Roll Your Own Google Docs with OnlyOffice On NextCloud

Prerequisites

• Nextcloud (Tutorial)

Installing OnlyOffice Document Server

1. Log into the Linux device
2. Run the following commands in a terminal:
   # check for an install software updates
   sudo apt update
   sudo apt upgrade
   # install postgreSQL
   sudo apt install postgresql
   # create the OnlyOffice database, user and grant permissions
   sudo -i -u postgres psql -c "CREATE DATABASE onlyoffice;"
   sudo -i -u postgres psql -c "CREATE USER onlyoffice WITH password '0nly0ff1c3';"
   sudo -i -u postgres psql -c "GRANT ALL privileges ON DATABASE onlyoffice TO onlyoffice;"
   # install redis and rabbitmq
   sudo apt install redis-server rabbitmq-server
   # if running on the same server as nextcloud, stop apache
   sudo systemctl stop apache2
   # install nginx extras
   sudo apt-get install nginx-extras
   # set the onlyoffice port, using port 1440 here
   echo onlyoffice-documentserver onlyoffice/ds-port select 1440 | sudo debconf-set-selections
   # add the onlyoffice document server apt repository
   sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys CB2DE8E5
   sudo echo "deb https://download.onlyoffice.com/repo/debian squeeze main" | sudo tee /etc/apt/sources.list.d/onlyoffice.list
   sudo apt update
   # install onlyoffice document server
   sudo apt-get install onlyoffice-documentserver
3. Paste the onlyoffice database password from above when prompted
4. Continue the setup by running the following command in terminal
   # modify the default nginx port
   sudo nano /etc/nginx/sites-available/default
5. Change the port from :80 to :801
6. Press CTRL+O, Enter, CTRL+X to write the changes to default and close it
7. Continue the configuration by running the following commands in terminal:
   # edit NextCloud configuration file
   sudo nano /var/www/nextcloud/config/config.php
8. Find the trusted_domains array and add the DNS entry for the OnlyOffice host
9. Add the following line inside the array

   'allow_local_remote_servers' => true

10. Press CTRL+O, Enter, CTRL+X
11. Continue with the following in terminal
    # restart nginx
    sudo systemctl restart nginx
    # start apache2
    sudo systemctl start apache2
12. Open a web browser and navigate to http://DNSorIP:1440 to verify OnlyOffice Document Server is up and running

Enabling OnlyOffice Document Editing in NextCloud

1. Log into NextCloud
2. Click the user avatar > Apps
3. Select Office & text from the left navigation
4. Scroll down to find the OnlyOffice app > Click Download and enable
5. After the download completes, click the user avatar > Settings
6. Click ONLYOFFICE in the left navigation
7. Enter the document server URL in the Document Editing Service address field > Click Save
8. Click on Files in the top navigation
9. Click the + icon > Select New Document
10. Give the document a name and press Enter
11. The new document should load in a word processor inside the web browser and be ready for editing

Source: https://helpcenter.onlyoffice.com/server/linux/document/linux-installation.aspx