super user passwd

zhan han zhanhan.cn at gmail.com
Thu Mar 11 22:41:12 EST 2010


I think you can change uboot bootargs to enable console on ttyS0/ttyS1.

setenv bootargs '..... console=ttyS0,115200n8 ....'

Regards.

On Fri, Mar 12, 2010 at 9:22 AM, Xiangfu Liu <xiangfu at sharism.cc> wrote:
> Carlos Camargo wrote:
>>
>> Another question:
>>
>>
>> Is possible activate the serial console with a some input from serial
>> port? If not, this is possible?
>
> the [UART0] is not init in normal boot.
> you can press [power + S] then u-boot will init the UART0.
> and wait input from serial console for 5 secs before boot the kernel.
>
> if input nothing. the u-boot will boot kernel. then you can use the serial
> console
> in kernel.
> if input something. will goto u-boot console.
>>
>>
>>
>> Carlos
>>
>>
>> On Thu, Mar 11, 2010 at 6:49 PM, Carlos Camargo <cicamargoba at gmail.com
>> <mailto:cicamargoba at gmail.com>> wrote:
>>
>>    Hi
>>    As you know, I'm working on SAKC's Software side.
>>    We've already changed and flashed a modified qi-u-boot version.
>>    right now we are working on kernel, we flash the latest kernel image
>>    and rootfs and apparently, all works fine, but I have a problem
>>    SAKC use the serial port as console and doesn't have a keyboard, so,
>>    when I try to make a ssh connection the application ask me for a
>>    password.
>>
>>    There is a default passwd for super-user? If not, how can I set a
>>    default root passwd?
>>
>>
>>
>>    Best regards
>>
>>
>>    Carlos
>>
>>
>>    --     Carlos Iván Camargo Bareño
>>    Profesor Asistente
>>    Departamento de Ingeniería Eléctrica y Electrónica
>>    Universidad Nacional de Colombia
>>    cicamargoba at unal.edu.co <mailto:cicamargoba at unal.edu.co>
>>
>>
>>
>>
>> --
>> Carlos Iván Camargo Bareño
>> Profesor Asistente
>> Departamento de Ingeniería Eléctrica y Electrónica
>> Universidad Nacional de Colombia
>> cicamargoba at unal.edu.co <mailto:cicamargoba at unal.edu.co>
>>
>>
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>>
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