# Stop the containers docker compose down # Remove the existing data (this will delete any partial installation) sudo rm -rf /mnt/nextcloud/data/* sudo rm -rf /mnt/nextcloud/data/.[!.]* # Remove hidden files too # Also clean the nextcloud volume to start fresh docker volume rm nextcloud_nextcloud # Recreate the data directory with correct permissions sudo mkdir -p /mnt/nextcloud/data sudo chown -R 33:33 /mnt/nextcloud/data sudo chmod -R 750 /mnt/nextcloud/data # Start again docker compose up -d # Watch the logs docker compose logs -f nextcloud