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[solved] Backspace key broken when running as root (sh.itjust.works)
submitted 4 weeks ago* (last edited 3 weeks ago) by to c/linux@lemmy.ml
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I've installed Void Linux base image and my backspace key is broken when I am root, it types '^H' instead of erasing. Function keys also type something weird, but at least the brighness-related ones do work.

This only applies to the root shell, it all works perfectly when I login as a normal user. Probably a bashrc issue?

UPD: I typed 'stty erase ^H' in the shell and it now works.

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[–] 33 points 3 weeks ago

Super users don't make mistakes.

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    [–] 7 points 3 weeks ago (1 child)

    Probably a locale issue

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    • [–] 7 points 3 weeks ago (1 child)

    [Solved], but what was your solution 👀

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    • [–] 7 points 3 weeks ago*

    Yeah, probably a .bashrc difference between users.

    It could also be ~/.inputrc (or /etc/inputrc if not in the user's home directory.) https://man.archlinux.org/man/readline.3

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    [–] 6 points 3 weeks ago (1 child)

    What does $TERM say for both users? I assume you use Bash for both users?

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  • [–] [S] 1 point 3 weeks ago (1 child)

    It says "linux" for both. You're right, I'm using bash

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  • [–] 5 points 3 weeks ago

    This is one of those issues where there's a billion different solutions based on a billion different reasons.

    Have you compared the configuration files? You most likely have some keybinding that root don't have, and hopefully works for root as well.

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    • [–] 3 points 3 weeks ago (2 children)

    You might also have a look at stty --all output: erase in particular.

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  • [–] [S] 2 points 3 weeks ago (1 child)

    It says 'erase = ^?'. How do I change this?

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  • [–] 3 points 3 weeks ago (1 child)

    What is it when you're root?

    What is it when you're not root?

    What does the command stty erase ^H do?

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  • [–] [S] 1 point 3 weeks ago (1 child)

    Is it possible to set this permanently?

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    • [–] 3 points 3 weeks ago

    I noticed this as well on Void, but never really looked into the cause, but like other people pointed out, the root user must be lacking some shell-related configuration or something. For me tab-completion and up arrowing through the command history was also broken for root. It frustrated me, but never enough to bother trying to solve it lol.

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