Using one RPI2 as a serial terminal for a second RPI2

[Borodin Oleg]

On Wed, 23 Mar 2016 00:49:03 -0300
Luiz Otavio O Souza <lists.br at gmail.com> wrote:

> On 22 March 2016 at 22:24, bob prohaska wrote:
> >
> > Is there a way to operate an RPI2  single user with the HDMI monitor
> > and a USB keyboard?  
> 
> Try this:
> 
> # sysctl kern.console=ttyv0
> 
> and then:
> 
> # shutdown now


How use usb keyboard _before_ kernel loading, with uboot/loader?

---

With best regards,

Oleg Borodin
onborodin at gmail.com