So to get root, then add your user to the sudo group, use: But how do you get root in that case, since you can't modify or add users as a regular user? Use su - (or sudo su -), then add the user to the sudo group. The solution to this is to add that user to the sudo group. You might like: How To Install The Latest Firefox (Non-ESR) On Debian 10 Buster (Stable) Or Bullseye (Testing) Logix cdrom floppy audio dip video pugdev netdev scanner lpadmin Example with output of a Debian user that's not in the sudo group: If the groups command does not return sudo on Debian-based Linux distributions, then that username can't run commands with sudo. You can check if the currently logged in user belongs to the sudo group by using the groups command. But you may also see this if you created a new user but you forgot to add it to the sudo group, or if another user from your system removed the username from the sudo group. Sudo doesn't work by default on a Fresh Debian installation because your username is not automatically added to the sudo group (it does work on Ubuntu by default). This incident will be reported." on Debian (and Debian-based Linux distributions like Ubuntu). sudo allows system admins to execute commands as root (administrator) or another user.Įxample from a fresh Debian 10 (10.1) Buster installation on which sudo doesn't work: And as a piece of advice always keep a secure password.This article explains how to "fix" sudo not working on Linux, resulting in this message when trying to use it: "your-username is not in the sudoers file. Now you know how you can a new user and add that user to sudo group on Debian. If you are not logged in as root then use sudo in that command. Here –remove-home option will also delete that user’s home directory. Now when you are done and don’t need a user account anymore you can delete that account by the following command. You can now verify sudo access through any command. The above command will login you into the newuser account. For that switch to the new users account. Now as we have added the new user in sudoers group lets verify if its done properly. # usermod -aG sudo newusernameįor instance we are adding nick to sudoers group # usermod -aG sudo nick Step 5: Testing the newuser with sudo Now let’s add the new user to sudo group by using usermod command. For that, we need to add the new user to the sudo group. New users by default, will not be able to modify files out of their home directory. You can leave all of this information blank, just hit Enter. Once the password is successfully set, the command will ask about additional information of the user. This command will prompt you to enter the password for the new user’s account and then confirm it by retyping. # adduser newusernameįor example, here we are adding nick as the new user. To create a new user we are going to use adduser command here. Then you will typically receive a password through email use this password to login. If you have created a server instance without selecting an SSH key to use for authentication. Let’s start by logging in as a root user on Debian server via SSH # ssh replace server_ip_address with the IP address of your server. In this guide, we will see how to create a new user and then add that user or any other user to sudoers group on Debian. But the condition here is that the user who wants to use sudo needs to be in the sudo group on Debian. Basically sudo lets a regular user exercise some of the superuser powers. For instance, when a regular user wants to perform administrative tasks they can perform using sudo command. So to perform everyday administrative tasks sudo comes in. And Linux doesn’t even have an Undo option making another root account is risky. But we can’t make everybody a root user as it will be extremely dangerous. Tasks like installing, updating, upgrading, deleting important files, modifying configuration files, starting and stopping system services require root powers.Īs these tasks can modify the system and sometimes even harm the system they require root privileges. A superuser is a root user that has full system access and can do pretty much everything on the system. Sudo stands for superuser do means whats superuser can do.
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