----- On Mar 6, 2020, at 4:24 PM, qubes-users [email protected]
wrote:
> [email protected]:
>> I'd like to use serial console (via a serial port on the mobo and appropriate
>> cable) into a piece of equipment using an appVM. I tried using dmesg, but
>> dom0
>> term says "operation not permitted".
>>
>> DM
>>
> Don't believe Xen/Qubes supports serial (or parallel) port redirection.
> Options would be to use some basic package in dom0 directly on the
> serial port, get a PCI card with serial ports on it and redirect the
> card to the AppVM, or a USB to serial adapter and redirect that.
>
> Not sure how you're trying to use dmesg, but you probably have to sudo
> to use a /dev/tty serial device directly in dom0.
>
> --
> - don't top post
> Mailing list etiquette:
> - trim quoted reply to only relevant portions
> - when possible, copy and paste text instead of screenshots
>
> --
It might not support redirection and for now I can live with that. However, I
keep forgetting about having to use sudo, and using "sudo dmesg | grep ttyS"
got me a listing of some serial ports. And agetty is in dom0, and that will
suffice for now I think. I'm not talking to the device yet, but I'm further
along in terms of knowledge.
Thank you.
DM
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