How to Set Up and Use ONLYOFFICE on Ubuntu 14.04

ONLYOFFICE is a free, open source corporate office suite developed to organize teamwork online. It's composed of three separate servers:

  • The Document Server provides users with text, spreadsheet and presentation online editors working within a browser and allowing to co-edit documents in real time, comment and interact using the integrated chat.
  • The Community Server offers a complete set of tools for document, project, customer relation and email correspondence management.
  • The Mail Server is used to create mailboxes using your own domain name.

Since ONLYOFFICE has many moving parts and dependencies, in this article we'll walk you through the simplify installation process and avoid dependency errors by deploying ONLYOFFICE using Docker containers.


To follow the steps mentioned in this article, you will need:
Note: The size requirement for an ONLYOFFICE server depends on which ONLYOFFICE components you will use, how many users will work in the web office, and the quantity of documents and mail you plan to store. 8 GB is recommended for all three servers.

This guide will assume some familiarity with SSL, a security technology, and Docker, an open-source project that automates the deployment of applications inside software containers.

Setting Up Security

Before installing ONLYOFFICE, we will first make sure access to it will be secured using SSL. To do this, we'll need a private key (.key) and an SSL certificate (.crt).

If we use CA-certified certificates, these files are provided by the certificate authority. When using self-signed certificates we need to generate these files ourselves. The simplest and least expensive way to do it, especially if you have a small team, is to use a self-signed certificate. That's what we'll do here.

The ONLYOFFICE configuration directory will be /app/onlyoffice/CommunityServer/data. So first, we'll create a directory to store our self-signed certificates here.

sudo mkdir -p /app/onlyoffice/CommunityServer/data/certs

Move into the created directory.

cd /app/onlyoffice/CommunityServer/data/certs

Next, create the server private key.

sudo openssl genrsa -out onlyoffice.key 2048

Create the certificate signing request (CSR).

sudo openssl req -new -key onlyoffice.key -out onlyoffice.csr

Here, you will be asked a few questions about your server to add the appropriate information to the certificate.

Once you fill out this information, sign the certificate using the private key and CSR.

sudo openssl x509 -req -days 365 -in onlyoffice.csr -signkey onlyoffice.key -out onlyoffice.crt

Strengthen the server security by generating stronger DHE parameters, a temporary 2048-bit Diffie-Hellman key.

sudo openssl dhparam -out dhparam.pem 2048

Now we have a SSL certificate valid for 365 days, and we can move on to installing ONLYOFFICE itself.


First, we'll create an ONLYOFFICE network to allow a group of containers we need to communicate over it and isolate them from others. Use bridge as a --driver to manage the network.

sudo docker network create --driver bridge onlyoffice

The commands we'll use to start the ONLYOFFICE servers are pretty long, so let's look at one and break it down. First, run this command to install the ONLYOFFICE Document Server:

sudo docker run --net onlyoffice -i -t -d --restart=always \
--name onlyoffice-document-server \
-v /app/onlyoffice/DocumentServer/data:/var/www/onlyoffice/Data \
-v /app/onlyoffice/DocumentServer/logs:/var/log/onlyoffice onlyoffice/documentserver

Here, we launched an ONLYOFFICE container using docker run --net onlyoffice, which means it automatically connects to the onlyoffice bridge network we just created. -d means the container starts detached; -i keeps STDIN open (even when the container is detached); -t allocates a TTY. To make Docker automatically restart the containers on reboot, we specified the --restart=always parameter.

As a rule, all the data inside the Docker containers is stored in specially-designated directories called data volumes. Each ONLYOFFICE component has data volumes in particular directories. The Document server uses /var/log/onlyoffice for logs and /var/www/onlyoffice/Data for certificates.

To get access to these data volumes from outside the container, we mounted the volumes by specifying the -v option. Note that the necessary directories will be created automatically, but we will still need to grant the access rights to them once our web office is installed.

Now, install the ONLYOFFICE Mail Server, specifying your domain:

sudo docker run --net onlyoffice --privileged -i -t -d --restart=always --name onlyoffice-mail-server \
-p 25:25 -p 143:143 -p 587:587 \
-v /app/onlyoffice/MailServer/data:/var/vmail \
-v /app/onlyoffice/MailServer/data/certs:/etc/pki/tls/mailserver \
-v /app/onlyoffice/MailServer/logs:/var/log \
-v /app/onlyoffice/MailServer/mysql:/var/lib/mysql \
-h \

This is very similar to the previous command with the addition of the -p flag to expose a few ports (25 for SMTP, 143 for IMAP, and 587 for SMA). The data volumes for the Mail Server are:

/var/log for logs
/var/lib/mysql for MySQL database data
/var/vmail for mail storage
/etc/pki/tls/mailserver for certificates

Install the last of the three ONLYOFFICE servers: the Community Server.

sudo docker run --net onlyoffice -i -t -d --restart=always --name onlyoffice-community-server \
-p 80:80 -p 5222:5222 -p 443:443 \
-v /app/onlyoffice/CommunityServer/data:/var/www/onlyoffice/Data \
-v /app/onlyoffice/CommunityServer/mysql:/var/lib/mysql \
-v /app/onlyoffice/CommunityServer/logs:/var/log/onlyoffice \
-v /app/onlyoffice/DocumentServer/data:/var/www/onlyoffice/DocumentServerData \
-e DOCUMENT_SERVER_PORT_80_TCP_ADDR=onlyoffice-document-server \
-e MAIL_SERVER_DB_HOST=onlyoffice-mail-server \

The Community Server opens ports 80 for HTTP, 443 for HTTPS, and 5222 for XMPP-compatible instant messaging client (for ONLYOFFICE Talk). The data volumes are:

/var/log/onlyoffice for logs
/var/www/onlyoffice/Data for data
/var/lib/mysql for MySQL database data

Finally, grant access to the created folders:

sudo chmod -R 755 /app/

Now, all three servers are installed and we can finish setting them up.

Running and Configuring ONLYOFFICE

To access your new web office, visit in your favorite browser.

Note that if you're using a certificate that isn't signed by one of your browser's trusted CAs, you may get a warning. You can find a setting to access the page anyway, usually under an option labeled Advanced or something similar.

You will be directed to your web office. The initialization process will start. It might take some time, but once the initialization process finished, the welcome page will open. This will allow us to start the ONLYOFFICE initial configuration.

First, select and confirm the password and specify the email address you will use to access your office the next time.

Choose the language for your web office interface. When working in ONLYOFFICE, you will be able to change the language for all the users or for your own account only.

Set the time zone for your area. It's particularly important for notifications and making the calendar work correctly.

Finally click the Continue button to complete the ONLYOFFICE configuration.

The email activation message will be sent to the specified email. Follow the link provided in this message to complete the email activation procedure. There's one last step, which is to finish configuring the mail server.

Configuring ONLYOFFICE Mail Server

To finish configuring mail, click the Mail Server icon on the welcome page.

Click the Set up domain link.

Click the Set up the first domain link, enter your domain name in the corresponding field, and click the Next button.

Then, create all the required records using the information provided in the ONLYOFFICE wizard instructions:

Once all the records are created, click the OK button in your browser. The added domain will be shown on the domain list page.

Your web office is fully set up!


You've set up the ONLYOFFICE Document, Community, and Mail Servers. Now you can invite your teammates to start working. 

With ONLYOFFICE you can open, create and edit text documents, spreadsheets, and presentations — and co-edit them in real time with your team
  • Create a project with milestones, tasks and subtasks and coordinate it using a Gantt chart
  • Create a customer database, track potential sales storing all the necessary data in one place
  • Connect and manage one or several email accounts
  • Create an internal network with blogs, forums, bookmarks, polls, etc. for your community
  • Organize your timetable and invite your teammates or any Internet users to events

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