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Start by checking that there aren't any previous ssh keys inside the FIDO2 authenticator of your YubiKey. You can check if they exist by running the command below:
nix shell nixpkgs#yubikey-manager -c ykman fido credentials list
If the command above outputs a string mentioning "ssh" or "openssh", then you have already got a key generated and store on your YubiKey.
Evaluating additional authentication factors
Before generating a new ssh key to store on your YubiKey you must consider which additional required authentication factors you want to use. Below you can see a table with the available factors and their corresponding command:
Manage your /etc from home-manager (install home-manager as root)
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Golang: Demonstrate creating a CA Certificate, and Creating and Signing Certs with the CA
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Want to inject some flavor into your everyday text chat? You're in luck! Discord uses Markdown, a simple plain text formatting system that'll help you make your sentences stand out. Here's how to do it! Just add a few characters before & after your desired text to change your text! I'll show you some examples...
Nix can be used to build any kind of package. But here I'm just going to focus on the simple C&C++ case.
Firstly we have to know that the final built packages will located inside /nix/store. Which is globally readable directory of all build inputs and build outputs of the Nix system. The emphasis is on readable, not writable, that is /nix/store is meant to be modified by the user or programs except for the Nix system utilities. This centralises the management of packages, and keeps our packages and package configuration consistent.
So what exactly are we trying to build. Our goal is to build a directory that will be located in /nix/store/*-package-version/, where * is the hash of the package. Preferably a version is also available, but some C&C++ packages don't have versions, so in that case, there's only /nix/store/*-package/.
What will be inside this directory? It follows the GNU Coding Standards descri