Temporary failure resolving error on Ubuntu 20.04 Focal Fossa Linux - LinuxConfig.org

The following tutorial will provide you with simple to follow steps on how to resolve the Temporary failure resolving error on Ubuntu 20.04 Focal Fossa Linux
This is a companion discussion topic for the original entry at https://linuxconfig.org/temporary-failure-resolving-error-on-ubuntu-20-04-focal-fossa-linux

What if Step 2 results in:
“Failed to get global data: Unit dbus-org.freedesktop.resolve1.service not found.” ?
Cheers, stefan