sudo find /var/www/html/nextcloud/ -type f -print0 | sudo xargs -0 chmod 0640

sudo find /var/www/html/nextcloud/ -type d -print0 | sudo xargs -0 chmod 0750

sudo chown -R root:www-data /var/www/html/nextcloud

sudo chown -R www-data:www-data /var/www/html/nextcloud/apps

sudo chown -R www-data:www-data /var/www/html/nextcloud/config

sudo chown -R www-data:www-data /var/www/html/nextcloud/data

sudo chown -R www-data:www-data /var/www/html/nextcloud/themes

sudo chown root:www-data /var/www/html/nextcloud/.htaccess

sudo chown root:www-data /var/www/html/nextcloud/data/.htaccess

sudo chmod 0644 /var/www/html/nextcloud/.htaccess

sudo chmod 0644 /var/www/html/nextcloud/data/.htaccess

sudo chown -R www-data:www-data /var/www/html/nextcloud

sudo chmod 744 /var/www/html/nextcloud