我尝试了网上能找到的所有方法，但都找不到解决办法
这是我所看到的东西，我想做的是通过 USB 将我的吉他连接到吉他程序，但我得到了无法使 JACK 客户端运行的 JACKD！？
所以我查了一下并告诉我使用qjackctl现在这就是我看到的 D-BUS：
JACK server could not be started. and Could not connect to JACK server as client.
Overall operation failed.
- Unable to connect to server. from the messages window i get 20:46:28.114 Patchbay deactivated.
20:46:28.116 Statistics reset.
20:46:28.121 ALSA connection change.
20:46:28.133 D-BUS: Service is available (org.jackaudio.service aka jackdbus).
20:46:28.210 D-BUS: JACK server could not be started. Sorry
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
20:46:28.231 ALSA connection graph change.
Fri Jan 16 20:46:28 2015: Starting jack server...
Fri Jan 16 20:46:28 2015: JACK server starting in realtime mode with priority 10
Fri Jan 16 20:46:28 2015: ERROR: Cannot lock down 82274202 byte memory area (Cannot allocate memory)
Fri Jan 16 20:46:28 2015: ERROR: cannot register object path "/org/freedesktop/ReserveDevice1/Audio0": A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0
Fri Jan 16 20:46:28 2015: ERROR: Failed to acquire device name : Audio0 error : A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0
Fri Jan 16 20:46:28 2015: ERROR: Audio device plughw:0 cannot be acquired...
Fri Jan 16 20:46:28 2015: ERROR: Cannot initialize driver
Fri Jan 16 20:46:28 2015: ERROR: JackServer::Open failed with -1
Fri Jan 16 20:46:28 2015: ERROR: Failed to open server
Fri Jan 16 20:46:29 2015: Saving settings to "/home/april-tyler/.config/jack/conf.xml" ...
20:47:26.302 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info.
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
我试过所有的 2s 了，这个sudo插孔无论怎样启动都无法启动，好像什么都没有工作
请帮忙，如果你能远程协助就更好了
答案1
您的用户需要加入音频组。
sudo usermod -a -G audio $USER
注销并重新登录以使更改生效。