Presumably due to the potential risks involved with using 'su' or logging directly as root, some Linux distributions - like Ubuntu - disable the root user account by default. Users are encouraged to use 'sudo' whenever they need root privileges. However, you can still do 'su' successfully, i.e, without entering the root …

Ubuntu Manpage: sudo_root - How to run administrative commands For instance consider sudo ls > /root/somefile will not work since it is the shell that tries to write to that file. You can use ls | sudo tee /root/somefile to get the behaviour you want. * In a lot of office environments the ONLY local user on a system is root. All other users are imported using NSS techniques such as nss-ldap. How to Run sudo Without Password - Linux Handbook Learn how to run some or all sudo commands without entering the password on Ubuntu or any other Linux distribution. Most Linux distributions like Ubuntu, Debian, Fedora use the sudo mechanism to allow admin users to run commands with root privileges.. When you run a command with sudo, it asks for your account’s password.

Sudo Sudo allows a system administrator to delegate authority to give certain users—or groups of users—the ability to run commands as root or another user while providing an audit trail of the commands and their arguments. Sudo is an alternative to su for running commands as root.

sudo - Wikipedia sudo (/ s uː d uː / or / ˈ s uː d oʊ /) is a program for Unix-like computer operating systems that allows users to run programs with the security privileges of another user, by default the superuser. It originally stood for "superuser do" as the older versions of sudo were designed to run commands only as the superuser. However, the later versions added support for running commands not How to Find/Change Ubuntu Default Root Password May 07, 2019

Presumably due to the potential risks involved with using 'su' or logging directly as root, some Linux distributions - like Ubuntu - disable the root user account by default. Users are encouraged to use 'sudo' whenever they need root privileges. However, you can still do 'su' successfully, i.e, without entering the root …

May 07, 2019 How to become Root user in Ubuntu Command Line using su Jan 14, 2019 Ubuntu Manpage: sudo_root - How to run administrative commands For instance consider sudo ls > /root/somefile will not work since it is the shell that tries to write to that file. You can use ls | sudo tee /root/somefile to get the behaviour you want. * In a lot of office environments the ONLY local user on a system is root. All other users are imported using NSS techniques such as nss-ldap.