On 3/20/23 21:37, Eyal Lebedinsky wrote:
On 21/03/2023 15.29, Samuel Sieb wrote:
On 3/20/23 21:13, Eyal Lebedinsky wrote:
On 20/03/2023 17.22, Eyal Lebedinsky wrote:
Fedora 36 up-to-date.
$ uname -a
Linux e4.eyal.emu.id.au 6.1.15-100.fc36.x86_64 #1 SMP
PREEMPT_DYNAMIC Fri Mar 3 17:22:46 UTC 2023 x86_64 x86_64 x86_64
GNU/Linux
I have a script running as root (using sudo) and in it I play a sound
paplay /audio/ogg/beginning.ogg
and it always worked.
Then a few days ago it stopped and I now get an error. Something
changed.
$ sudo paplay /audio/ogg/beginning.ogg
Connection failure: Connection refused
pa_context_connect() failed: Connection refused
$ sudo ogg123 -q /audio/ogg/beginning.ogg
ALSA lib pulse.c:242:(pulse_connect) PulseAudio: Unable to connect:
Connection refused
=== Could not load default driver and no driver specified in config
file. Exiting.
Is there a simple way to allow playing sounds in this context?
TIA
Received a few replies that suggest it is not trivial to do so. Some
think it is also unwise.
My current solution is to run the affected script as my non-root user
and in it run some parts with sudo
(set up to run without a sudo password to avoid script interruption).
BTW: I did try to use su/sudo back to my user, to run from inside the
script (which is running as root) but it still fails.
There used to be an environment variable that pointed to the
pulseaudio socket, but that seems to have changed (at least in F37).
Check that the XDG_RUNTIME_DIR variable is set. It wasn't when I
tested going through root. It should point to /run/user/<pid> which
is most likely /run/user/1000 unless you aren't the first user.
Yet, it is present and set up. I expect that it is lost by sudo... yes
it is.
I set it up manually and got a similar error:
[eyal@e7:~]$ sudo -i
[root@e7 ~]# set|grep XDG_RUNTIME_DIR
[root@e7 ~]# export XDG_RUNTIME_DIR=/run/user/500
[root@e7 ~]# paplay /audio/ogg/beginning.ogg
XDG_RUNTIME_DIR (/run/user/500) is not owned by us (uid 0), but by uid
500! (This could e.g. happen if you try to connect to a non-root
PulseAudio as a root user, over the native protocol. Don't do that.)
Connection failure: Connection refused
pa_context_connect() failed: Connection refused
I didn't mean to use it as root. The sound system isn't going to let
you do that as you found out. I meant you need to set it up after you
su back to your user.
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