Sunday, March 22, 2026

Re: active console question

Since you asked for com1, enable tty01 instead in /etc/ttys.


> On Mar 22, 2026, at 4:46 PM, Brian Brombacher <brian@planetunix.net> wrote:
>
> You can spawn a login prompt on com0 through /etc/ttys and avoid changing boot.conf. Enable tty00 in /etc/ttys.
>
> That's the best dual support you'll get.
>
>> On Mar 22, 2026, at 3:48 PM, Stuart Henderson <stu.lists@spacehopper.org> wrote:
>>
>> On 2026-03-22, Andrew Daugherity <andrew.daugherity@gmail.com> wrote:
>>>> I use
>>>>
>>>> ~ $ cat /etc/boot.conf
>>>> stty com0 115200
>>>> set tty com0
>>>> ~ $
>>>
>>> You can configure a serial console in boot.conf, and switch back to
>>> the default local console by holding the Ctrl during bootup to skip
>>> loading the conf file (on i386 & amd64 at least, not sure about other
>>> arches). From boot(8):
>>>
>>> boot.conf processing can be skipped, and the automatic boot
>>> cancelled, by holding down either Control key as boot starts.
>>
>> You've got to be very lucky with timing on some machines.
>>
>>
>> --
>> Please keep replies on the mailing list.
>>

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