How to open garage

add web user to dialout group
sudo usermod -aG dialout www-data

enable psp support (python embedded)
        <Directory /var/www/>
                Options Indexes FollowSymLinks MultiViews
                AllowOverride None
                Order allow,deny
                allow from all
                AddHandler mod_python .psp
                PythonHandler mod_python.psp
                PythonDebug On
        </Directory>