How can I sudo without password?

How to to run sudo command without a password:

Gain root access: su –
Backup your /etc/sudoers file by typing the following command:
Edit the /etc/sudoers file by typing the visudo command:
Append/edit the line as follows in the /etc/sudoers file for user named ‘vivek’ to run ‘/bin/kill’ and ‘systemctl’ commands:

How do I find my sudo password in CentOS?

Changing the Root Password in CentOS

Step 1: Access the Command Line (Terminal) Right-click the desktop, then left-click Open in Terminal. Or, click Menu > Applications > Utilities > Terminal.
Step 2: Change the Password. At the prompt, type the following, then press Enter: sudo passwd root.

Why is sudo not asking for password?

1 Answer. Your current user is probably member of a privileged group that enables him to enter sudo commands without password. In this example members of admin and sudo group can issue any command with sudo, but are prompted with a password ; members of the nopwd group are not prompted with a password.

Can I use Ubuntu without a password?

Different to automatic login, you need to click on the username in the login screen, it bypasses the password prompt and log into Ubuntu desktop directly. …

What is sudo password for user?

Sudo password is the password that you put in the instalation of ubuntu/yours user password, if you don’t have a password just click enter at all. Thats easy probaly you need to be an administrator user for using sudo.

Can a Linux user have no password?

You can create a user without a password on Linux using the “passwd” command as follows : Run the useradd command to create a user account as shown in the example below. Once you have created the user, use the passwd command to remove the user’s password.

What is the default password for a new user in Linux?

Authentication can be handled in many different ways in Linux. Password authentication via /etc/passwd and /etc/shadow is the usual default. There is no default password. A user is not required to have a password.

How can I set Sudo password?

How to Change sudo Password in Ubuntu Open the Ubuntu command line. We need to use the Ubuntu command line, the Terminal, in order to change the sudo password. Log in as root user. Only a root user can change his/her own password. Change the sudo password through the passwd command. Exit the root login and then the Terminal.

How to create Sudo user on CentOS [Quickstart]?

Follow the steps bellow to create a sudo user on your CentOS server. Start by logging in to you CentOS server as the root user . ssh [email protected]_ip_address Create a new user account using the useradd command. useradd username Use the passwd command to set a password for the new user . Add the new user to the wheel group.

What is my Sudo password?

How do I access root in Ubuntu?

Running Root Commands with Sudo Press Ctrl+Alt+T to open a terminal window. Type sudo before the rest of your command. Type gksudo before running a command that opens a program with a Graphical User Interface (GUI). Simulate a root environment. Give sudo access to another user.