The folks at Openschemes.com have written up an article on how to convert a USB serial port adapter to a low voltage serial interface for interfacing with microcontrollers. Though you can always just ...
The distro in question is Proxmox though that likely isn’t a factor. It’s straightforward to start the systemd unit that fires up console on /dev/ttyUSB0 and connect to it, log in, etc…. But I don’t ...