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Why is my username not in the sudo file?
A broken sudo may be caused by any of the following: A user should not have been removed from the sudo or admin group. The /etc/sudoers file was altered to prevent users in sudo or admin group from elevating their privileges to that of root using sudo command.
When to use sudo to allow non-root users?
When administering a server, there may be some users who need limited root functionality to access certain, but not all, root functions. sudo (superuser do) allows you to configure non-root users to run root level commands without being root. Access can be given by the root level administrator through configuration of the /etc/sudoers file.
Can a sysadmin use sudo to delegate permissions?
As a sysadmin, I can use the /etc/sudoers file to allow users or groups of users access to a single command, defined groups of commands, or all commands. This flexibility is key to both the power and the simplicity of using sudo for delegation.
Why do I use sudo as a sysadmin?
This protects the system against accidental damage such as that caused by my own stupidity and intentional damage by a user with malicious intent. The sudo program is a handy tool that allows me as a sysadmin with root access to delegate responsibility for all or a few administrative tasks to other users of the computer as I see fit.
How to fix the sudoers permission in visudo?
Remember that it will asks you about installing the /etc/sudoers file, by inserting y say yes. Now there may be some different between permissions, run dpkg-reconfigure sudo to fix it. if it did not work, run visudo as root user, the sudoers file will be opened in an editor, then just save and close the file, visudo will fix the permission for you.
How to fix broken sudo command in Ubuntu?
How To Fix Broken sudo Command in Ubuntu If you happen to be running only Ubuntu on your machine, after powering it, press the Shift key for a few seconds to get the Grub boot menu. On the other hand, if you are running a dual-boot (Ubuntu alongside Windows or Mac OS X), then you should see the Grub boot menu by default.
Why is my sudoers file still on / etc?
Now If your /etc/sudoers still exists on /etc, move it somewhere else: Because we are going to tell our package manager that this file is missing, and it’s going to replace it for us with a correct one, so it shouldn’t be there.