This means that no password is set for root, and you cannot use su to switch to root. The sudo command allows you to run programs as another user, by default the root user. If the user is granted with sudo assess, the su command is invoked as root.

How do I find my su password?

For su ing you would ned the password of the target account, root in this case. But on Mac OS X, root doesn’t have a password, su this will never work. You can however use sudo -i which will give you a root shell too. You need to enter your user’s password there.

How do I login as su in Linux?

You need to use any one of the following command to log in as superuser or root user on Linux: su command – Run a command with substitute user and group ID in Linux. sudo command – Execute a command as another user on Linux.

Does su require password?

The primary difference between the two is the password they require: while ‘sudo’ requires current user’s password, ‘su’ requires you to enter the root user password.

Is su password same as sudo?

sudo is used as a prefix to Linux commands, which allows the logged in user to execute commands that require root privileges. Unlike su , the sudo command in Linux requires providing the password for the user running the command.

What is the password for SU in Linux Mint?

The same password as you use to login to Linux Mint. su uses the password of the user you want to run a command as. If you’re trying to use su to become root you must first set a password for root, and then you will have to use that password (and not your own) when running a command as root with su.

How to use su command in Linux?

su is the short form for a switch or substitute user. su command in Linux is used to run a shell with a different user. With the su command, you can easily switch to the root user or any user in the system. This tutorial will introduce various methods to use the su command in the Linux system. su [options] [-] [ […]]

What is the default username and password for SU?

The same goes for my username. What is the default password for su? It’s not a default password, it’s the root’s password. You set it during the linux installation process. If running ubuntu, maybe you want to use sudo to get administrator privileges. simily giving “su” or “su -” will prompt for root password.

How do I run Su as root in Linux?

su uses the password of the user you want to run a command as. If you’re trying to use su to become root you must first set a password for root, and then you will have to use that password (and not your own) when running a command as root with su. The recommended way to become root is not to use su (or “sudo su”) but to use sudo -i.