This article will explain how to switch back networking from NetPlan/CloudInit on Ubuntu 20.04 Focal Fossa Linux to yet now already obsolete networking
managed via /etc/network/interfaces
.
In this tutorial you will learn:
- How to revert to eth0..n network naming convention
- How to install
ifupdown
- How to remove CloudInit
- How to enable networking daemon
Switching back from NetPlan/CloudInit to the now obsolete networking daemon is not supported nor recommended as you might end up with a broken system.