nixos-config/ursa-minor/configuration.nix

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# Edit this configuration file to define what should be installed on
# your system. Help is available in the configuration.nix(5) man page, on
# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
{ config, lib, pkgs, ... }:
{
imports =
[
# Include the results of the hardware scan.
./hardware-configuration.nix
];
nix.settings.experimental-features = [ "nix-command" "flakes" ];
nixpkgs.config.allowUnfree = true;
# Use the extlinux boot loader. (NixOS wants to enable GRUB by default)
boot.loader.grub.enable = false;
# Enables the generation of /boot/extlinux/extlinux.conf
boot.loader.generic-extlinux-compatible.enable = true;
# For k3s
boot.kernel.sysctl = { "net.ipv4.ip_forward" = 1; };
boot.kernelParams = [
"cgroup_enable=cpuset"
"cgroup_memory=1"
"cgroup_enable=memory"
];
networking.hostName = "ursa-minor"; # Define your hostname.
# Pick only one of the below networking options.
networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.
# networking.networkmanager.enable = true; # Easiest to use and most distros use this by default.
# Set your time zone.
time.timeZone = "America/New_York";
# Configure network proxy if necessary
# networking.proxy.default = "http://user:password@proxy:port/";
# networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
services.k3s.enable = true;
services.k3s.role = "server";
services.k3s.extraFlags = toString [
# "--kubelet-arg=v=4" # Optionally add additional args to k3s
];
environment.variables = {
KUBECONFIG = "/home/nixos/.kube/config";
};
# Define a user account. Don't forget to set a password with passwd.
users.users.nixos = {
isNormalUser = true;
extraGroups = [ "wheel" ]; # Enable sudo for the user.
packages = with pkgs; [ ];
};
# List packages installed in system profile. To search, run:
# $ nix search wget
environment.systemPackages = with pkgs; [
docker
git
k3s
nodejs_21
nodePackages.pnpm
pulumi
pulumiPackages.pulumi-language-nodejs
slirp4netns # required by k3s
vim
];
# Some programs need SUID wrappers, can be configured further or are
# started in user sessions.
# programs.mtr.enable = true;
# programs.gnupg.agent = {
# enable = true;
# enableSSHSupport = true;
# };
# List services that you want to enable:
# Enable the OpenSSH daemon.
services.openssh.enable = true;
# Open ports in the firewall.
# networking.firewall.allowedTCPPorts = [ ... ];
# networking.firewall.allowedUDPPorts = [ ... ];
# Or disable the firewall altogether.
networking.firewall.enable = false;
# Copy the NixOS configuration file and link it from the resulting system
# (/run/current-system/configuration.nix). This is useful in case you
# accidentally delete configuration.nix.
# system.copySystemConfiguration = true;
# This option defines the first version of NixOS you have installed on this particular machine,
# and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
#
# Most users should NEVER change this value after the initial install, for any reason,
# even if you've upgraded your system to a new NixOS release.
#
# This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
# so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
# to actually do that.
#
# This value being lower than the current NixOS release does NOT mean your system is
# out of date, out of support, or vulnerable.
#
# Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
# and migrated your data accordingly.
#
# For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
system.stateVersion = "24.05"; # Did you read the comment?
}