home-lab/modules/users/sma.nix
Geir Okkenhaug Jerstad 6fe8cdb790 feat: add NFS server and Transmission service to sleeper-service
- Created modules/services/nfs.nix for network file sharing
- Updated sleeper-service configuration with NFS and Transmission
- Fixed SSH key management to use direct key configuration
- Updated hardware-configuration to use sleeper-service hostname
- Added firewall ports for Transmission RPC (9091)
2025-06-05 16:31:09 +02:00

134 lines
3.2 KiB
Nix

# Admin User Configuration - sma
# Named after Diziet Sma, pragmatic Special Circumstances agent
# Role: System administration, security oversight, maintenance
{ config, pkgs, ... }:
{
users.users.sma = {
description = "Diziet Sma - System Administrator";
isNormalUser = true;
# Admin privileges
extraGroups = [
"wheel" # sudo access
"networkmanager" # network management
"libvirt" # virtualization management
"incus-admin" # container management
"podman" # container runtime
"docker" # docker compatibility (if needed)
];
# Security-focused shell setup
shell = pkgs.zsh;
# SSH key-based authentication only (no password login)
openssh.authorizedKeys.keys = [
# Admin key for server administration
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPgzKS1N7+7+N1/8U8++1pl4hapDm6TOy0QhrfrYA8mz geir@geokkjer.eu-admin"
];
# Essential admin packages
packages = with pkgs; [
# System monitoring and diagnostics
htop
iotop
nethogs
lsof
strace
# Network tools
nmap
tcpdump
wireshark-cli
curl
wget
# File and disk utilities
tree
fd
ripgrep
fzf
ncdu
# Text processing
jq
yq
# Version control (for system configs)
git
# Container management
podman-compose
# Backup and sync
rsync
rclone
# Security tools
age
sops
# NixOS specific tools
nixos-rebuild
nix-tree
nix-diff
];
};
# Admin-specific shell configuration
programs.zsh = {
enable = true;
autosuggestions.enable = true;
syntaxHighlighting.enable = true;
# Admin-focused aliases
shellAliases = {
# System management
"rebuild" = "sudo nixos-rebuild switch --flake /home/geir/Home-lab";
"rebuild-test" = "sudo nixos-rebuild test --flake /home/geir/Home-lab";
"rebuild-boot" = "sudo nixos-rebuild boot --flake /home/geir/Home-lab";
# Container management
"pods" = "podman ps -a";
"images" = "podman images";
"logs" = "podman logs";
# System monitoring
"disk-usage" = "df -h";
"mem-usage" = "free -h";
"processes" = "ps aux | head -20";
# Network
"ports" = "ss -tulpn";
"connections" = "ss -tuln";
# Git for infrastructure
"lab" = "cd /home/geir/Home-lab";
"lab-status" = "cd /home/geir/Home-lab && git status";
"lab-pull" = "cd /home/geir/Home-lab && git pull";
# Security
"audit-users" = "cat /etc/passwd | grep -E '/bin/(bash|zsh|fish)'";
"audit-sudo" = "cat /etc/sudoers.d/*";
};
};
# Sudo configuration for admin user
security.sudo.extraRules = [
{
users = [ "sma" ];
commands = [
{
command = "ALL";
options = [ "NOPASSWD" ]; # Allow passwordless sudo for admin tasks
}
];
}
];
# Admin user home directory permissions
systemd.tmpfiles.rules = [
"d /home/sma 0755 sma users -"
"d /home/sma/.ssh 0700 sma users -"
];
}