This video goes through the steps on how to move your ownCloud data to a new location.

The steps used in the video are below:

Stop apache2

sudo service apache2 stop

Edit config file in default location

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

Change default location to new location

(please check video)

Move the data folder to new location

sudo mv /var/www/html/owncloud/data /mnt/owncloud_data

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if required change permissions

sudo chown -R www-data:www-data /mnt/owncloud_data

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Restart apache2

sudo service apache2 start