How to get soundcard (play/record sound) inside a container?

[catfish]

You have 2 choices, I recommend second one:

one, directly play sound in container:

Can anyone play audio in container without install sound server in host?

OK, I need to take some of my words, Pipewire works with trouble. But I manage to reproduce with alsa and pulseaudio. Due to Pipewire’s doc is too abstract, I’m only able to produce discontinuous sound, I will talk about it later. Profile is up there, you need to change it to fit your need. pulseaudio: As root. apt install pulseaudio alsa-utils alsa-tools -y Use it to find the real sound card: aplay -l As you can see, my sound card is card 0: **** List of PLAYBACK Hardware Devices **** …

two, play sound through host socket:

Incus / LXD profile for GUI apps: Wayland, X11 and Pulseaudio

Update: A profile for running GUI apps in Incus Ubuntu containers with Ubuntu 24.04 as host. Previous profiles are now here: Preliminary profile for Ubuntu 24.04 Profile for Ubuntu 22.04 with kernel 6.5.0+ Profile for Ubuntu 22.04 with older kernels The main goal this time around was to simplify the profile as much as possible. This means instead of relying on cloud-init and systemd service to remount sockets, I created a bare bone incus_ct_gui.sh script that you can push to the co…