How to Install sudo on OpenSUSE to execute commands as root ?

This article will guide you on how to use the root user on #OpenSUSE Linux and the sudo command.To use sudo, you need to install and configure sudo on the OpenSUSE #Linux server. The #sudo command allows you to run #programs with the security privileges of another user (by default, as the #superuser). Using the #sudoers file, system administrators can give certain users or groups access to some or all commands without those users having to know the root password.

Complete Steps to take in order to disable ssh password login on Ubuntu to enhance security

In this article, you will learn how to disable password authentication for SSH including the root user. This will enable the server to only accept key based login and the root user can not login with password.