If the settings are correct, you should be switched to the root user without having to provide a password.Īlthough it’s possible to enable passwordless sudo for all Linux users, we do not recommend it for security reasons. The main sudo configuration in Ubuntu is located in /etc/sudoers. The process is exactly the same on Linux as it is. This step is taken care of on the client side. I use Ubuntu 20.04 for this tutorial, but you should be able to follow this tutorial on older versions of Ubuntu like Ubuntu 18.04 or newer version like Ubuntu 20.04 or Ubuntu 21.04. The first thing to be done is the generating of your SSH key pair. Sudo is an alternative to su for running commands as root. To test that the settings have been applied, connect to your server via SSH using the passwordless sudo user and run the following command: sudo -i In this tutorial we learn how to enable passwordless sudo in Ubuntu. Sudo allows a system administrator to delegate authority to give certain usersor groups of usersthe ability to run commands as root or another user while providing an audit trail of the commands and their arguments. Create a new file located here: /etc/sudoers.d/ ALL=(ALL) NOPASSWD:ALL You could run visudo and modify the core sudoers file, but a better option on Ubuntu 22.04 is to add a new configuration file to the /etc/sudoers.d/ folder. Using a sudo user, connect to the server via SSH. Peachy 7,117 10 38 46 asked at 9:30 aychedee 8,147 4 22 13 Related: Execute sudo without Password Eliah Kagan at 7:12 Add a comment 6 Answers Sorted by: 389 Okay, I have discovered the answer so may as well put it here for completeness. If you see the following error, you need to enable passwordless sudo for the specified Linux user. Dont include the default recipe of the sudo cookbook at all. The goal is to remove the need of password / pem file in EC2, so I can set up a hadoop cluster. The SSH user requires root privileges and must be able to run sudo commands non-interactively. Best Solution Set the nodeauthorizationsudopasswordless attribute to true. As you can see, I'm trying a lot of methods to get it to work, however, none of them have succeed so far. This is a Linux user that will be used by SpinupWP to connect to the server and set it up. If you’ve provisioned a server at your provider and are connecting it to SpinupWP, you will be asked to specify an SSH user.
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