How to Download Redash: A Guide for Data Lovers
If you are looking for a tool that can help you make sense of your data, connect to any data source, easily visualize and share your data, then you should consider Redash. Redash is a web-based data visualization and exploration platform that allows anyone, regardless of their level of technical sophistication, to harness the power of data. In this article, we will show you how to download Redash and use it to create stunning dashboards and reports.
What is Redash and why you should use it
Redash is a web-based data visualization and exploration platform
Redash is an open source project that was created by Arik Fraimovich in 2014. It was initially developed as an internal tool for his company, but soon gained popularity among other data enthusiasts. Today, Redash has over 23,000 stars on GitHub and is used by thousands of companies around the world, such as Mozilla, Atlassian, Cloudflare, Databricks, and more.
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Redash helps you make sense of your data by providing tools to democratize data access. You can connect and query your data sources, build dashboards to visualize data, and share them with your team or the public. You can also collaborate with other users on queries, visualizations, and dashboards, and get feedback from them.
Redash supports multiple data sources and integrations
One of the main advantages of Redash is that it supports a wide range of data sources, including SQL databases, NoSQL databases, Big Data platforms, cloud services, and APIs. You can query your data from different sources using SQL or other query languages, such as MongoDB or Elasticsearch. You can also integrate your data sources with other tools, such as Slack, Google Sheets, Zapier, or email.
Some of the data sources that Redash supports are:
PostgreSQL
MySQL
Redshift
BigQuery
MongoDB
Elasticsearch
Cassandra
Snowflake
Athena
Presto
Jira
Google Analytics
Facebook Ads
Stripe
JSON API
And many more...
Redash offers a user-friendly interface and powerful features
Redash has a simple and intuitive user interface that makes it easy to create queries, visualizations, and dashboards without requiring advanced technical skills. You can use the query editor to write queries with schema browser and auto-complete features. You can also create snippets and reuse them in other queries. You can use the visualization editor to create charts, tables, maps, pivot tables, funnels, cohorts, sankey diagrams, and more. You can also customize the appearance and layout of your visualizations using various options and settings. You can use the dashboard editor to create dashboards that display multiple visualizations in a single page. You can also arrange, resize, and filter your dashboard widgets according to your needs.
How to install Redash on your own server
Prerequisites for installing Redash
If you want to install Redash on your own server, you will need the following prerequisites:
A Linux server with at least 2 GB of RAM and 10 GB of disk space
Docker and Docker Compose installed on your server
A domain name or a public IP address for your server
A valid SSL certificate for your domain name or a self-signed certificate for testing purposes
Steps to install Redash using Docker and Docker Compose
Once you have the prerequisites ready, you can follow these steps to install Redash using Docker and Docker Compose:
Clone the Redash repository from GitHub to your server using the following command: git clone
Change the directory to the cloned repository using the following command: cd redash
Create a file named .env in the same directory using the following command: cp env.example .env
Edit the .env file using your preferred text editor and set the following variables: REDASH_COOKIE_SECRET: A random string that is used to secure cookies. You can generate one using this tool. REDASH_SECRET_KEY: A random string that is used to secure sessions. You can generate one using this tool. REDASH_HOST: The domain name or the public IP address of your server. REDASH_MAIL_SERVER: The SMTP server that is used to send emails from Redash. REDASH_MAIL_PORT: The SMTP port that is used to send emails from Redash. REDASH_MAIL_USE_TLS: Whether to use TLS encryption for SMTP or not. Set it to true or false. REDASH_MAIL_USERNAME: The username for the SMTP server. REDASH_MAIL_PASSWORD: The password for the SMTP server. REDASH_MAIL_DEFAULT_SENDER: The email address that is used as the sender for emails from Redash.
Create a file named docker-compose.override.yml in the same directory and add the following content: version: '2' services: server: environment: REDASH_WEB_WORKERS: 4 ports: - "80:5000" - "443:5000" volumes: - /path/to/your/certificate/file:/certs/server.crt:ro - /path/to/your/key/file:/certs/server.key:ro nginx: ports: - "80:80" - "443:443" links: - server:redash volumes: - /path/to/your/certificate/file:/etc/nginx/certs/server.crt:ro - /path/to/your/key/file:/etc/nginx/certs/server.key:ro volumes_from: - server command: /bin/sh -c 'sed -i "s/REDASH_HOST/$REDASH_HOST/g" /etc/nginx/conf.d/default.conf && nginx -g "daemon off;"'
Replace /path/to/your/certificate/file and /path/to/your/key/file with the actual paths to your SSL certificate and key files. This will enable HTTPS access to your Redash server.
Run the following command to start Redash using Docker Compose: docker-compose up -d
Wait for a few minutes until all the containers are up and running. You can check their status using the following command: docker-compose ps
You can now access your Redash dashboard by visiting You will see a setup page where you can create your admin account and log in.
How to access Redash dashboard and create your first query
After you log in to your Redash dashboard, you will see a welcome page with some tips and links to help you get started. You can also watch this video tutorial to learn the basics of Redash.
To create your first query, you need to add a data source first. You can do this by clicking on the Data Sources menu on the left sidebar and then clicking on the New Data Source button. You will see a list of supported data sources that you can choose from. You can also search for a specific data source using the search box. Once you select a data source, you will need to enter the connection details and test the connection. You can also give your data source a name and a description.
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Redash share dashboards: how to download and use it to share your insights with others
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Redash embed dashboards: how to download and use it to embed your dashboards in other websites or applications
Download redash for Excel, CSV, JSON or other file formats
After you add a data source, you can create a query by clicking on the Create menu on the left sidebar and then clicking on the New Query button. You will see a query editor where you can write your query using SQL or other query languages. You can also use the schema browser on the right side to explore the tables and columns in your data source. You can also use the auto-complete feature to help you write your query faster. Once you write your query, you can click on the Execute button to run it and see the results.
To create a visualization from your query results, you can click on the New Visualization button above the results table. You will see a visualization editor where you can choose from different types of charts, such as line, bar, pie, scatter, map, etc. You can also drag and drop fields from your results table to the visualization settings panel to customize your chart. You can also change the appearance and layout of your chart using various options and settings.
To create a dashboard from your visualizations, you can click on the Add to Dashboard button above the visualization editor. You will see a dashboard editor where you can choose an existing dashboard or create a new one. You can also drag and drop widgets from your visualizations to the dashboard layout panel to arrange them on your dashboard. You can also resize and filter your widgets according to your needs.
How to download or export query results from Redash
How to download a query result as a CSV, TSV, or Excel file
If you want to download or export your query results as a file, you can do this by clicking on the Download as button above the results table. You will see a dropdown menu where you can choose from different file formats, such as CSV, TSV, or Excel. You can also choose whether to include headers or not in your file. Once you select a file format, your file will be downloaded to your computer.
How to get the latest results via the API in JSON or CSV format
If you want to get the latest results of your query via the API, you can do this by clicking on the Show API Key button above the query editor. You will see a modal window where you can copy your query API key and URL. You can use this URL to make HTTP requests to get the latest results of your query in JSON or CSV format. For example, you can use curl to make a request like this:
curl -H "Authorization: Key <your_query_api_key>" "
This will return the latest results of your query in JSON format. You can also append .csv to the URL to get the results in CSV format.
Conclusion and FAQs
Conclusion: Redash is a great tool for data lovers who want to make sense of their data
In this article, we have shown you how to download Redash and use it to connect, query, and visualize your data. Redash is a web-based data visualization and exploration platform that supports multiple data sources and integrations, offers a user-friendly interface and powerful features, and allows you to share and collaborate on your data with others. Redash is a great tool for data lovers who want to make sense of their data and create stunning dashboards and reports.
FAQs: Five common questions and answers about Redash
QuestionAnswer
Q: How much does Redash cost?A: Redash is an open source project that you can install on your own server for free. However, if you don't want to deal with installation and maintenance, you can also use Redash's hosted service[^5^ ) that starts from $49 per month for up to 5 users and includes unlimited queries, dashboards, and alerts.
Q: How can I update Redash to the latest version?A: If you have installed Redash using Docker and Docker Compose, you can update Redash to the latest version by following these steps:
Stop the running containers using the following command: docker-compose stop
Pull the latest images from Docker Hub using the following command: docker-compose pull
Run the database migrations using the following command: docker-compose run --rm server manage db upgrade
Restart the containers using the following command: docker-compose up -d
You can also check the release notes on GitHub to see what's new in each version.
Q: How can I backup and restore my Redash data?A: If you have installed Redash using Docker and Docker Compose, you can backup and restore your Redash data by following these steps:
To backup your data, run the following command to create a tar archive of your PostgreSQL and Redis data: docker run --rm --volumes-from redash_postgres_1 -v $(pwd):/backup ubuntu tar cvf /backup/postgres_data.tar /var/lib/postgresql/data && docker run --rm --volumes-from redash_redis_1 -v $(pwd):/backup ubuntu tar cvf /backup/redis_data.tar /data
To restore your data, run the following command to extract the tar archive to your PostgreSQL and Redis containers: docker run --rm --volumes-from redash_postgres_1 -v $(pwd):/backup ubuntu bash -c "cd /var/lib/postgresql/data && tar xvf /backup/postgres_data.tar --strip 4" && docker run --rm --volumes-from redash_redis_1 -v $(pwd):/backup ubuntu bash -c "cd /data && tar xvf /backup/redis_data.tar --strip 1"
You can also use other tools or methods to backup and restore your data, such as pg_dump, pg_restore, redis-cli, etc.
Q: How can I customize or extend Redash?A: Redash is a modular and extensible platform that allows you to customize or extend it according to your needs. You can use the following ways to do so:
You can use the Redash API to interact with your data programmatically or integrate with other tools. You can find the API documentation here.
You can use the Redash SDK to create custom visualizations or widgets for your dashboards. You can find the SDK documentation here.
You can use the Redash extensions framework to add new features or functionality to Redash. You can find the extensions documentation here.
You can also fork the Redash repository and modify the source code as you wish. You can find the development guide here.
Q: How can I get help or support for Redash?A: Redash has a vibrant and helpful community of users and developers who are willing to help you with any questions or issues you may have. You can use the following channels to get help or support for Redash:
You can join the Redash Slack channel and chat with other users and developers. You can request an invite here.
You can post your questions or issues on the Redash Discourse forum and get answers from other users and developers. You can visit the forum here.
You can report bugs or request features on the Redash GitHub repository and get feedback from the developers. You can visit the repository here.
You can also contact the Redash team directly via email at support@redash.io.
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