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I have a script that I call with sudo -- sudo script, and I want to be able to see the username of the user running the script (not root).

Sticking whoami or id -un inside the script just gives me root.

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2 Answers 2

up vote 10 down vote accepted

sudo creates an environment variable called SUDO_USER. You can use it in your script like so:

echo $SUDO_USER

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You can look at the SUDO_USER, SUDO_UID or SUDO_GID environmental variables to find this information.

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