the redis server package :

We are now ready to learn how to connect to our Redis instance.


We will now follow the official Redis documentation to perform our first connection.

In your terminal, type redis-cli -u rediss://<username>:<password>@<hostname>:<port> ping.

The result should look like this :

laptop$ redis-cli -u rediss:// ping
Warning: Using a password with '-a' or '-u' option on the command line interface may not be safe.

It means that the Redis instance is running and responding to your command.

To be in interactive mode, do not use any particular command : redis-cli -u rediss://<username>:<password>@<hostname>:<port>.

If you want to avoid to type username and password in your shell session, type: redis-cli -u rediss://<username>:<password>@<hostname>:<port> to connect to the Redis instance then use the AUTH <username> <password> command to switch to your user that have minimum privileges to run other commands.

Don't forget you need to modify the username, password, hostname and port.

In our example, it will look like this :

laptop$ redis-cli -u rediss://    
Warning: Using a password with '-a' or '-u' option on the command line interface may not be safe.> PING
 1) "server"
 2) "redis"
 3) "version"
 4) "6.2.3"
 5) "proto"
 6) (integer) 2
 7) "id"
 8) (integer) 20652
 9) "mode"
10) "standalone"
11) "role"
12) "master"
13) "modules"
14) (empty array)>

Congratulations! You are now fully able to interact with your Redis instance!

redis-cli usage

With the Redis command line interface, you can manage your Redis instance either in an interactive mode or your command is sent as redis-cli arguments.

Please follow the official Redis redis-cli documentation.

In the event of connection or command execution issues

In case you don't use a defined user in your command line or not enough privileges, etc., you will get a NOAUTH or AUTH failed response like below.

redis-cli -u rediss:// ping
(error) NOAUTH Authentication required.

In case the user doesn't have the right privilege, you will get a NOPERM response. In this case, please review your user's roles and attached ACL. For further reading, please refer to Official Redis ACL documentation

Go further

Redis capabilities and limitations

Configuring vRack for Public Cloud

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