Serial port support for VMs

Missing context: where is the config file to which I would add the code "serial0: socket"?
 
Missing context: where is the config file to which I would add the code "serial0: socket"?

If your VM ID is 101, then it would be /etc/pve/qemu-server/101.conf .

Naturally your VM needs to be powered off before hand-changes to this file will take effect.
 
As a console solution, that might be good for many people. (Although I don't think SPICE options on Mac are very good, though I have never had occasion to try.)

SPICE on Mac haven't yet worked for me ;( ;(