jblk01's post in my pc Linux ubuntu wont read the bash bunny. LED light blue blinking was marked as the answer
@HD3 what about 'lsblk' and 'lsusb' ?
If it's still not detected, try running 'sudo dmesg -w' and then plugging in the Bunny in arming mode. I'd also try running this command too:
'sudo screen /dev/ttyACM0 115200'