How to Install Nextcloud on TrueNAS Scale | Step-by-Step Guide

Step 1: Create a Dataset for Nextcloud

Go to TrueNAS Dashboard.

Click on "Datasets" under the dataset section

Select your main pool (e.g., LTA2).

Click on “Add Dataset”

Step 2: Configure the Dataset Settings

In the Add Dataset screen:

Enter the dataset Name

Keep Compression Level as Inherit (LZ4) for efficient storage.

Step 3: Set Quota for the Dataset

Set Quota for this dataset to 1 Tb

Step 4: Finalize and Save Dataset

Set Share Type to app

Make sure Read-only is set to off

Review all settings

Click Save at the bottom to create the dataset

Step 5: Install Nextcloud

Go to the Apps section in TrueNAS.

Search for Nextcloud in the app catalog.

Click on Install

Step 6: Configure Nextcloud Settings

Set Admin User and Password for logging into Nextcloud.

Enter your Host IP address

Leave Data directory as default (/var/www/html/data) or customize as needed.

Adjust optional settings like upload size and memory if required.

Click Next to continue installation

Step 7: Configure Network & Certificate

Under Network Configuration: Set Web Port

Select an SSL Certificate

Leave proxy and Nginx settings default unless needed.

Step 8: Attach Dataset Storage

Under Storage Configuration:

For AppData Storage, set Type to: host path

Choose your Host Path: /mnt/LTA2/nextcloud

 Confirm other settings or leave defaults.

This links your Nextcloud app to the correct dataset storage

Step 9: Launch the Installation

After verifying all configuration sections, click the “Install” button at the bottom.

Installation will begin – you’ll see the progress bar

Step 10: Verify Installation Status

Go to the Apps > Installed section in TrueNAS

You’ll see Nextcloud status as “Running”

You can now access Nextcloud using the configured web port and IP

Step 11: Log in to Nextcloud

Open your browser and enter the IP and port you configured

Enter your Admin Username and Password

Click Log in to access your personal Nextcloud dashboard

Step 12: Access Your Nextcloud Dashboard

Once logged in, you’ll land on the Nextcloud web interface where you can:

Upload & share files

Create folders

Use integrated apps (Photos, Calendar, Notes, etc.)

Collaborate in real time

 Your private cloud storage is now fully operational!

Congratulations! You've successfully completed the setup and are now inside your own private cloud – powered by Nextcloud on TrueNAS