![]() Giving a new user general sudo access is the most frequent task users attempt when handling sudo rights. Acts requiring sudo privileges can no longer be carried out by the user bill. Run the following command to remove a user from sudo: deluser bill sudoīill will be removed from the sudo group via the deluser command. Simply add someone to sudo to grant them root access. The username bill will be visible if we run the grep command to examine who is a member of the group. Using the adduser command on the command line, we can add a user named bill to the sudo group as follows: adduser bill sudo In this way, the user names will be listed as a result of this. You can use the grep tool to determine whether users are members of the sudo group: grep ‘sudo’ /etc/group Visudo performs the necessary syntactic checks and ensures that only one user at a time can edit sudoers. It is advised to edit the sudoers file with visudo. You can use the command below to edit /etc/sudoers file: sudo visudo -f /etc/sudoers sudo update-alternatives -config editorĮxecute the following command to view the /etc/sudoers file after setting up visudo: sudo visudo How to Edit Sudoers File in Linux ![]() However, you can run the following command to change it back to vi. While visudo opens the file with the vi text editor, Ubuntu configures visudo to use the nano text editor. This keeps sudo activities from being halted by configuration issues, which might be the only way for you to gain root access. The visudo command opens a text editor as usual, but before saving, it checks the file’s syntax. It is crucial to use the visudo command when editing the /etc/sudoers file since erroneous syntax can result in a damaged system that prevents you from obtaining elevated privileges. To use visudo command, you must make root login possible. ![]() Log in to the terminal using the root account once it is open and ready to use. Press Ctrl + Alt + T on the keyboard to launch a terminal window, or look for a terminal in the program menu, to access the Sudoers file for editing. The visudo command at a terminal is used to edit the Sudoers file. The sudo command is configured through a file located at /etc/sudoers. Let’s go through this guide and learn how to use sudo and change sudoers file. Tutorial Edit Sudoers File and Manage Sudo Command in LinuxĪs a Linux user, you might by default have sudo access and be an admin.
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