Excellent. Time to read about udev. Will do my homework, try a few tests, and will get back with results and, possibly, more questions :-D Thank you, everybody for your valuable help (and time).
Best regards, João On Mon, Aug 20, 2018 at 2:54 AM Reco <recovery...@gmail.com> wrote: > Hi. > > On Mon, Aug 20, 2018 at 12:51:24AM -0300, Joao Roscoe wrote: > > Hmmm... > > > > If I create a NIS group (with a high ID), called serial_ports, dhould I > > just, as root, chgrp /dev/ttyS0 so that it's group is serial_ports ? > > You could, and it may even work, but it would be temporary. > To make it truly work you should write your own udev rule for these (and > other) devices. > > The reason being - udev creates everything under the /dev (system boot). > Udev changes everything under the /dev (vt switch, user relogins). > > In that particular case you should override changes made by > /lib/udev/rules.d/50-udev-default.rules. > > Reco > >
