96 lines
1.8 KiB
Nix
96 lines
1.8 KiB
Nix
{ config, pkgs, ... }:
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{
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# Minimal system packages
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environment.systemPackages = with pkgs; [
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vim
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nano
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git
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curl
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htop
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tmux
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rsync
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ncdu
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iotop
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nethogs
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lsof
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strace
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jq
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tree
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unzip
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zip
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pciutils
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usbutils
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smartmontools
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lm_sensors
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nmap
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tcpdump
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nettools
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bind.dnsutils
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openssl
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ethtool
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sysstat
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logrotate
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cron
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];
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# Nix optimization and garbage collection
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nix.settings = {
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auto-optimise-store = true;
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allowed-users = [ "@users" ];
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};
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nix.gc = {
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automatic = true;
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dates = "weekly";
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options = "--delete-older-than 90d";
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};
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# Docker configuration
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virtualisation.docker.enable = true;
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# Bootloader configuration
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boot.loader = {
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systemd-boot.enable = true;
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efi.canTouchEfiVariables = true;
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};
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# SSH Server configuration
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services.openssh = {
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enable = true;
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ports = [ 222 ];
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settings = {
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PasswordAuthentication = false;
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PermitRootLogin = "prohibit-password";
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};
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};
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# SSHGuard — monitors logs for brute-force attempts and blocks offending IPs
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services.sshguard.enable = true;
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# Security
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security.sudo.wheelNeedsPassword = true;
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# User configuration
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users.users.root = {
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openssh.authorizedKeys.keys = [
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"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMniNzAzuI527bfk/EipqFILFayUCwYXDoZ3R7+QgYq6 kawaiipunk@ZeroCool"
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];
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};
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# Firewall configuration — only expose HTTP, HTTPS, and SSH
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networking.firewall = {
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enable = true;
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allowedTCPPorts = [ 80 443 222 ];
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};
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# VM configuration (used when building with nixos-rebuild build-vm)
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virtualisation.vmVariant = {
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virtualisation = {
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memorySize = 2048;
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cores = 2;
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};
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};
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system.stateVersion = "25.05";
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}
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