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The Natural Philosopher wrote:
> On 26/01/2025 09:47, Chris Green wrote:
> > The Natural Philosopher wrote:
> >> On 25/01/2025 22:34, Chris Green wrote:
> >>> I am trying to set up a new, headless Pi 4B. I have copied the 'lite'
> >>> image to a USB drive and created the empty 'ssh' file in the boot
> >>> partition.
> >>>
> >>> It boots OK and the ssh deamon is running but the default username
> >>> 'pi' and password 'raspberry' don't work. How on earth do I get into
> >>> it to start it up?
> >>>
> >>> I can edit files on the USB drive OK so I can add and modify entries
> >>> in /etc/passwd and /etc/shadow. So all I actually need to do is set it
> >>> up so the user 'pi' has no password but I'm not doing too well at
> >>> doing that at the moment.
> >>>
> >>> Any ideas, or other ways to get into it?
> >>>
> >>
> >> Others have told you how to use the imager, but IIRC all that does is
> >> set up a file in the VFAT partition....
> >>
> >> Here is a shameless cut'n paste
> >>
> >> Write the Raspberry Pi OS image to your SD card as normal
> >> Mount the newly written /boot partition on the Pi on your computer
> >> Create an empty file named ssh, without a file type / ending. On
> >> Linux and macOS, this is easily done with touch ssh if you’re in the
> >> right directory. This tells the OS to enable SSH access right away.
> >> Next, create a user with a password on the SD card as that’s not
> >> done automatically anymore.
> >> Create an encrypted password for your new Raspberry Pi user. On
> >> Linux and macOS, this can be done with OpenSSL. For added security,
> >> write the new password into a masked shell variable so it doesn’t show
> >> up in your computer’s shell history:
> >>
> >> [morph@void ~]$ read -s pw
> >> [morph@void ~]$ echo "$pw" | openssl passwd -6 -stdin
> >>
> >> $6$4E2z6hQOGLZCK5ZN$ESo2r/tO7Sy1Xmyp/bFzQ0A8zNNMhOoj0XocoGV
c8PVLcHlDr/kQiRvv/vOfdopLkylTVQSfK4n97SR9VGGF1
>
> >>
> >>
> >> the long random string is your encrypted password. Next, create
> >> another file next to the ssh file on the SD card’s boot partition named
> >> userconf.txt.
> >> Open userconf.txt with your favourite text editor and in the
> >> first and only line enter your desired username and the encrypted
> >> password, separated by a colon. It should look like this:
> >> morph:$6$4E2z6hQOGLZCK5ZN$ESo2r/tO7Sy1Xmyp/bFzQ0A8zNNMhOoj0
ocoGVbc8PVLcHlDr/kQiRvv/vOfdopLkylTVQSfK4n97SR9VGGF1
>
> >>
> >>
> >> And that’s it. Unmount your card, pop it into the Pi, connect it to your
> >> network and boot. You should now be able to SSH into it using your new
> >> credentials. No monitor needed.
> >>
> > I think an ssh key will be easier! :-)
> >
>
> I didn't find it so.
>
>
> Essentially you need to create a file userconf.txt with one line
>
> user:
>
> in the root of the VFAT boot partition
>
> And if you have a linux system already, you can cut and paste it out of
> your own /etc/shadow
>
> Plus an empty file called ssh. Using 'touch ssh'
>
> Hardly rocket science
>
True, I'm trying it now as my rpi-imager experience isn't being very
fruitful at the moment.
--
Chris Green
·
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