Aug 15, 2018

Jun 02, 2020 sudo - Wikipedia visudo is a command-line utility that allows editing the sudo configuration file in a fail-safe manner. It prevents multiple simultaneous edits with locks and performs sanity and syntax checks . The program runas provides similar functionality in Microsoft Windows , but it cannot pass current directories, environment variables or long command visudo - Unix Tutorial visudo is a special tool in Unix/Linux for safely updating the /etc/sudoers file, used by the sudo command for providing and managing privileged access.. for safely updating the /etc/sudoers file, found in most Linux systems (Ubuntu for example). Here’s what the Ubuntu Linux man page says about visudo:

Instead of modifying the sudoers file by yourself, you are going to use visudo. Visudo is a tool that checks the integrity and the correctness of the commands typed before saving the sudoers file. To execute visudo, type the following command $ sudo visudo. You should now see the following screen

Aug 13, 2019

The advantages of doing it this way over adding the line in the echo command to /etc/sudoers using sudo visudo (as suggested by the other answers) are /etc/sudoers is sometimes modified by system updates, whereas files in /etc/sudoers.d aren't;

sudo EDITOR=vim visudo is the way to go if you do not want to change the configuration permanently (see an another answer below). – Alexander Pozdneev Feb 13 '18 at 7:04 This solution is not correct for the original question, because only address the problem in the Ubuntu/Debian case. All About Sudo on a Debian 10 Buster System – Linux Hint $ sudo visudo. Then, remove or comment out the line which marks the user as sudo. Save the file and the specified user is no longer recognized by the system as an authorized sudo user. How To Check Which Users Have Sudo Privilege in The System. sudo - How to set visudo to use a different editor than