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I am trying to STOP my linaro linux from automatically logging me into root when it boots up with a serial cable attached...

I have already tried manually stopping the service by addign a .override (which broke the whole root and I could not do anything)

can anyone point me in the right direction? I have a password set to the root user which obviously I never have to use because of this issue.

This system was installed and has always been like this since installation.

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  • Look into where it starts getty services for the serial console. Usually auto-login is handled by getty.
    – Tom Hunt
    Dec 1, 2015 at 15:55
  • @TomHunt I have tried this already :( this is what confuses me so much I cannot see anything that relations to an auto login.
    – TheHidden
    Dec 1, 2015 at 15:59

1 Answer 1

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OK I have solved this issue!

in my version of linux (linaro)...

cd /etc/init/auto-serial-console.conf

This file contains this line

exec /bin/auto-serial-console

then if you edit the above file you will find a big script but reading it carefully you will see it will lead you to this script:

/etc/default/autogetty

the script /etc/default/autogetty will then contain a line (or something similar)

AUTOGETTY_ARGS="-n -l /bin/auto-root-login"

change the above line to:

AUTOGETTY_ARGS="-n -l /bin/login"

This will now prompt you for a username and password when connecting via serial cable..

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