Score:1

Ubuntu

How to add user to sudoers really?

ZedZip

6/21/24, 2:10 PM

Ubuntu 20.04. I have created 2nd user and try to do:

sudo su [sudo] password for xoleg: xoleg is not in the sudoers file. This incident will be reported. xoleg@oleg-HP-2004:~$

Then my other user added this 2nd user

>usermod -aG sudo xoleg

and yet this

>nano /etc/sudoers

# Allow members of group sudo to execute any command
%sudo   ALL=(ALL:ALL) ALL
# added this
username ALl=(ALL) NOPASSWD:/bin/mkdir,/bin/rmdir

after it again to xoleg session

>sudo su
[sudo] password for xoleg: 
xoleg is not in the sudoers file.  This incident will be reported.

Where am I wrong? how to fix it?

126

1 + 3

sudo

Raffa

6/21/24, 2:14 PM

Have you logged out and back in after adding the user to the group?

ZedZip

6/21/24, 2:23 PM

No, should this new added user logout/login?

Raffa

6/21/24, 2:24 PM

Yes, ... Please see https://askubuntu.com/a/1468587

Score:1

Ubuntu

CMB

7/29/24, 8:12 PM

This solution worked for me in Ubuntu 22.04. To get sudo access, switch to root first using:

su root

Enter your password when prompted, and then add user to sudo:

adduser username sudo

Enter your user name in place of username above, now switch back to current user again:

su username

That's all. Try to run sudo again with your user. I hope this solves your problem.

+ 3

Thomas Ward

7/29/24, 8:16 PM

Once you do the `su` and `adduser` just have the user log out and log in again, it'll solve the `sudo` problem. Because that's the proper way to refresh perms.

CMB

7/29/24, 8:18 PM

Yes, that also works. But if someone does not want to logout and login again then just `su username` works fine.

Thomas Ward

7/29/24, 8:42 PM

That's disadvised, until you exit out of `su root` because then you can just run `exit` and end up at a root prompt again. It's *extremely* insecure, so you need to make sure the user exits *after* they are done with root, then they can run `su username` and enter their password otherwise they're in a `root` prompt easily via the execution trees and you *do not* want users to stay in root prompts.

Elon Musk

I sit in a Tesla and translated this thread with Ai:

EN: How to add user to sudoers really?

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