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Connecting with redis-cli

This guide explains how to establish a connection between redis-cli and a Redis database instance. It walks through the necessary setup, configuration, and execution of a simple Redis command from the terminal.

Variables

Certain parameters must be provided to establish a successful connection to a Redis database. Below is a breakdown of each required variable, its purpose, and where to find it. Here’s what each variable represents:

Variable

Description

Purpose

HOST

Redis hostname, from the Elestio service overview page

The address of the server hosting your Redis instance.

PORT

Port for Redis connection, from the Elestio service overview page

The network port used to connect to Redis. The default port is 6379.

PASSWORD

Redis password, from the Elestio service overview page

The authentication key required to connect securely to Redis.

These values can usually be found in the Elestio service overview details as shown in the image below, make sure to take a copy of these details and use them in the command moving ahead.

Screenshot 2025-05-19 at 12.23.05 PM.jpg

Prerequisites

Install redis-cli

Check if redis-cli is installed by running:

redis-cli --version

If not installed, you can install it via:

  • macOS:

brew install redis

  • Ubuntu/Debian:

sudo apt install redis-tools

  • Windows:

    Use Windows Subsystem for Linux (WSL) or download a Redis CLI binary.

Command

Once all prerequisites are set up, open the terminal or command prompt and run the following command:

redis-cli -h HOST -p PORT -a PASSWORD

Replace HOST, PORT, and PASSWORD with the actual values from your Elestio Redis service. If the connection is successful, the terminal will display a Redis prompt like this:

HOST:PORT>

You can then run a simple command to test the connection:

set testKey "Hello Redis"
get testKey

Expected output:

"Hello Redis"

If the connection is successful, the terminal will display output similar to:

"Hello Redis"
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