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Run command as not-root
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this post was submitted on 02 Nov 2023
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Linux
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Linux privilege only understands user id’s and group id’s. These are mapped through /etc/passwd and /etc/groups. You will see in passwd that the root user has UID 0. Any account you create with UID 0 will have root privileges. So running the command specifying any user with UID!=0 will run without those privileges.
It’s also possible to set user on execution with setuid - but that won’t work on scripts only binary executables.
https://en.wikipedia.org/wiki/Setuid
https://en.wikipedia.org/wiki/User_identifier
https://en.wikipedia.org/wiki/Group_identifier