Install DietPI ownCloud on Raspberry Pi 4

Our goal is to install the latest ownCloud version without any Security & setup warnings. This tutorial assumes that you have a fully functional Raspberry Pi-4 with a Minimum of 8 GB MicroSD card.

There are many ways to install ownCloud onto a Raspberry Pi. This particular tutorial I’ll be downloading and installing the following software / packages we will be using to setup the latest version of ownCloud:

If you don’t have a Raspberry PI I would personally recommend buying the CanaKit Raspberry Pi 4 Complete Starter Kit which is the one I’m using for this tutorial.

Installing ownCloud thru Dietpi will get rid of all Security & setup warnings:

  • Transactional file locking should be configured to use memory-based locking, not the default slow database-based locking. See the documentation  for more information.
  • We recommend to enable system cron as any other cron method has possible performance and reliability implications.
  • your data directory and your files are probably accessible from the internet. the .htaccess file is not working. we strongly suggest that you configure your web server in a way that the data directory is no longer accessible or you move the data directory outside the web server document root.

The good thing is that with DietPi we don’t have to write a bunch of code like I’ve done on my previous ownCloud installations. With DietPi we auto install ownCloud.

Install Diet Pi

Download the DietPi Image

Extract the content, there you’ll find an .img file

Download and install the free balena-etcher-electron app.

Insert the MicroSD card into the SD card reader, then to the PC.

Make sure is detected by the PC. Then run balenaEtcher app.

Here click on “Falsh from file” then browse and select the extracted DietPie .img

Now click “select target”.

Make sure to select the MicroSD card.

Then Click on Flash button to write the content of the image file onto the USB.

Note: all content from the MicroSD card will be deleted and replaced with the content of the image file.

Upon completion properly eject the MicroSD card from the PC.

Make sure that the Raspberry PI is turned off and all peripherals are plugged in (i.e. mouse, keyboard, Monitor, Ethernet) then  insert the MicroSD onto the Raspberry PI.

The power cable is the last to to be plugged to the RPI.

Once the RPI turns on you will immediately be able to see the IP address, please make a note of it.

Then you’ll be prompted for the default username and password:

  • User: root
  • Password: dietpi

Once you log in it will immediately start to update. You are also going to be prompted to change default passwords.

This can take quite a while. For this tutorial I did not change any passwords. I also opted out of the survey when prompted.

Once done reboot. DiepPi will be installed and updated.

Install owCloud

Upon reboot you’ll be prompted with the DietPi-Software screen:

Select Software Optimized hit enter.

Now using the ↓ arrow key look for ownCloud. Select it by pressing the space bar.

Then press the tab key to select, OK and hit enter. It will bring you back to the DietPi-Software screen:

Again using the ↓ arrow key select Install and hit enter, to start auto installing the latest version of ownCloud.

Let the Pi install everything it needs for ownCloud. Upon reboot you are finished installing ownCloud.

Basic First Access Setup

From a computer within the same network , open the browser, enter the IP address provided, in my case is you’ll be directed to your ownCloud web interface .

Note: If you’re mounting and external hard drive for additional storage capacity skip this step and continue to Create a MySQL database then Mounting and Setting up an external hard drive underneath.

You should be presented with a simple login screen, Here enter the default username and password.

  • User: admin
  • Password: dietpi

Note: If the default password doesn’t work then you would need to reset it. To do that go back to the DietPi and enter the following:

sudo -u www-data php /var/www/owncloud/occ user:resetpassword admin

If in case the proper ownCloud setup screen does not appear, then we need to delete the config.php by running this command:

rm /var/www/owncloud/config/config.php

Now you’ll be prompted with the proper ownCloud setup screen.

Create a MySQL database and user:

mysql -u root -pdietpi

Create a database

create database own_cloud;

Create user for database

GRANT ALL PRIVILEGES ON own_cloud.* TO 'oc_admin'@'localhost' IDENTIFIED BY '12345';

Change password to something other than “12345”


Mounting and Setting up an external hard drive

These instructions are for mounting an NTFS formatted hard drive and allowing ownCloud to store files onto it. Now would be a good time to plug in the external Hard Drive to the RPI.

The advantage of using an NTFS formatted drive is that in case something ever happens to my Raspberry pi I can easily unplug the external hard drive, plug it onto a PC and have access to all my files.

1. Having an NTFS drive we will need to install a NFTS package by entering the following:

sudo apt-get install ntfs-3g -y

See installed USB external hard drive:

sudo fdisk -l

2. Make a directory we can mount to:

sudo mkdir /mnt/ownclouddrive

Mount the hard drive to the newly created directory “/mnt/ownclouddrive”

sudo mount /dev/sda1 /mnt/ownclouddrive

3. Create and add the www-data user to the www-data group:

sudo groupadd www-data
  sudo usermod -a -G www-data www-data

4. Make the user www-data owner of the mounted drive and make its permissions read, write and execute:

sudo chown -R www-data:www-data /mnt/ownclouddrive
sudo chmod -R 775 /mnt/ownclouddrive

5. Now we need to get the gid, uid and the uuid as we will need to use them so the pi will remember it even if we plug it into a different USB port. Enter the following command for the gid:

id -g www-data

6. Now to get the uid enter the following command:

id -u www-data

7. Also we meed to get the UUID of the attached external hard drive so the Pi can remember this drive even if you plug it into a different USB port.

ls -l /dev/disk/by-uuid

Now add your drive into the fstab file so it’ll boot with the proper permissions.

sudo nano /etc/fstab

Add the following line to the bottom of the file, updating uid, guid and the UUID with the values we got above. (It should all be a single line).

Dont forget to replace the UUID number to yours in stead of the one you copied from here.

UUID=80264F31264F278C /mnt/ownclouddrive auto nofail,uid=33,gid=33,umask=0027,dmask=0027,noatime 0 0

Reboot the Raspberry Pi:

sudo reboot

Now the drives should automatically be mounted. If mounted we’re all good to go. To check it enter:

sudo ls /mnt/ownclouddrive

If there are files inside the drive you should be able to see them here. If it’s an empty drive you might not see anything so don’t be surprise if nothing shows up.

Basic First Access Setup

Open your browser and enter the IP address provided, in my case is you’ll be directed to your ownCloud storage server.

You should be presented with a simple setup screen, Here enter a username and password to create an admin account.

Click on Storage & database dropdown and enter your external hard drive directory: /media/ownclouddrive (Skip this if you didn’t setup an external drive).

Immediately underneath enter your MySQL details as follow:

  • Username: admin
  • Password: dietpi
  • Data folder: /mnt/ownclouddrive
  • Database user: oc_admin
  • Database password: 12345
  • Database name:own_cloud
  • Server: localhost

Click on ‘Finish Setup’ button. That’s it. We’re good to go. Owncloud 10 installed on Raspbian Stretch is now ready for use.

Done! !! all is left is to configure your devices to access your ownCloud storage.

External Access Port Forward

To allow devices like your phone or tablet to access your cloud from anywhere in the world with internet access:

Log into your router and get the WAN IP address:


Or Google what is my IP address?


Configure Trusted Domains

We’re going to edit this config file and add the WAN IP to your trusted IP list and not to be overwritten by ownCloud. To do this open the Owncloud config file, enter:

nano /var/www/owncloud/config/config.php

Here add the WAN IP (External IP address) you just got from the router or Google to the trusted domains array. Your new entry should look something like this:

1 => '',

X are just placeholders. Replace the X’s with the WAN IP Address.

Now update the URL of the overwrite.cli.url line with your WAN IP Address. It should look something like this:

'overwrite.cli.url' => '',

Here is an example of the completed config.php file.

Once done, save and exit.

Now log into your router and navigate to the port forward section.

Port forward port 80 to the Raspberry pi internal IP (LAN IP)  address and save settings.

Now your RPI ownCloud is ready to be accessed externally (WAN) and from your devices just download the ownCloud App and enter: “http:// WAN IP Address/owncloud” on the address bar or devices. below is an example:

That’s it – you now have cloud storage that works from anywhere in the world with internet access.


I started this tech blog back in 2011 as a place to write down processes I took to fix my client systems and network. Now I write some tips and tricks to help others with the tech issues that one might encounter.

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