How to update OpenSUSE Linux software and kernel using CLI

Originally published at: https://www.cyberciti.biz/faq/update-opensuse-linux-software-kernel-command/

I am a new OpenSUSE Linux server user. How do I upgrade and update OpenSUSE Linux software and kernel from the CLI? How do I use the command line tool to upgrade your system to the latest version of openSUSE software and kernel?