SUDO SU PASSWORD HOW TO

Running sudo su without a passwordīy default, a command run with sudo requires that the user authenticates themselves using their own password.

Note that the sudo -su command differs from sudo su - in the sense that the su expression will be treated as option flags of the sudo command, where the -s flag is used to run a new shell, and the -u flag is used to run a command as a user different from root.

Change the current directory to the user’s home directory.ĭon’t confuse sudo -su with sudo su -!.

Initializes the environment variables HOME, SHELL, USER, LOGNAME and PATH.

Clear all the environment variables except for TERM.

Since the root account is disabled by default on most Linux distributions -which means that the root password is not set, in order to prevent anyone from directly logging into it-using the su command alone will certainly result in an authentication error with a message like su: Authentication failure: When called with no user specified, the su command will attempt to run an interactive shell as root, prompting you to enter the root password. Spawning a root shell with the su command

SUDO SU PASSWORD HOW TO

In this article, we’ll explain why these two commands are often combined together in order to access a root shell, and how to run sudo commands without having to type in the user password. sudo resides in the fact that the su command gives access to an interactive shell session, whereas the sudo command only allows to execute one command at a time. Like the sudo command, it is generally used to execute commands as the superuser (also known as the 'root' user). In Unix-like operating systems, the su command is used to temporarily log into another user account and execute commands using its privileges.

Sudo su password