[CentOS] su command

[Les Mikesell]

On Thu, May 8, 2014 at 8:57 AM, Jerry Geis <geisj at pagestation.com> wrote:
> I am running pulseaudio on centOS 6.5
> audio works fine as the user.
> running the command
> aplay /usr/share/sounds/alsa/Front_Center.wav
> works fine.
>
> when I login as root and run the command
> su user -c "aplay /usr/share/sounds/alsa/Front_Center.wav"
> it does not work.
>
> I thought su actually runs as that user...
> is there some "magic" to su I don't know about?
> How might I get that to work ?

There is magic in who 'owns' certain devices which probably includes
audio and it has some relationship to logging in at the console.  (As
if 'the console' has some meaning in unix-like systems...).

-- 
  Les Mikesell
    lesmikesell at gmail.com