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gravypod

"Polkit (formerly PolicyKit) is a component for controlling system-wide privileges in Unix-like operating systems."

Calling it the sudo for UIs seems reasonable. It lets you manage the permission level of the UI you're using.

Does it do something else?

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Youre being too generous. GP's statement was,

"Did you know that polkit, the systemd replacement of sudo,"

He calls it a replacement of sudo which is is definitely not.

Uh, so, systemd don't recommend to use `sudo systemctl start blah`. Their idea is to use `systemctl start blah` and have polkit handle the authentication. Not sure what's unclear here.

The difference is that with `sudo systemctl ...` systemctl is run as root, but with PolicyKit only parts are. And if I understand it correctly PolicyKit allows more fine grained control over permissions than sudo.

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