How to configure local two-factor authentication with U2F on Ubuntu 19.10

This guide covers how to secure a local Linux login using the U2F feature on YubiKeys and Security Keys. This does not work with remote logins via SSH or other methods. The commands in the guide are for an Ubuntu (or Ubuntu based) system, but the instructions can be adapted for any distribution of Linux.

Continue reading “How to configure local two-factor authentication with U2F on Ubuntu 19.10”