시스템 전체 시스템 서비스로서의 Pulseaudio

헤드리스 CentOS 7 서버에서 Pulseaudio 시스템을 실행하고 싶습니다. Pulseaudio는 startx하면 잘 작동하지만 펄스 오디오 클라이언트는 텍스트 모드(런레벨 3과 동일)에서 실패합니다.

그래서 systemd 서비스 파일을 만들었습니다.

[Unit]
Description=PulseAudio Daemon

[Install]
WantedBy=multi-user.target

[Service]
Type=simple
PrivateTmp=true
ExecStart=/usr/bin/pulseaudio --system --realtime --disallow-exit --no-cpu-limit 

시작되지만 Journalctl에 다음이 표시됩니다.

Jan 19 13:31:47 lserver.mydomain pulseaudio[2523]: W: [pulseaudio] main.c: Running in system mode, but --disallow-module-loading not set!
Jan 19 13:31:47 lserver.mydomain pulseaudio[2523]: N: [pulseaudio] main.c: Running in system mode, forcibly disabling SHM mode!
Jan 19 13:31:47 lserver.mydomain pulseaudio[2523]: N: [pulseaudio] main.c: Running in system mode, forcibly disabling exit idle time!
Jan 19 13:31:47 lserver.mydomain pulseaudio[2523]: W: [pulseaudio] main.c: OK, so you are running PA in system mode. Please note that you most likely shouldn't be doing that.
Jan 19 13:31:47 lserver.mydomain pulseaudio[2523]: W: [pulseaudio] main.c: If you do it nonetheless then it's your own fault if things don't work as expected.
Jan 19 13:31:47 lserver.mydomain pulseaudio[2523]: W: [pulseaudio] main.c: Please read http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/WhatIsWrongWithSystemWide/ for an explanation why system mode is usually a bad idea.
Jan 19 13:31:48 lserver.mydomain pulseaudio[2523]: N: [pulseaudio] alsa-util.c: Disabling timer-based scheduling because running inside a VM.
Jan 19 13:31:48 lserver.mydomain pulseaudio[2523]: N: [pulseaudio] alsa-util.c: Disabling timer-based scheduling because running inside a VM.
Jan 19 13:31:48 lserver.mydomain pulseaudio[2523]: W: [pulseaudio] authkey.c: Failed to open cookie file '/var/run/pulse/.config/pulse/cookie': No such file or directory
Jan 19 13:31:48 lserver.mydomain pulseaudio[2523]: W: [pulseaudio] authkey.c: Failed to load authentication key '/var/run/pulse/.config/pulse/cookie': No such file or directory
Jan 19 13:31:48 lserver.mydomain pulseaudio[2523]: W: [pulseaudio] authkey.c: Failed to open cookie file '/var/run/pulse/.pulse-cookie': No such file or directory
Jan 19 13:31:48 lserver.mydomain pulseaudio[2523]: W: [pulseaudio] authkey.c: Failed to load authentication key '/var/run/pulse/.pulse-cookie': No such file or directory
Jan 19 13:31:48 lserver.mydomain systemd[1]: Got message type=signal sender=org.freedesktop.DBus destination=n/a object=/org/freedesktop/DBus interface=org.freedesktop.DBus member=NameOwnerChanged cookie=56 reply_cookie=0 error=n/a
Jan 19 13:31:48 lserver.mydomain systemd-logind[575]: Got message type=signal sender=org.freedesktop.DBus destination=n/a object=/org/freedesktop/DBus interface=org.freedesktop.DBus member=NameOwnerChanged cookie=56 reply_cookie=0 error=n/a
Jan 19 13:31:48 lserver.mydomain systemd-logind[575]: Got message type=signal sender=org.freedesktop.DBus destination=n/a object=/org/freedesktop/DBus interface=org.freedesktop.DBus member=NameOwnerChanged cookie=57 reply_cookie=0 error=n/a
Jan 19 13:31:48 lserver.mydomain systemd[1]: Got message type=signal sender=org.freedesktop.DBus destination=n/a object=/org/freedesktop/DBus interface=org.freedesktop.DBus member=NameOwnerChanged cookie=57 reply_cookie=0 error=n/a

그리고 오디오에 액세스하려는 시도가 실패합니다.

speaker-test 1.1.1

Playback device is default
Stream parameters are 48000Hz, S16_LE, 1 channels
Using 16 octaves of pink noise
ALSA lib pulse.c:243:(pulse_connect) PulseAudio: Unable to connect: Access denied

Playback open error: -111,Connection refused

스피커 테스트 후 로그에는 다음이 표시됩니다.

Jan 19 14:06:39 lserver.ocg.ca pulseaudio[2795]: W: [pulseaudio] protocol-native.c: Denied access to client with invalid authentication data.

사용자 루트가 오디오 그룹에 추가되었습니다. 스피커 테스트가 루트로 실행 중입니다. 누구든지 이 문제를 해결하는 방법을 제안할 수 있습니까?