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Ubuntu is a popular Linux operating system for PC / mobile devices, etc.

Developed by Canonical & based on Debian (another older Linux OS) which is known for it's rock solid stability.

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How to change password to single character? (lemmy.ml)

submitted 5 days ago by [email protected] to c/[email protected]

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Please don't lecture me how this is not a good idea. The system is non critical with zero important data, I just need least effort to input and confirm password.

During install, Ubuntu 25.04 allowed me to type in 1 character long password, but I picked the wrong key that's not as convenient as I thought.

I've tried changing password and GUI won't allow me to do it and passwd complains about length and still makes it look like it changes it, but doesn't really. So, how can I bloody do it without reinstalling the whole damn OS again because only installer isn't complaining about it?

Thanks

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[–] [email protected] 1 points 5 days ago* (last edited 5 days ago)

~~I've never tried to set a password that short, but I would start with passwd on the command line.~~

Looks like an update to minlen in /etc/security/pwquality.conf may solve it.

I would also look into Auto Login, as well.

Edit: And if it's a remote system, I would definitely set up a password-less SSH key, instead, of course.