[arch-general] systemd and local group membership

[Daniel Micay]

On Sun, Oct 28, 2012 at 11:30 AM, Daniel Micay <danielmicay at gmail.com> wrote:
> On Sun, Oct 28, 2012 at 4:26 AM, Dave Morgan
> <davemorgan353 at btinternet.com> wrote:
>>
>> Hi,
>>
>> The systemd wiki article says:
>>
>> "Note: Adding your user to groups (optical, audio, scanner, ...) is not
>> necessary with systemd. It might even break the wanted functionality if
>> you do so."
>>
>> What are the the technical reasons for group membership breaking
>> functionality when using systemd?
>>
>> --
>> Dave.
>
> ConsoleKit implement these session-based ACLs before, and now logind
> does. It's not really related to systemd. The reason for avoiding the
> audio group is that it can break software mixing. Sound with fast user
> switching also won't work at all if users are in the audio group.

By the way, I've updated that section in the wiki.[1] It should be a
lot clearer now.

[1] https://wiki.archlinux.org/index.php/Systemd#Supplementary_information