Tuxguitar No Sound
In case if there is no sound in TuxGuitar in linux, do the following
1 Install package tuxguitar-jsa
sudo apt install tuxguitar-jsa
2 Update MIDI port into TuxGuitar settings
Go to Tools -> Settings. A new window with TexGuitar configs will be opened. Find Sound section and change MIDI port to Gervill:
Close Settings window and verify everything works fine.