As expected, the system update could not take place because thetutoruser does not exist in the sudoer file. Final Note You now know two techniques of adding any system user toSudoersunder theUbuntuoperating system environment. The use of Sudo-prefixed commands bySudoerusers creates a safety net...
Before we start with user management, it is important to know something about the root user in Linux. By default, Ubuntu does not allow the root user to log in directly (however, other Linux distributions such as Debian and CentOS allow direct root login); therefore, Ubuntu has created a ...
Here, the line(ALL : ALL) ALLin the above output indicates that the user "senthil" can run any command (ALL) as any user (ALL) with all available privileges. The output confirms that the user "senthil" has been granted unrestricted sudo privileges on the Debian 12 system, allowing him t...