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Subject: Re: single user mode?
From: Tom Pusateri <pusateri@bangj.com>
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Date: Sat, 6 Dec 2014 14:26:21 -0500
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> On Dec 6, 2014, at 2:17 PM, Anton Shterenlikht <mexas@bris.ac.uk> =
wrote:
>=20
>> =46rom lists.br@gmail.com Sat Dec  6 14:22:54 2014
>>> Is it possible to enter a single user mode
>>> on arm 10.1-release?
>>>=20
>>> My disk, well.. the sd card, got corrupted,
>>> so wanted to run fsck on it, but cannot
>>> enter a single user mode. I ended up putting
>>> the sd card into a laptop and running fsck there.
>>> This fixed lots of panics, but is it possible
>>> to enter the single user mode on arm, and
>>> run fsck directly there?
>>=20
>> If you are using RPi with official or crochet images then yes, you =
can
>> force it to boot in single user mode and run fsck, but (and there
>> always a but) you can only do that from serial console, the vt
>> framebuffer starts too late to allow you to break into loader prompt.
>=20
> so I need a usb to serial converter for this, right?
>=20
> Anton
>=20

You need a TTL serial cable. I have used this one successfully which is =
around $5 USD:

=
http://www.amazon.com/gp/product/B008AGDTA4/ref=3Doh_aui_detailpage_o06_s0=
0?ie=3DUTF8&psc=3D1

Tom