I'm using a external FTDI USB Serial Device converter on VyOS. After configured and rebooting, I'm not getting any output to console.
Configuration command used:
vyos@vyos# sudo ls -la /dev/serial/by-bus total 0 drwxr-xr-x 2 root root 60 Aug 15 17:15 . drwxr-xr-x 5 root root 100 Aug 15 17:15 .. lrwxrwxrwx 1 root root 13 Aug 15 17:15 usb0b2p1.0 -> ../../ttyUSB0 [edit] vyos@vyos# set system console device usb0b2p1.0 speed 9600
After configuring and rebooting service serial-getty@USB0 - inactive (dead):
journalctl output logs: