I have a Tinker Edge T as a server, and it’s running Mendel Linux which is a default debian-based OS recommended by the manufacturer. One thing I really don’t like is the fact that if you plug in an HDMI cable and USB keyword, it will always give you access to a terminal as the default user, which doesn’t even need a password to become root either. Is there a general Linux way to set a password for the GUI like you can on regular desktop Linux, or otherwise require authentication before you get a terminal or any other functionality, so someone can’t just plug an HDMI cable and keyboard into the device and have root access to the entire device?
Edit your /etc/inittab
Correct. You want to look at removing or editing the getty.
Remove the HDMI port with pliers :D
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I’ve never used Mendel, but this suggestion on Stack Overflow seems sane.
sudo systemctl set-default multi-userYou could also run
get-defaultto see which target is currently being used.
