How to Install ONLYOFFICE Docs on Ubuntu 20.04 2

How to Install ONLYOFFICE Docs on Ubuntu 20.04

ONLYOFFICE Docs is a free and open-source web-based office suite that allows you to create, edit, and collaborate on documents, spreadsheets, and presentations. It also provides features like real-time co-authoring, version control, and integration with popular cloud storage platforms. In this guide, we will cover everything you need to know to install ONLYOFFICE Docs on Ubuntu 20.04.

Hardware Requirements

Before installing ONLYOFFICE Docs, you should ensure that your server meets the following hardware requirements:

  • CPU dual core 2 GHz or better
  • RAM 4 GB or more
  • HDD at least 20 GB of free space
  • SWAP at least 4 GB, but depends of the host OS. More is better

How to Install ONLYOFFICE Docs on Ubuntu

Before starting the installation process, we recommend updating your Ubuntu 20.04 system to ensure that you have the latest software packages installed. Open a terminal window and run the following command:

sudo apt update && sudo apt upgrade -y

Install Dependencies

ONLYOFFICE Docs requires several dependencies to be installed before it can run properly. Open a terminal window and run the following command to install these dependencies:

sudo apt install curl gnupg2 ca-certificates lsb-release -y

Add ONLYOFFICE Docs Repository

ONLYOFFICE Docs is not available in the default Ubuntu 20.04 repositories. Therefore, we need to add the ONLYOFFICE Docs repository to our system. Run the following command to add the repository:

echo "deb squeeze main" | sudo tee /etc/apt/sources.list.d/onlyoffice.list

Next, add the GPG key for the ONLYOFFICE repository by running the following curl command:

curl | sudo apt-key add -


Once the repository has been added and the GPG key has been imported, we can install ONLYOFFICE Docs by running the following command:

sudo apt update && sudo apt install onlyoffice-docs -y

Configure ONLYOFFICE Docs

By default, ONLYOFFICE Docs listens on port 80, which is used by the Apache2 web server. Therefore, we need to configure ONLYOFFICE Docs to listen on a different port. Open the configuration file using the following command:

sudo nano /etc/onlyoffice/documentserver/local.json

Find the line that says "port": 80 and change the port number to a different value, such as 8888. Save and close the file.


After making changes to the configuration file, we need to restart ONLYOFFICE Docs for the changes to take effect. Run the following command to restart the service:

sudo systemctl restart onlyoffice-documentserver


ONLYOFFICE Docs is now installed and configured on your Ubuntu 20.04 system. To access it, open a web browser and enter the IP address or domain name of your server, followed by the port number you configured in step above. For example, if your server’s IP address is and you configured ONLYOFFICE Docs to listen on port 8888, enter the following in your web browser:

Switching to HTTPS

Switching ONLYOFFICE Docs to HTTPS is a crucial step in ensuring that your documents and data are secure during transmission. Fortunately, it’s easy to do so by automatically getting Let’s Encrypt SSL certificates using certbot.

To get started, you’ll first need to install certbot on your Ubuntu system. You can do this by running the following commands:

sudo snap install --classic certbot
sudo ln -s /snap/bin/certbot /usr/bin/certbot

Once certbot is installed, you can then run the ONLYOFFICE Docs Docker container with ports 80 and 443 specified and your domain name and email set as environment variables. This can be done with the following command:

sudo docker run -i -t -d -p 80:80 -p 443:443 
    -e -e onlyoffice/documentserver

Make sure to replace “” with your actual domain name and “” with your email address. This command will automatically generate and install Let’s Encrypt SSL certificates for your domain, securing your connection to ONLYOFFICE Docs.

After completing these steps, your ONLYOFFICE Docs installation will be accessible via HTTPS at This will ensure that your data and documents are transmitted securely and cannot be intercepted by unauthorized parties.

Integrating with Cloud Platforms

ONLYOFFICE Docs can be integrated with your DMS/sync&share system using a connector, which is an integration app that acts as a bridge between the two systems. The developers of ONLYOFFICE Docs provide ready-to-use integration apps on their website.

One of the recently added integrations is with WordPress, which allows you to edit and collaborate on office documents directly within the WordPress administrative dashboard. You can even add ONLYOFFICE blocks to your WordPress posts to embed documents and collaborate on them with others.

Install ONLYOFFICE Docs on Ubuntu

Integrating ONLYOFFICE Docs with your DMS/sync&share system can provide significant benefits in terms of document management and collaboration. The ready-to-use integration apps make it easy to get started with integration, and the WordPress integration is just one example of how this integration can be achieved.


In this tutorial, we have shown you how to install ONLYOFFICE Docs on Ubuntu 20.04. With ONLYOFFICE Docs, you can easily create, edit and collaborate on documents, spreadsheets, and presentations in a web-based environment. By following the steps outlined in this guide, you can have ONLYOFFICE Docs up and running on your Ubuntu 20.04 server in no time.

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