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Installing over NixOS

The following section will guide you through the steps to install Athena OS on top of NixOS. This section is useful for those cases where by using Athena OS ISO the system is not installed correctly.

Install Athena OS over NixOS

Get the latest stable NixOS ISO from the official NixOS website and install it by following the NixOS Installation manual. For an easy post-configuration, use a UEFI system.

Once the installation has been ended, reboot the system and land in your NixOS environment.

Open terminal and run:

sudo nix-channel --update
nix-shell -p git
git clone https://github.com/Athena-OS/athena-nix
cd athena-nix/nixos
sudo cp -rf home-manager hosts modules pkgs users configuration.nix default.nix /etc/nixos/

Then, edit the file /etc/nixos/configuration.nix to set your favourite choices for Athena configuration, for example:

username = "athena"; # Change it by your favourite username
hashed = "$6$zjvJDfGSC93t8SIW$AHhNB.vDDPMoiZEG3Mv6UYvgUY6eya2UY5E2XA1lF7mOg6nHXUaaBmJYAMMQhvQcA54HJSLdkJ/zdy8UKX3xL1"; # The shown password hash is 'athena'. To set your password, change it by opening the terminal and run 'openssl passwd -6 "yourpassword"' and replace the result inside it to set the password of your user account
hashedRoot = "$6$zjvJDfGSC93t8SIW$AHhNB.vDDPMoiZEG3Mv6UYvgUY6eya2UY5E2XA1lF7mOg6nHXUaaBmJYAMMQhvQcA54HJSLdkJ/zdy8UKX3xL1"; # The shown password hash is 'athena'. To set your password, change it by opening the terminal and run 'openssl passwd -6 "yourpassword"' and replace the result inside it to set the password of your root account
hostname = "athenaos"; # Change it by your favourite hostname
theme = "sweet"; # You can choose between: akame, cyborg, graphite, hackthebox, samurai, sweet
desktop = "gnome"; # You can choose between: cinnamon, gnome, mate
dmanager = "gdm"; # You can choose between: gdm, lightdm
shell = "fish"; # You can choose between: bash, fish, zsh
terminal = "kitty"; # You can choose between: alacritty, kitty
browser = "firefox"; # Only firefox is available
bootloader = "systemd";

Save configuration.nix and run:

sudo nixos-rebuild switch

If you get a black screen with blanking cursor, it could occur due to the switching to a different display manager. In this case, reboot your computer and run again sudo nixos-rebuild switch.

After the switch command is successfully ended, reboot your system.