On Sun, 27 Dec 2020 at 05:32, Angelo Moreschini <mrangelo.fed...@gmail.com>
wrote:
> Hi
>
> some days before, I had a problem about using the *"beep" function..*
> ... working around, to solve my problem, I got the suggestion to register
> myself in the "audio group" ..
> I made it using these commands:
>
> *sudo adduser <my_name> audio*
>
This should have given a usage error:
Usage: adduser [options] LOGIN
adduser -D
adduser -D [options]
and also :
> *sudo usernod -G audio <my_name> *
>
I assume this was "sudo user*m*od -G audio <my_name>". This will replace
the list of
supplementary groups with just "audio", which will remove sudo privileges.
You need
"--append" (or "-a") to append "audio" to the supplementary groups.
What did you use for <my_name>? You seem to have two user names:
"angelo_user" and "angelo_dev".
>
>
> Actually (after this) I no longer have (I lose the) sudo privileges (I
> think, in consequence of these actions).
> As well my name still appears inside the /etc/sudoers/ file..,
>
> ## Allow root to run any commands anywhere
>
> root ALL=(ALL) ALL
>
> *angelo_user ALL=(ALL) ALL*
>
> (but i am not anymore in the wheel group)
>
If you no longer have a login with sudo privileges you will need to boot
another system (e.g., a live distro from a USB key) to
>
> When i try to use the sudo privileges, I get the message :
> *<"angelo_dev is not in the sudoers file. This incident will be
> reported.">*
>
Check the list of groups for "id", "id angelo_dev" and "id anglo_user".
>
> In conclusion :
>
> - I am still registered in the /etc/sudoers file
> - I am not anymore registered in the wheel group.
>
> I think it could be enough to register me in the "wheel" group again, in
> order to still get the sudo privileges, but I am not completely sure about
> this :
> *....because to be registered in /etc/sudoers is not enough ??...*
> (how it works the management of sudo privileges ? )
>
You should not need to be in the wheel group if your username is in
"/etc/sudoers".
>
> I would like sono help
>
> tank you
> regards
>
> Angelo
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