
重啟後
~$ arecord -l
arecord: device_list:270: no soundcards found...
和
$ sudo arecord -l
**** List of CAPTURE Hardware Devices ****
Home directory not accessible: Permission denied
card 0: PCH [HDA Intel PCH], device 0: ALC892 Analog [ALC892 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 2: ALC892 Alt Analog [ALC892 Alt Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
如果我這樣做
sudo chmod -R a+rw /dev/snd
人們arecord
開始看到沒有sudo
.
不幸的是,重啟後就沒有權限了。
如何讓設備預設對一般用戶可讀?
答案1
我要把自己加到audio
群組中。這是群主/dev/snd/*