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Thanks for the quick answer ! It helps ! Now i have the following message: `docker start gp6-01 -a` Cannot connect to the X server

Yes i have: ``` laurent@laurent-W94-95-97JU:~$ xhost +local:root non-network local connections being added to access control list laurent@laurent-W94-95-97JU:~$ docker start gp6-01 -a Cannot connect to the X server ```

I googled and it gives me a solution: adding -v $HOME/.Xauthority:$HOME/.Xauthority --net=host allows to start guitar pro 6. ``` docker run -e DISPLAY -v /tmp/.X11-unix:/tmp/.X11-unix/ -v /home/$USER:/home/$USER --device /dev/snd -v...

Well i just remembered that i don't use the last version ... I'll download and try the last official version.

I answer my question: By using JACK_DEFAULT_SERVER env variable we can set the server name to use. `export JACK_DEFAULT_SERVER=XR18;raysession` It seems to work fine with ray-jackpatch. BR, Laurent

Yes it is possible to connect several jack server (dummy or not) using Jamulus software (and may be sonobus , jacktrip ...). https://github.com/jamulussoftware/jamulus/discussions/1397

Jamulus can connect to windows, Mac and Linux and can be started several times on a single computer (Linux only) with several jack servers.

but unfortunately the audio is compressed in Jamulus ...

Hello, Jacktrip could do the job with uncompressed signal. It is a command line but you can use qjacktrip to learn about jacktrip options. Jacktrip works in hub mode and...

Hello Houston4444, I started in a terminal: ``` export JACK_DEFAULT_SERVER=DUMMY qjackctl -n DUMMY & raysession & Jamulus --clientname "DUMMY" & ``` In a second one : ``` export JACK_DEFAULT_SERVER=default qjackctl...