Forever-Young

ModelView
---------
# field1 (->Model1), field2 (->Model2) filtered by field1 values
    column_filter_by = ('field2')

    form_widget_args = {
        'field2': {
            'data-filter-by': 'field1',
        }
    }

Forever-Young

# get current network, eg. 192.168.1.0/24
ip addr show dev $(ip route | grep default | cut -d" " -f5) | grep inet | xargs echo | cut -d" " -f2 | xargs ipcalc -n -b | grep Network | xargs echo | cut -d" " -f2