this post was submitted on 18 Jul 2023
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    sudo !! (infosec.pub)
    submitted 1 year ago by [email protected] to c/[email protected]
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    [–] [email protected] 20 points 1 year ago (6 children)

    Upvote for “sudo !!” No one ever seems to know about “!!” And it’s such a useful command.

    I personally found out about it when I wrote a bash script that contained a password with two exclamation marks and I wondered why the last command kept being concatenated to the end of the password.

    Also checkout thefuck for fixing other various typos

    [–] [email protected] 1 points 1 year ago* (last edited 1 year ago) (2 children)

    My install of Endeavour doesn't have it, and I haven't been able to figure out what package to install to add it. Also haven't tried very hard cause it's just a minor convenience but if anyone knows ...

    Oooh it's cause I'm using fish isn't it? Is there a way to add it?

    [–] [email protected] 4 points 1 year ago (1 children)

    Had to check since this is something I've been wondering myself, but apparently not possible. From the fish FAQ:

    Because history substitution is an awkward interface that was invented before interactive line editing was even possible. Instead of adding this pseudo-syntax, fish opts for nice history searching and recall features. Switching requires a small change of habits: if you want to modify an old line/word, first recall it, then edit.

    However, for the use case here, with sudo:

    As a special case, most of the time history substitution is used as sudo !!. In that case just press Alt+S, and it will recall your last commandline with sudo prefixed (or toggle a sudo prefix on the current commandline if there is anything).

    [–] [email protected] 2 points 1 year ago

    Oh sick! Thank you!

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