Re: /dev/dsp?

[Michael Jinks <mjinks@uchicago.edu>]

Okay, thanks.  I did notice that, but since we have some machines which
are used by lots of people I had hoped for a way to restrict usage to
whomever happens to be at the console.

Anyhow.  Thanks again, at least I'm not missing something.

Cheers,
-m

On Wed, Jan 02, 2002 at 09:35:51PM -0500, Michael P. Soulier wrote:
> On 02/01/02 Michael Jinks did speaketh:
> 
> > New to Debian, I probably just need to RTFM somewhere, please point me to
> > it if you know...
> > 
> > I'm used to Red Hat's trick of chown'ing certain /dev files, notable
> > /dev/dsp and the CDROM devices, so that the user at the console can use
> > them.  Is there a "Debian way" to pull off the same functionality?
> 
> Hi Michael.
> 
> The Debian policy for this is to have the device files belonging to
> certain groups, with read and write permission enabled for group
> ownership. That way, anyone you would like to be able to access
> certain services, you simply add them to the appropriate group. 
> 
> ie. 
> 
> [msoulier@tigger msoulier]$ ls -l /dev/dsp
> crw-rw----    1 root     audio     14,   3 Nov 30  2000 /dev/dsp
> 
> If you're not root, and you're not in the audio group, you can't
> access the soundcard. Luckily, I added myself to the audio group with
> adduser. 
> 
> Note that you must either newgrp, or logout and back in, for the group
> change to fully take effect. 
> 
> Mike
> 
> -- 
> Michael P. Soulier <msoulier@mcss.mcmaster.ca>, GnuPG pub key: 5BC8BE08
> "...the word HACK is used as a verb to indicate a massive amount
> of nerd-like effort."  -Harley Hahn, A Student's Guide to Unix