[Buildroot] How to login as root without password

Thomas De Schampheleire patrickdepinguin+buildroot at gmail.com
Tue Jul 30 12:39:46 UTC 2013

Hi Zhou Qiang,

On Tue, Jul 30, 2013 at 12:43 PM, zhou qiang <zhouqiang.search at gmail.com> wrote:
> Hi , guys
> I am working on a server (no root permision)  , my intention is to create a
> root filesystem  for arm board ,and
> login as root ,directly to /bin/sh(no login window ).
> From the document , I know that it is not possible to use target/ , then I
> create a rootfs.tar in images/  , and
> extract it .what  I did  is as following :
> (1)  "fakeroot tar -xvf images/rootfs.tar -C work/rootfs " to extract it to
> rootfs directory ,
> since no root permision , fakeroot does a great job.
> (2) Adding  "ttyS0:respawn:~/bin/sh " to avoid requiring login .
> After burning the filesystem to development board.
> The problem is coming , current login is a ordinary user , what I expected
> is root user .

Are you using busybox or not?
By default, on a busybox system, you login as the root user. If this
is not the case, then something about your configuration will be

Best regards,

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