Linux Basics: How to Sudo in Linux without Password

Author: Jeremy Druin
Twitter: @webpwnized

This demo on Ubuntu Linux shows how to configure sudo so the user does not have to type in their password to run sudo commands. The simple demo uses visudo available on most popular Linux distributions so this technique will work on many distributions. Ubuntu is not special in this case. Other Linux distributions where this was tested include Debian Linux and Kali Linux, but should work similarly on RedHat distributions like CentOS.

The password feature on sudo is there by default for safety and security reasons, so it is assumed anyone watching this video understands these security concerns and the consequences of not having password protection on the sudo command.

Welcome to our comprehensive guide on how to configure and use the "sudo" command in Linux without requiring a password entry. In this tutorial, we'll walk you through the steps to grant users passwordless sudo access, simplifying and streamlining your Linux system administration tasks.

Video Highlights:
Introduction to passwordless sudo in Linux
Understanding the "sudo" command and its significance
Safely editing the sudoers file
Enabling passwordless sudo access for specific users
Testing passwordless sudo privileges
Best practices for maintaining security

By the end of this video, you'll be equipped with the knowledge and skills to configure your Linux system to allow specific users to run privileged commands without the need to enter a password each time. This can be incredibly useful for automation, scripting, and managing your Linux server efficiently.

If you found this tutorial helpful, please consider giving it a thumbs up, subscribing to our channel, and clicking the notification bell to stay updated with our latest Linux tutorials and tech tips.

Have questions or need further assistance? Feel free to leave a comment, and we'll be happy to help. Share this video with your fellow Linux enthusiasts and system administrators who may benefit from this valuable information.

Thank you for watching, and let's dive into the world of passwordless "sudo" in Linux!

#Linux #Sudo #SystemAdministration #PasswordlessSudo #LinuxSecurity #LinuxCommands #TechTutorials #LinuxTips #RootAccess #LinuxPrivileges

The webpwnized YouTube channel is dedicated to information security, security testing and ethical hacking. There is an emphasis on web application security but many other topics are covers. Some of these include forensics, network security, security testing tools and security testing processes. The channel provides videos to encourage software developers and system administrators to perform security testing. Also, the channel educates the next generation of security testers and bug bounty hunters who want to respectfully, legally and ethically help system owners that allow security testing.

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[henryjones]

Thank you, the best bit was you showing/explaining how to save and exit. Mate, that was a laptop saver, thanks again.

[ayeshazakria]

what you entered at 1:20
i mean which password for visudu.
mine is not working same as of you

[butidipeere]

Straight forward, thank you sir. I have a challenge though, after inserting the sudo command, I press 'Enter', after this my key boards just ceases to function (I cannot enter my password)... please help.
(I'm using version 20.04)

[canuck]

I actually want Sudo to ask for my password but don't know how to make it do it

[bubbiesocutie]

what if the changes are saved
but not taking effect :(

[econrith]

I am so safe now i can do absolutely nothing in my new vanessa mint my password will not work and the terminal does not accept anything at all in it not even sudo

[SagarKumar-qntt]

I am not able to write password in my terminal .
Please help me sir

[anonkhamxomphou]

When i try to put in the password it keeps saying Sorry try again pls help me

[qorabilanqizil]

Thanks to you, I, a new linux user can now su without password. I am very gratefull sir!

[marsamuk]

Hi. I have an Oracle Linux server that’s joined to an Active Directory domain. I want to grant a specific Active Directory group the ability to switch to the oracle user without entering a password using the su - oracle command. How can I achieve this? Could you provide an example for configuring the sudoers file correctly to allow members of this group to execute the command without a password prompt?

Thank you for your guidance.

[trustabyss]

It works but you have to add it to the very bottom of the file. It won't work if you add it anywhere else. I'd imagine it has something to do with the #includedir but then again I'm new to this whole GNU/Linux thing. So far I configured my server's firewall, public key access, and disabled root account.

[mariash]

What is password of sudo I don't know what you mean??

[econrith]

sudo visudo does not run in vanessa linux mint . i am forced to lose everything AGAIN. Linux getting to be a bitch

[siik-ghostface]

Is sudo password same as your login password to login at login page?

[DiyintheGhetto]

Hello i have a question when my screen goes off and i wake it up by moving the mouse it keeps asking me for a password. How can i stop that. This way you are doing it will work?

[studyonline]

Video was good but I have a query. I locked a file using "chmod 700" and changed its ownership to "root:root". So, as a root, when I open it for the first time it asks for the password. That's what I want. However, when I open it using "open as root" it won't ask me the password(THE SECOND TIME). Let's say I have a private file and I just had a glance and closed it. Some random user can open it as stated in aforementioned way. My question is how to authenticate everytime?

[mrcritique.]

How do I find out what my password is?

[alexandermamani]

Thanks brother! o como dirían en mi país, gracias maquinaa!

[dzghost]

Thanks buddy for the help appreciated a lot

[meanscatter]

Just sht I don’t know, I know so little