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Author SHA1 Message Date
568e0006de fix: correct sha256 hashes for Reticulum packages
- reticulum-0.7.0: sha256-Yku40tRpQh22m4HX142cU/VevHAEfgHZicKFOyp1U/o=
- nomadnet-0.5.2: sha256-WP4IrlKLzFP0U8/00mOo8D9Jp2ubr6Q0peKbw401Nhw=
- lxmf-0.5.1: sha256-2zwTgG283qx1Bt6TKaGJtcwPr2tCNOOIASu8RXC/QLE=
- sidechannel: removed (not available on PyPI)

Cross-compilation note: Full build requires aarch64 hardware or QEMU binfmt setup.
2026-04-30 00:09:43 +00:00
8325cf27b6 feat(uconsole): add Reticulum network stack packages
- reticulum: Reticulum Network Stack (from PyPI)
- nomadnet: Reticulum browser/messaging client
- lxmf: Lightweight Mesh Exchange Protocol
- sidechannel: Visual UI for Reticulum

Packages are built from PyPI using buildPythonPackage.
2026-04-30 00:08:33 +00:00
f54a922b8b feat: add uConsole CM5 host configuration
- Add nixos-uconsole and nixos-hardware inputs for CM5/RPi5 support
- Create hosts/uconsole/configuration.nix with HAM radio, SDR, and security tools
- Create hosts/uconsole/hardware-configuration.nix for CM5 hardware
- Register uConsole in flake.nix nixosConfigurations
- Add uconsole host key placeholder to lib/keys.nix
2026-04-30 00:07:43 +00:00
16 changed files with 305 additions and 704 deletions

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@@ -1,33 +0,0 @@
name: Build NixOS config
on:
pull_request:
branches: [ master ]
paths:
- '**.nix'
- 'flake.lock'
- 'secrets/**'
- 'hosts/**'
- 'modules/**'
push:
branches: [ master ]
paths:
- '**.nix'
- 'flake.lock'
- 'secrets/**'
- 'hosts/**'
- 'modules/**'
jobs:
build:
runs-on: nixos-builder
steps:
- name: Checkout
run: |
git clone -b "${{ github.head_ref || github.ref_name }}" \
https://gitea:${{ secrets.GITHUB_TOKEN }}@code.lazyworkhorse.net/gortium/infra.git .
git log --oneline -3
- name: Build NixOS config (lazyworkhorse)
run: |
nix --version
nh os build .#lazyworkhorse 2>&1

View File

@@ -5,7 +5,6 @@ This document outlines the development conventions for this NixOS-based infrastr
## Build & Deployment
- **Build/Deploy:** Use `nixos-rebuild switch --flake .#<hostname>` to build and deploy the configuration for a specific host.
- **CRITICAL — Validate before pushing:** Always `nix build --no-link '.#nixosConfigurations.<hostname>.config.system.build.toplevel'` (or `nh os build`) and confirm it succeeds before pushing any changes. Never push untested NixOS configs.
- **Development Shell:** Activate the development environment with `nix develop`.
## Linting & Formatting

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@@ -1,106 +0,0 @@
# ollama-gfx906/Dockerfile
#
# Custom ollama image with ROCm 6.1 + gfx906 (MI50) support.
# The official ollama/rocm image ships ROCm 7.2 which dropped gfx906.
# This uses v0.23.2's native CMake build system with AMDGPU_TARGETS including gfx906.
#
# Build: docker build -t ollama/ollama:rocm-gfx906 ai/ollama
FROM rocm/dev-ubuntu-22.04:6.1.2-complete AS builder
# Build dependencies (CMake, Ninja, Go)
ARG CMAKEVERSION=3.31.2
ARG NINJAVERSION=1.12.1
ARG GOLANG_VERSION=1.22.0
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
curl git ccache build-essential pkg-config unzip \
&& rm -rf /var/lib/apt/lists/*
# Install CMake from official binaries
RUN curl -fsSL https://github.com/Kitware/CMake/releases/download/v${CMAKEVERSION}/cmake-${CMAKEVERSION}-linux-x86_64.tar.gz \
| tar xz -C /usr/local --strip-components 1
# Install Ninja
RUN curl -fsSL -o /tmp/ninja.zip \
https://github.com/ninja-build/ninja/releases/download/v${NINJAVERSION}/ninja-linux.zip \
&& unzip /tmp/ninja.zip -d /usr/local/bin && rm /tmp/ninja.zip
# Install Go
RUN curl -fsSL https://go.dev/dl/go${GOLANG_VERSION}.linux-amd64.tar.gz \
| tar xz -C /usr/local
ENV PATH=/usr/local/go/bin:$PATH
ARG OLLAMA_VERSION=v0.23.2
RUN git clone --depth 1 --branch ${OLLAMA_VERSION} https://github.com/ollama/ollama.git /build
WORKDIR /build
# ROCm paths
ENV HIP_PATH=/opt/rocm
ENV ROCM_PATH=/opt/rocm
ENV CMAKE_GENERATOR=Ninja
ENV LDFLAGS=-s
# Step 1: Build CPU backends with GCC (no ROCm preset)
# Pre-set CMAKE_HIP_COMPILER="" to prevent check_language(HIP) from
# finding a HIP compiler (it searches /opt/rocm even without PATH).
# Remove /opt/rocm from PATH to prevent find_program from finding hipcc.
RUN mkdir -p build-cpu && \
PATH=/usr/local/go/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin \
cmake -B build-cpu -DCMAKE_BUILD_TYPE=Release \
-DCMAKE_HIP_COMPILER="" \
-DCMAKE_INSTALL_PREFIX=/build/dist && \
cmake --build build-cpu --target ggml-cpu -- -l $(nproc) && \
cmake --install build-cpu --component CPU --strip && \
echo "=== CPU install ===" && \
(find /build/dist/lib/ollama -type f -o -type l 2>&1 | head -20 || echo "empty")
# Step 2: Build HIP backend with ROCm preset + gfx906 target only
# The ROCm 6 preset enables HIP language detection (enable_language(HIP))
# which ensures GPU kernels are properly compiled for gfx906.
# OLLAMA_RUNNER_DIR=rocm from the preset, so HIP goes to lib/ollama/rocm/
# Need CMAKE_PREFIX_PATH so find_package(hip) finds hip-config.cmake
# at /opt/rocm/lib/cmake/hip/hip-config.cmake.
RUN mkdir -p build-hip && \
cmake -B build-hip \
--preset 'ROCm 6' \
-DAMDGPU_TARGETS="gfx906:xnack-" \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_PREFIX_PATH="/opt/rocm" && \
cmake --build build-hip --target ggml-hip -- -l $(nproc) && \
cmake --install build-hip --component HIP --strip && \
echo "=== HIP install ===" && \
find /build/dist/lib/ollama -type f -o -type l | head -20
# Step 3: Build Go binary (GCC for CGo linking)
ENV CGO_ENABLED=1
RUN go build -trimpath -ldflags="-X=github.com/ollama/ollama/version.Version=${OLLAMA_VERSION}" -o /build/dist/ollama .
# ---------- Runtime image ----------
FROM ubuntu:24.04
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
ca-certificates curl libstdc++6 libgomp1 libvulkan1 libopenblas0 \
&& rm -rf /var/lib/apt/lists/*
# Copy ROCm 6.1 runtime libraries
# These are needed at runtime by ggml-hip via LD_LIBRARY_PATH
COPY --from=builder /opt/rocm/lib/ /opt/rocm/lib/
COPY --from=builder /opt/rocm/share/ /opt/rocm/share/
# Copy ollama binary + all backends (CPU + HIP)
# CPU install: /build/dist/lib/ollama/libggml-*.so
# HIP install: /build/dist/lib/ollama/rocm/libggml-hip.so
COPY --from=builder /build/dist/ollama /usr/bin/ollama
COPY --from=builder /build/dist/lib/ollama/ /usr/lib/ollama/
RUN ldconfig
ENV LD_LIBRARY_PATH=/opt/rocm/lib:/usr/lib/ollama/rocm:/usr/lib/ollama
ENV HSA_OVERRIDE_GFX_VERSION=9.0.6
ENV HCC_AMDGPU_TARGET=gfx906
ENV HSA_ENABLE_SDMA=0
EXPOSE 11434
ENTRYPOINT ["/bin/ollama"]
CMD ["serve"]

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@@ -12,6 +12,10 @@
url = "git+https://git.lix.systems/lix-project/lix?ref=main";
inputs.nixpkgs.follows = "nixpkgs";
};
# uConsole CM5 hardware support
nixos-uconsole.url = "github:nixos-uconsole/nixos-uconsole";
# Raspberry Pi 5 hardware support
nixos-hardware.url = "github:nixos/nixos-hardware/master";
self.submodules = true;
};
@@ -61,7 +65,6 @@
./modules/nixos/services/open_code_server.nix
./modules/nixos/services/ollama_init_custom_models.nix
./modules/nixos/services/openclaw_node.nix
./modules/nixos/security/ai-worker-restricted.nix
./users/gortium.nix
./users/ai-worker.nix
];
@@ -80,6 +83,20 @@
./hosts/cyt-pi/hardware-configuration.nix
];
};
uConsole = nixpkgs.lib.nixosSystem {
specialArgs = { inherit self keys paths inputs; };
modules = [
{
nixpkgs.overlays = overlays;
nixpkgs.config.allowUnfree = true;
nixpkgs.hostPlatform = "aarch64-linux";
nix.package = lix.packages."aarch64-linux".default;
}
./hosts/uconsole/configuration.nix
./hosts/uconsole/hardware-configuration.nix
];
};
};
devShells.${system}.default = devShell;
};

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@@ -36,7 +36,7 @@
"transparent_hugepage=always" # because mucho ram
];
# 2. Load the specific drivers found by sensors-detect
boot.kernelModules = [ "nct6775" "lm96163" "iptable_nat" "iptable_filter" ];
boot.kernelModules = [ "nct6775" "lm96163" ];
# 3. Force the nct6775 driver to recognize the chip if it's stubborn
boot.extraModprobeConfig = ''
options nct6775 force_id=0xd280
@@ -49,26 +49,6 @@
networking.networkmanager.enable = true; # Easiest to use and most distros use this by default.
networking.hostId = "deadbeef";
# WireGuard VPN client -- always up, connects to wg-easy server
# Create age-encrypted secrets before deploying (run on the host):
# echo -n "<private_key>" | agenix -e secrets/wireguard_private_key.age
# echo -n "<preshared_key>" | agenix -e secrets/wireguard_preshared_key.age
networking.wireguard.interfaces = {
wg0 = {
ips = [ "10.8.0.3/24" ];
privateKeyFile = config.age.secrets.wireguard_private_key.path;
peers = [
{
publicKey = "rY9zII3AOm8rog2rv02PyA3Bq7zdvTOGkZapfCV1DkE=";
presharedKeyFile = config.age.secrets.wireguard_preshared_key.path;
allowedIPs = [ "10.8.0.0/24" ];
endpoint = "vpn.lazyworkhorse.net:51820";
persistentKeepalive = 25;
}
];
};
};
# Set your time zone.
time.timeZone = "America/Montreal";
@@ -178,7 +158,7 @@
settings = {
PasswordAuthentication = false;
KbdInteractiveAuthentication = false;
# Additional hardening settings below in SERVER HARDENING section
PermitRootLogin = "prohibit-password";
};
hostKeys = [
{
@@ -241,11 +221,6 @@
path = self + "/assets/compose/homepage";
};
vpn = {
path = self + "/assets/compose/vpn";
envFile = config.age.secrets.containers_env.path;
};
# tak = {
# path = self + "/assets/compose/tak";
# };
@@ -289,20 +264,6 @@
mode = "0440";
path = "/run/secrets/openclaw_gateway_token";
};
wireguard_private_key = {
file = ../../secrets/wireguard_private_key.age;
owner = "root";
group = "root";
mode = "0400";
path = "/run/secrets/wireguard_private_key";
};
wireguard_preshared_key = {
file = ../../secrets/wireguard_preshared_key.age;
owner = "root";
group = "root";
mode = "0400";
path = "/run/secrets/wireguard_preshared_key";
};
};
};
@@ -347,203 +308,6 @@
# Or disable the firewall altogether.
# networking.firewall.enable = false;
# =============================================================================
# SERVER HARDENING - Firewall, Fail2ban, SSH, Kernel
# =============================================================================
# Firewall - default deny, explicit allow
networking.firewall = {
# Enable firewall with default deny policy (NixOS firewall denies all by default)
enable = true;
allowPing = true;
# Only essential ports exposed to internet
allowedTCPPorts = [
2424 # SSH (non-standard port)
2222 # Gitea (version control)
80 # HTTP (Traefik redirect)
443 # HTTPS (Traefik)
# 8000 # Portainer - REVIEW: internal only?
# 4242 # Coms - REVIEW: internal only?
# 5000 # TAK API - REVIEW: internal only?
# 8087 # TAK Connect - REVIEW: internal only?
# 8089 # TAK Management - REVIEW: internal only?
];
allowedUDPPorts = [
51820 # WireGuard VPN
];
# Rate limiting and attack prevention
extraCommands = ''
# 1. Wipe the INPUT chain clean at the start of every activation
iptables -F INPUT
# Rate limit SSH connections (max 20 new connections per 60 seconds)
iptables -A INPUT -p tcp --dport 2424 -m state --state NEW -m recent --set
iptables -A INPUT -p tcp --dport 2424 -m state --state NEW -m recent --update --seconds 60 --hitcount 20 -j DROP
# Rate limit HTTP/HTTPS (protects Traefik)
iptables -A INPUT -p tcp --dport 80 -m state --state NEW -m limit --limit 25/minute --limit-burst 100 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -m state --state NEW -m limit --limit 25/minute --limit-burst 100 -j ACCEPT
# Drop invalid packets
iptables -A INPUT -m state --state INVALID -j DROP
# Log dropped packets (rate limited)
iptables -A INPUT -m limit --limit 5/min -j LOG --log-prefix "IPTables-Dropped: " --log-level 4
# 3. CRITICAL: Re-link the NixOS default firewall chain
# Without this line, the 'allowedTCPPorts' in your Nix config will be ignored!
iptables -A INPUT -j nixos-fw
'';
};
# Fail2ban - automatic IP banning
services.fail2ban = {
enable = true;
maxretry = 3;
bantime = "1h";
banaction = "iptables-multiport";
jails = {
# SSH brute force protection (uses systemd journal backend)
sshd = {
enabled = true;
settings = {
filter = "sshd";
port = "2424";
maxretry = 3;
bantime = "1h";
};
};
# Recidive - ban repeat offenders for 1 week
recidive = {
enabled = true;
settings = {
filter = "recidive";
logpath = "/var/log/fail2ban.log";
bantime = "1w";
findtime = "1d";
maxretry = 3;
};
};
# HTTP authentication failures (Traefik)
http-auth = {
enabled = true;
settings = {
filter = "traefik-auth";
port = "80,443";
logpath = "/var/log/traefik/access.log";
maxretry = 5;
bantime = "1h";
};
};
# HTTP scanning/attacks (Traefik)
http-botsearch = {
enabled = true;
settings = {
filter = "traefik-botsearch";
port = "80,443";
logpath = "/var/log/traefik/access.log";
maxretry = 2;
bantime = "2h";
};
};
};
};
# Custom fail2ban filters for Traefik
environment.etc."fail2ban/filter.d/traefik-auth.conf".text = ''
[Definition]
failregex = ^<HOST> -.*"(GET|POST|HEAD|PUT|DELETE).*" (401|403) \d+.*$
ignoreregex =
'';
environment.etc."fail2ban/filter.d/traefik-botsearch.conf".text = ''
[Definition]
failregex = ^<HOST> -.*"(GET|POST|HEAD|PUT|DELETE).*" 404 \d+.*$
^<HOST> -.*"(GET|POST|HEAD|PUT|DELETE).*/(\.|wp-|php|admin|login|xmlrpc|\.env|\.git|\.aws|\.azure).*" \d+.*$
ignoreregex =
'';
# SSH hardening
services.openssh.settings = {
PermitRootLogin = "no";
MaxAuthTries = 3;
MaxSessions = 10;
LoginGraceTime = 30;
ClientAliveInterval = 300;
ClientAliveCountMax = 2;
PermitEmptyPasswords = "no";
ChallengeResponseAuthentication = "no";
UsePAM = true;
LogLevel = "VERBOSE";
X11Forwarding = false;
AllowTcpForwarding = "no";
AllowAgentForwarding = "no";
PermitTunnel = "no";
};
# Kernel network hardening
boot.kernel.sysctl = {
# IP Spoofing protection
"net.ipv4.conf.all.rp_filter" = 1;
"net.ipv4.conf.default.rp_filter" = 1;
# Ignore ICMP broadcasts
"net.ipv4.icmp_echo_ignore_broadcasts" = 1;
# Disable source routing
"net.ipv4.conf.all.accept_source_route" = 0;
"net.ipv4.conf.default.accept_source_route" = 0;
"net.ipv6.conf.all.accept_source_route" = 0;
"net.ipv6.conf.default.accept_source_route" = 0;
# Disable redirects
"net.ipv4.conf.all.send_redirects" = 0;
"net.ipv4.conf.default.send_redirects" = 0;
# SYN flood protection
"net.ipv4.tcp_syncookies" = 1;
"net.ipv4.tcp_max_syn_backlog" = 2048;
"net.ipv4.tcp_synack_retries" = 2;
"net.ipv4.tcp_syn_retries" = 5;
# Log martian packets
"net.ipv4.conf.all.log_martians" = 1;
"net.ipv4.conf.default.log_martians" = 1;
# Ignore redirects
"net.ipv4.conf.all.accept_redirects" = 0;
"net.ipv4.conf.default.accept_redirects" = 0;
"net.ipv4.conf.all.secure_redirects" = 0;
"net.ipv4.conf.default.secure_redirects" = 0;
"net.ipv6.conf.all.accept_redirects" = 0;
"net.ipv6.conf.default.accept_redirects" = 0;
# Connection tuning
"net.core.somaxconn" = 4096;
"net.core.netdev_max_backlog" = 65536;
"net.ipv4.tcp_max_orphans" = 65536;
"net.ipv4.tcp_fin_timeout" = 15;
"net.ipv4.tcp_keepalive_time" = 300;
"net.ipv4.tcp_keepalive_probes" = 5;
"net.ipv4.tcp_keepalive_intvl" = 15;
};
# Audit logging
security.auditd.enable = true;
# Fail2ban log directory
systemd.tmpfiles.rules = [
"d /var/log/fail2ban 0755 root root -"
"d /var/log/traefik 0755 root root -"
];
# 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.

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@@ -0,0 +1,191 @@
{ config, lib, pkgs, paths, self, keys, inputs, ... }:
let
# Reticulum Network Stack - build from PyPI
reticulum = pkgs.python3Packages.buildPythonPackage {
pname = "reticulum";
version = "0.7.0";
format = "pyproject";
src = pkgs.python3Packages.fetchPypi {
pname = "reticulum";
version = "0.7.0";
hash = "sha256-Yku40tRpQh22m4HX142cU/VevHAEfgHZicKFOyp1U/o=";
};
};
# NomadNet - Reticulum browser/messaging
nomadnet = pkgs.python3Packages.buildPythonPackage {
pname = "nomadnet";
version = "0.5.2";
format = "pyproject";
src = pkgs.python3Packages.fetchPypi {
pname = "nomadnet";
version = "0.5.2";
hash = "sha256-WP4IrlKLzFP0U8/00mOo8D9Jp2ubr6Q0peKbw401Nhw=";
};
propagatedBuildInputs = [ reticulum ];
};
# LXMF - Lightweight Mesh Exchange Protocol
lxmf = pkgs.python3Packages.buildPythonPackage {
pname = "lxmf";
version = "0.5.1";
format = "pyproject";
src = pkgs.python3Packages.fetchPypi {
pname = "lxmf";
version = "0.5.1";
hash = "sha256-2zwTgG283qx1Bt6TKaGJtcwPr2tCNOOIASu8RXC/QLE=";
};
propagatedBuildInputs = [ reticulum ];
};
# Sidechannel - Visual UI for Reticulum
sidechannel = pkgs.python3Packages.buildPythonPackage {
pname = "sidechannel";
version = "0.1.0";
format = "pyproject";
src = pkgs.python3Packages.fetchPypi {
pname = "sidechannel";
version = "0.1.0";
hash = "sha256-0000000000000000000000000000000000000000000=";
};
propagatedBuildInputs = [ reticulum ];
};
in
{
# --- CORE HARDWARE (CM5 / RPi5) ---
imports = [
inputs.nixos-uconsole.nixosModules.uconsole
inputs.nixos-hardware.nixosModules.raspberry-pi-5
];
uconsole = {
enable = true;
variant = "cm5"; # Hardware target: CM5/RPi5
# Fixes the landscape orientation at boot
videoMode = "720x1280M@60D,panel_orientation=right_side_up";
};
# Firmware for Wi-Fi and Bluetooth
hardware.enableRedistributableFirmware = true;
hardware.raspberry-pi."5".apply-overlays-dtmerge.enable = true;
# Enable GPU acceleration (VideoCore VII)
hardware.graphics.enable = true;
# Bootloader parameters for display rotation and console
boot.kernelParams = [
"video=DSI-1:720x1280M@60D,panel_orientation=right_side_up"
"console=tty1"
];
# --- BASIC HOST INFO ---
networking.hostName = "uConsole";
networking.networkmanager.enable = true;
time.timeZone = "America/Montreal";
i18n.defaultLocale = "en_CA.UTF-8";
# --- GPS DAEMON ---
services.gpsd = {
enable = true;
devices = [ "/dev/ttyAMA0" ]; # Default port for RPi5/CM5 GPS
nowait = true;
};
# --- USER CONFIGURATION ---
users.users.thierry = {
isNormalUser = true;
description = "Thierry";
extraGroups = [
"wheel" # Sudo
"dialout" # Access to serial/HAM rigs
"plugdev" # Access to USB SDRs
"wireshark" # Packet capture without root
"video" # Hardware acceleration access
"networkmanager"
];
openssh.authorizedKeys.keys = [
keys.users.gortium.main
keys.users.gortium.gitea
];
};
# --- INTERFACE (WAYLAND/SWAY) ---
# Sway is recommended for the uConsole's low resources
programs.sway = {
enable = true;
extraOptions = [ "--unsupported-gpu" ]; # Often needed for RPi
};
# --- SOFTWARE TOOLKITS ---
environment.systemPackages = with pkgs; [
# Base Tools (for your Doom Emacs environment)
emacs-pgtk # Emacs with Wayland support
git # Required for Doom Emacs / Flakes
ripgrep # Fast searching for Emacs/CLI
fd # Better find for Emacs
htop # Resource monitor
tmux # Terminal multiplexer
neovim # Alternative editor
# HAM RADIO (Digital Modes)
js8call # Weak-signal keyboard messaging
wsjtx # FT8, JT65, etc.
fldigi # Digital modem (PSK, RTTY)
pat # Winlink client (Use 'pat configure' after install)
direwolf # Software TNC for APRS
chirp # Radio programming
hamlib # Rig control (rigctl)
trustedqsl # LotW log signing
# SDR + RF ANALYSIS
sdrpp # Modern SDR GUI (Best for uConsole)
gqrx # Classic SDR receiver
rtl-sdr # Drivers for RTL2832U
inspectrum # Offline signal analysis
soapysdr-with-plugins # Hardware abstraction layer
# LORA, MESH & RETICULUM
meshtastic # CLI tools for Meshtastic nodes
reticulum # The RNS stack (rnsd, rnsh) - built from PyPI
nomadnet # Reticulum browser/messaging
lxmf # Lightweight Mesh Exchange Protocol
sidechannel # Visual UI for Reticulum communication
# HACKING & SECURITY (Kali-like suite)
nmap # Port scanning
metasploit # Exploitation framework
aircrack-ng # Wi-Fi auditing
kismet # Wireless sniffer (Essential for your Pi Zero project)
bettercap # MITM and network attack tool
wireshark # Protocol analyzer
burpsuite # Web vulnerability scanner
hashcat # Password recovery
john # John the Ripper (password cracking)
sqlmap # Automated SQL injection
# GPS & OFFLINE MAPPING
foxtrotgps # Lightweight map viewer (Perfect for small screens)
viking # GPS data editor and map viewer
gpsbabel # GPS data conversion
marble # KDE Virtual Globe (supports offline tiles)
];
# Udev rules for SDR and Radio hardware access
services.udev.packages = [
pkgs.rtl-sdr
pkgs.librtlsdr
];
# Enable Wireshark privilege separation
programs.wireshark.enable = true;
# Enable OpenSSH
services.openssh = {
enable = true;
settings.PermitRootLogin = "prohibit-password";
};
# System state version
system.stateVersion = "23.11";
}

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@@ -0,0 +1,30 @@
{ config, lib, pkgs, modulesPath, ... }:
{
imports =
[ (modulesPath + "/installer/scan/not-detected.nix")
];
boot.initrd.availableKernelModules = [ "xhci_pci" "usbhid" "sdhci_pci" ];
boot.initrd.kernelModules = [ ];
boot.kernelModules = [ ];
boot.extraModulePackages = [ ];
# uConsole CM5 specific filesystem (SD card boot)
fileSystems."/" =
{ device = "/dev/disk/by-label/NIXOS_SD";
fsType = "ext4";
options = [ "noatime" ];
};
fileSystems."/boot" =
{ device = "/dev/disk/by-label/FIRMWARE";
fsType = "vfat";
};
swapDevices = [ ];
# uConsole CM5 is ARM64
nixpkgs.hostPlatform = lib.mkDefault "aarch64-linux";
hardware.enableRedistributableFirmware = true;
}

View File

@@ -18,5 +18,9 @@
gitea = "";
bootstrap = "age1r796v2uldtspawyh863pks74sd2pwcan8j4e4pjzsvkmr3vjja9qpz5ste";
};
# uConsole CM5 - key to be generated on first boot
uconsole = {
main = "";
};
};
}

View File

@@ -1,105 +0,0 @@
# AI Worker Restricted Access
This module provides SSH access for the AI worker (hermes-agent) to run ollama benchmarks on the host.
## Security Model
The `ai-worker` user has:
### Filesystem Access
- **Home directory**: `/home/ai-worker` (standard user home)
- **No bind mounts**: Cannot access `/home/gortium/infra` or other host files
- **Cannot access**: Any files outside standard system paths
### Sudo Access
- **NONE**: ai-worker has no sudo privileges
- Cannot run `nh`, `nixos-rebuild`, `nixpkgs-fmt`, or `nix` with elevated permissions
### Docker Access
- Member of `docker` group - can run `docker` and `docker exec` commands
- Primary use: `docker exec ollama ollama ...` for benchmarking
- Can run `docker exec --privileged ollama rocm-smi ...` for VRAM monitoring
## Workflow: SSH + Docker Benchmarking
The AI worker connects from the Hermes container to the host via SSH, runs ollama benchmarks, then returns to save results.
### Example Workflow
```bash
# From Hermes container, SSH to host
ssh -i /path/to/ssh/key ai-worker@host.docker.internal
# On host, run ollama benchmarks via docker
docker exec ollama ollama pull devstral-small-2:24b
# Create test modelfile
docker exec ollama bash -c 'cat <<EOF > /root/.ollama/test.modelfile
FROM devstral-small-2:24b
PARAMETER num_ctx 65536
PARAMETER num_gpu 99
PARAMETER flash_attn true
EOF'
# Create and test model
docker exec ollama ollama create test-model -f /root/.ollama/test.modelfile
docker exec ollama ollama run test-model "Write a Python async function"
# Check VRAM usage
docker exec --privileged ollama rocm-smi --showmeminfo vram
# Cleanup
docker exec ollama ollama rm test-model
# Exit SSH, return to Hermes container
exit
# Save results in Hermes container
# /opt/data/ai-optimizer/state.json
# /opt/data/ai-optimizer/results.csv
```
## SSH Access
Connect as:
```bash
ssh ai-worker@lazyworkhorse
```
The working directory will be `/home/ai-worker`. No infra repo access.
## Verification
Check ai-worker permissions:
```bash
# On the host, as root or gortium:
sudo -u ai-worker sudo -l
# Should show: no sudo access
# Check docker group membership
groups ai-worker
# Should show: ai-worker docker
```
## Troubleshooting
If ai-worker cannot run docker commands:
```bash
# Check docker group membership
groups ai-worker
# Verify ollama container is running
docker ps | grep ollama
# Test docker access
sudo -u ai-worker docker exec ollama ollama list
```
If SSH connection fails:
```bash
# Check SSH key is authorized
cat /home/ai-worker/.ssh/authorized_keys
# Check SSH service
systemctl status sshd
```

View File

@@ -1,17 +0,0 @@
{ config, pkgs, lib, ... }:
with lib;
{
options.services.aiWorkerAccess = mkOption {
type = types.bool;
default = false;
description = "Enable AI worker SSH access with docker group membership for ollama benchmarking";
};
config = mkIf config.services.aiWorkerAccess {
# ai-worker is member of docker group - can run docker commands via SSH
# No bind mounts, no sudo access - docker-only for ollama benchmarking
users.groups.docker.members = [ "ai-worker" ];
};
}

View File

@@ -1,87 +1,45 @@
{ pkgs, ... }: {
systemd.services.init-ollama-model = {
description = "Initialize LLM models with extra context in Ollama Docker";
# On s'assure que Docker tourne avant de lancer ce script
after = [ "docker.service" ];
after = [ "docker-ollama.service" ];
wantedBy = [ "multi-user.target" ];
script = ''
# Fonction de création asynchrone pour ne pas bloquer le démarrage
(
echo "Starting asynchronous Ollama initialization..."
# Attente d'Ollama (maximum 120 secondes pour éviter une boucle infinie)
TIMEOUT=60
COUNT=0
while ! ${pkgs.curl}/bin/curl -s -f http://127.0.0.1:11434/api/tags > /dev/null; do
if [ $COUNT -ge $TIMEOUT ]; then
echo "Ollama did not become ready in time. Exiting."
exit 1
fi
echo "Waiting for Ollama API to be reachable..."
sleep 5
COUNT=$((COUNT + 5))
done
# Wait for Ollama
while ! ${pkgs.curl}/bin/curl -s http://localhost:11434/api/tags > /dev/null; do
sleep 2
done
create_model_if_missing() {
local model_name=$1
local base_model=$2
# Vérification robuste via l'API HTTP d'Ollama plutôt que docker exec (évite les conflits de tty)
if ! ${pkgs.curl}/bin/curl -s http://127.0.0.1:11434/api/tags | ${pkgs.jq}/bin/jq -e ".models[] | select(.name == \"$model_name\")" > /dev/null; then
echo "$model_name not found, creating from $base_model..."
# Utilisation d'un fichier temporaire sur l'hôte pour l'injecter proprement dans Docker
TMP_FILE=$(mktemp)
cat <<EOF > "$TMP_FILE"
create_model_if_missing() {
local model_name=$1
local base_model=$2
if ! ${pkgs.docker}/bin/docker exec ollama ollama list | grep -q "$model_name"; then
echo "$model_name not found, creating from $base_model..."
${pkgs.docker}/bin/docker exec ollama sh -c "cat <<EOF > /root/.ollama/$model_name.modelfile
FROM $base_model
TEMPLATE """{{- if .System }}
[SYSTEM_PROMPT]
{{ .System }}
[/SYSTEM_PROMPT]
{{- end }}
{{- range .Messages }}
{{- if eq .Role "user" }}
[INST]
{{ .Content }}
[/INST]
{{- else if eq .Role "assistant" }}
{{ .Content }}
{{- end }}
{{- end }}"""
PARAMETER num_ctx 131072
PARAMETER num_predict 4096
PARAMETER num_keep 1024
PARAMETER repeat_penalty 1.1
PARAMETER top_k 40
PARAMETER stop "[INST]"
PARAMETER stop "[/INST]"
PARAMETER stop "</s>"
EOF
PARAMETER stop \"[INST]\"
PARAMETER stop \"[/INST]\"
PARAMETER stop \"</s>\"
EOF"
${pkgs.docker}/bin/docker exec ollama ollama create "$model_name" -f "/root/.ollama/$model_name.modelfile"
else
echo "$model_name already exists, skipping."
fi
}
# Copie et création dans le conteneur
${pkgs.docker}/bin/docker cp "$TMP_FILE" ollama:/tmp/model.modelfile
${pkgs.docker}/bin/docker exec ollama ollama create "$model_name" -f /tmp/model.modelfile
${pkgs.docker}/bin/docker exec ollama rm /tmp/model.modelfile
rm -f "$TMP_FILE"
else
echo "$model_name already exists, skipping."
fi
}
# Create Nemotron
create_model_if_missing "nemotron-3-nano:30b-128k" "nemotron-3-nano:30b"
# Create Devstral
create_model_if_missing "devstral-small-2:24b-128k" "devstral-small-2:24b"
) &
# Create Nemotron
create_model_if_missing "nemotron-3-nano:30b-128k" "nemotron-3-nano:30b"
# Create Devstral
create_model_if_missing "devstral-small-2:24b-128k" "devstral-small-2:24b"
'';
serviceConfig = {
Type = "forking"; # Permet à systemd de savoir que le script passe en arrière-plan via '&'
User = "root";
Type = "oneshot";
RemainAfterExit = true;
};
};
}

View File

@@ -1,36 +1,34 @@
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View File

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View File

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View File

@@ -9,85 +9,6 @@
openssh.authorizedKeys.keys = [
keys.users.ai-worker.main
];
# No password login - SSH key only
hashedPassword = "!";
};
users.groups.ai-worker = {};
# Enable restricted AI worker SSH access for ollama benchmarking
# SECURITY: ai-worker can only:
# - SSH into host from Hermes container
# - Run docker commands (docker exec ollama ...) via docker group
# - Run specific security audit commands
# - NO access to infra repo (no bind mount)
# - NO sudo access (no nh, nixos-rebuild, nixpkgs-fmt, nix)
# WORKFLOW: SSH from Hermes container, run docker benchmarks, return and save results to /opt/data/ai-optimizer/
services.aiWorkerAccess = true;
# Restricted sudo for ai-worker - security checks only
security.sudo.extraRules = [
{
users = [ "ai-worker" ];
commands = [
# Firewall checks
{
command = "/run/wrappers/bin/sudo iptables -L -n -v";
options = [ "NOPASSWD" ];
}
{
command = "/run/wrappers/bin/sudo iptables -S";
options = [ "NOPASSWD" ];
}
# Fail2ban status
{
command = "/run/current-system/sw/bin/fail2ban-client status";
options = [ "NOPASSWD" ];
}
{
command = "/run/current-system/sw/bin/fail2ban-client status *";
options = [ "NOPASSWD" ];
}
{
command = "/run/current-system/sw/bin/fail2ban-client get * banned";
options = [ "NOPASSWD" ];
}
# Log inspection
{
command = "/run/current-system/sw/bin/journalctl -t kernel -n 100";
options = [ "NOPASSWD" ];
}
{
command = "/run/current-system/sw/bin/journalctl -u fail2ban -n 50";
options = [ "NOPASSWD" ];
}
{
command = "/run/current-system/sw/bin/journalctl -u firewall -n 50";
options = [ "NOPASSWD" ];
}
# SSH config verification
{
command = "/run/current-system/sw/bin/sshd -T";
options = [ "NOPASSWD" ];
}
# Docker service checks
{
command = "/run/current-system/sw/bin/docker ps";
options = [ "NOPASSWD" ];
}
{
command = "/run/current-system/sw/bin/docker inspect *";
options = [ "NOPASSWD" ];
}
# Network diagnostics
{
command = "/run/current-system/sw/bin/ss -tlnp";
options = [ "NOPASSWD" ];
}
{
command = "/run/current-system/sw/bin/cat /proc/net/tcp";
options = [ "NOPASSWD" ];
}
];
}
];
}