From Wikipedia: The YubiKey is a hardware authentication device manufactured by Yubico to protect access to computers, networks, and online services that supports one-time passwords (OTP), public-key cryptography, and authentication, and the Universal 2nd Factor (U2F) and FIDO2 protocols developed by the FIDO Alliance. We’re going to create a ed25519 SSH key that lives on the YubiKey.

From Wikipedia: The YubiKey is a hardware authentication device manufactured by Yubico to protect access to computers, networks, and online services that supports one-time passwords (OTP), public-key cryptography, and authentication, and the Universal 2nd Factor (U2F) and FIDO2 protocols developed by the FIDO Alliance. To get up and running on a new machine with minimal fuss.

Why should you encrypt your disc in the first place? It’s for your own privacy. It’s to ensure that personal data doesn’t go astray.

Notes on bootstrapping Raspberry Pi OS. This blog post is written in the heavy influence of a cold. Take care with your copy and pasting. No more information at the point.

Bootstrap Raspberry Pi Zero 2 W with Ubuntu using cloud-init. OTG configured as network card, WiFi, ssh-keys from GitHub and zram swap enabled. All examples are made to be run on a Fedora Desktop. Adjust scripts if you use another distro.

From Wikipedia: WireGuard is a communication protocol and free and open-source software that implements encrypted virtual private networks (VPNs), and was designed with the goals of ease of use, high speed performance, and low attack surface.

Earlier we looked at how we could use Ubuntu cloud images with KVM. Now we will use the libvirt cli virsh and virt-install to do the same process. virt-install is a part of the virt-manager supporting tools. Fetch the Ubuntu Cloud image 🔗This only need to be done once, or when you want to update the cloud image.

mtr combines the functionality of the traceroute and ping programs in a single network diagnostic tool.

Ubuntu are using cloud-init for their cloud images. This can be used in combination with libvirtd and kvm to pre-configure your virtual machine at boot.

How to convert a root file system on a Raspberry Pi 4 b running Ubuntu 20.04 64 bit to Btrfs in a few simple steps.