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Athena OS leverages on two repositories for accessing to security tools and learning resources in a comfortable manner. They are:

Athena uses stable version of Nixpks repository and it is managed by Nix Channels. To keep the nix channel of the stable version updated, in order to retrieve always the most updated stable packages, run:

sudo nix-channel --update

Athena Nix repository can be used also by flakes. In this manner an host can retrieve a specific configuration set in Athena Nix remotely with minimum effort. The usage of flakes is specified in the main page of Athena Nix repository. To keep update flakes in order to retrieve always the latest updated packages, run:

sudo nix flake update