VoidLinux, systemd отсутствует совсем.
Звук у пользователя есть, но нет у root-а, а надо.
Pipewire и pipewire-pulse запускаются пользователем.
Доступ настроил как в теме Доступ к pipewire-pulse из разных юзеров? , спасибо 
dimgel.
Выхлопы команд:
# alsamixer
cannot open mixer: Узел выключен
# mpg123 alarm.mp3
High Performance MPEG 1.0/2.0/2.5 Audio Player for Layers 1, 2 and 3
version 1.30.2; written and copyright by Michael Hipp and others
free software (LGPL) without any warranty but with best wishes
[src/libout123/modules/alsa.c:open_alsa():181] error: cannot open device default
[src/libout123/libout123.c:check_output_module():984] error: Module 'alsa' device open failed.
[src/libout123/libout123.c:out123_open():482] error: Found no driver out of [alsa] working with device <default>.
main: [src/mpg123.c:check_fatal_output():333] error: out123 error 3: failure loading driver module
# aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
pipewire
PipeWire Sound Server
default
Default ALSA Output (currently PipeWire Media Server)
sysdefault:CARD=PCH
HDA Intel PCH, ALC887-VD Analog
Default Audio Device
front:CARD=PCH,DEV=0
HDA Intel PCH, ALC887-VD Analog
Front output / input
surround21:CARD=PCH,DEV=0
HDA Intel PCH, ALC887-VD Analog
2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=PCH,DEV=0
HDA Intel PCH, ALC887-VD Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=PCH,DEV=0
HDA Intel PCH, ALC887-VD Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=PCH,DEV=0
HDA Intel PCH, ALC887-VD Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=PCH,DEV=0
HDA Intel PCH, ALC887-VD Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=PCH,DEV=0
HDA Intel PCH, ALC887-VD Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=PCH,DEV=0
HDA Intel PCH, ALC887-VD Digital
IEC958 (S/PDIF) Digital Audio Output
hdmi:CARD=PCH,DEV=0
HDA Intel PCH, X2483/2481
HDMI Audio Output
hdmi:CARD=PCH,DEV=1
HDA Intel PCH, HDMI 1
HDMI Audio Output
hdmi:CARD=PCH,DEV=2
HDA Intel PCH, HDMI 2
HDMI Audio Output
Upd.: оказалось звука нет у других пользователей c alsa-клиентами, с pulseaudio-клиентами звук есть у всех и у root тоже.
Все-таки можно это донастроить?
