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Pulseaudio for multi-user Linux · Dhole's blog
https://dhole.github.io/post/pulseaudio_multiple_users/
Every user that belongs to the audio group is able to access the pulseaudio server (and thus play sound). For this, I just need to add the required users to the audio group: usermod -aG audio user The following setup creates the pulseaudio server unix socket at a place where every user can find it, and only accepts users that belong to the audio group. Data transfer of audio will …
PulseAudio/Examples - ArchWiki - Arch Linux
https://wiki.archlinux.org/title/PulseAudio/Examples
A more secure solution is to create a custom user group for shared audio and limit the socket to it. For example, to allow only users in the group "sharepulse" to access the socket, change the line to ~/.config/pulse/default.pa load-module module-native-protocol-unix auth-group=sharepulse socket=/tmp/pulse-socket
Running PulseAudio as System-Wide Daemon – PulseAudio
https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/SystemWide/
When PulseAudio starts in the system mode, it will change its user and group from root to pulse in order to not have too many privileges. The pulse user needs to be in the audio and bluetooth groups in order to be able to use ALSA and bluetooth devices. All users that need access to PulseAudio have to be in the pulse-access group, even root.
How to Use PulseAudio to Manage Sounds on Ubuntu 18.04
https://linuxhint.com/pulse_audio_sounds_ubuntu/
PulseAudio is a sound server for Linux and Mac OS. It also works on Windows operating system. It works like a proxy. The sounds in your applications passes through PulseAudio. That way, you can use various techniques to manipulate these sounds before you can hear them. PulseAudio can combine sounds from multiple sources (called mixing).
Linux の Audio 機能をコマンドラインで設定 - Qiita
https://qiita.com/propella/items/4699eda71cd742cba8d3
Linux の音声入出力の設定方法について調べた。目標: 組み込み Linux で自由に入出力先を設定出来る事。 ALSA と PluseAudio の関係. 歴史的な理由からか、Linux の音声入出力は PulseAudio と ALSA の二階建てになっている。
How to List Groups in Linux | Linuxize
https://linuxize.com/post/how-to-list-groups-in-linux/
The command will show the user ID ( uid ), the user’s primary group ( gid ), and the user’s secondary groups ( groups) uid=1001 (linuxize) gid=1001 (linuxize) groups=1001 (linuxize),27 (sudo) To print only the names instead of the numbers use the -n option. Option -g will print only the primary group and -G all groups.
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