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
2026-04-29 17:26:33 +00:00
17 changed files with 253 additions and 1287 deletions
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -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
--- a/assets/compose
+++ b/assets/compose
--- a/assets/ollama/Dockerfile
+++ b/assets/ollama/Dockerfile
@@ -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"]
--- a/flake.nix
+++ b/flake.nix
@@ -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;
  };

@@ -61,8 +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/services/rollback-sentinel.nix
-              ./modules/nixos/security/ai-worker-restricted.nix
              ./users/gortium.nix
              ./users/ai-worker.nix
            ];
@@ -81,6 +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;
      };
--- a/hosts/lazyworkhorse/configuration.nix
+++ b/hosts/lazyworkhorse/configuration.nix
@@ -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 = [
      {
@@ -207,7 +187,6 @@
    ai = {
      path = self + "/assets/compose/ai";
      envFile = config.age.secrets.containers_env.path;
-      ports = [ 22000 ];  # Syncthing TCP sync
    };

    cloudstorage = {
@@ -242,11 +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";
    # };
@@ -290,20 +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";
-      };
    };
  };

@@ -321,40 +281,10 @@
  environment.etc."ssh/ssh_host_ed25519_key.pub".text =
    "${keys.hosts.lazyworkhorse.main}";

-  # ── Boot sentinel: auto-rollback on critical service failure ───────────────
-  services.rollbackSentinel.enable = true;
-  # Tier-1: failure triggers rollback
-  services.rollbackSentinel.tier1Services = [
-    "sshd" "docker" "traefik" "authelia"
-  ];
-  # Tier-2: warn only
-  services.rollbackSentinel.tier2Services = [
-    "gitea" "hermes" "ollama" "synapse" "nextcloud"
-    "vaultwarden" "wireguard" "homeassistant" "fail2ban"
-  ];
-  # Wait 2 minutes after boot before checking (lets services initialize)
-  services.rollbackSentinel.bootDelay = "120";
-  # Change boot default only (not --rollback-now) for safety
-  services.rollbackSentinel.rollbackMode = "set-default";
-
  services.fstrim.enable = true;

  services.zfs.autoSnapshot.enable = true;
  services.zfs.autoScrub.enable = true;
-
-  # Ensure com.sun:auto-snapshot is set on ZFS datasets so auto-snapshots actually run
-  systemd.services."zfs-set-auto-snapshot" = {
-    description = "Set com.sun:auto-snapshot=true on ZFS datasets";
-    after = [ "zfs-import.target" ];
-    wants = [ "zfs-import.target" ];
-    wantedBy = [ "multi-user.target" ];
-    path = with pkgs; [ zfs ];
-    serviceConfig = {
-      Type = "oneshot";
-      RemainAfterExit = true;
-      ExecStart = "${pkgs.zfs}/bin/zfs set -r com.sun:auto-snapshot=true rpool";
-    };
-  };
  
  # Mi50 config
  hardware.graphics = {
@@ -378,203 +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 = 20;
-    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.
--- a/hosts/uconsole/configuration.nix
+++ b/hosts/uconsole/configuration.nix
@@ -0,0 +1,139 @@
+{ config, lib, pkgs, paths, self, keys, inputs, ... }:
+
+{
+  # --- 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-network-stack # The RNS stack (rnsd, rnsh)
+    nomadnet        # Reticulum browser/messaging
+    lxmf            # Lightweight Mesh Exchange Protocol
+    sidechannel-rns # 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";
+}
--- a/hosts/uconsole/hardware-configuration.nix
+++ b/hosts/uconsole/hardware-configuration.nix
@@ -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;
+}
--- a/lib/keys.nix
+++ b/lib/keys.nix
@@ -18,5 +18,9 @@
      gitea = "";
      bootstrap = "age1r796v2uldtspawyh863pks74sd2pwcan8j4e4pjzsvkmr3vjja9qpz5ste";
    };
+    # uConsole CM5 - key to be generated on first boot
+    uconsole = {
+      main = "";
+    };
  };
 }
--- a/modules/nixos/security/README-ai-worker.md
+++ b/modules/nixos/security/README-ai-worker.md
@@ -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
-```
--- a/modules/nixos/security/ai-worker-restricted.nix
+++ b/modules/nixos/security/ai-worker-restricted.nix
@@ -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" ];
-  };
-}
--- a/modules/nixos/services/nixos-rollback.sh
+++ b/modules/nixos/services/nixos-rollback.sh
@@ -1,400 +0,0 @@
-#!/usr/bin/env bash
-# =============================================================================
-# nixos-rollback.sh — NixOS systemd-boot Rollback Script
-#
-# Detects a failed NixOS generation (critical services not starting) and sets
-# the previous generation as the default boot option for systemd-boot.
-# Logs all actions to syslog/journald and a local logfile. Fails safely when
-# no previous generation exists or required files are missing.
-#
-# Integration with the boot sentinel:
-#   sentinel-check.sh  →  detects Tier-1 service failures (sshd, docker,
-#                          traefik, authelia) after a boot
-#   nixos-rollback.sh  ←  called when sentinel exits nonzero; sets previous
-#                          generation as default for next boot
-#
-# Usage:
-#   nixos-rollback.sh                        # auto-detect & set previous gen
-#   nixos-rollback.sh --dry-run              # show what would be done
-#   nixos-rollback.sh --rollback-now         # also run nixos-rebuild switch
-#                                            #   --rollback for immediate fix
-#   nixos-rollback.sh --help                 # full help text
-#
-# Exit codes:
-#   0 — rollback applied (or dry-run would apply)
-#   1 — preflight failure (missing files, permissions)
-#   2 — no previous generation available
-#   3 — nixos-rebuild --rollback failed (only with --rollback-now)
-#
-# Installation on NixOS:
-#   Place in /usr/local/bin/nixos-rollback.sh and make executable.
-#   Add a systemd oneshot service to run it after sentinel-check detects
-#   failures, or invoke directly from a sentinel timer.
-# =============================================================================
-
-set -euo pipefail
-
-# ── Configuration ────────────────────────────────────────────────────────────
-# These can be overridden via environment variables for testing.
-LOADER_CONF="${NIXOS_ROLLBACK_LOADER_CONF:-/boot/loader/loader.conf}"
-ENTRIES_DIR="${NIXOS_ROLLBACK_ENTRIES_DIR:-/boot/loader/entries}"
-LOGFILE="${NIXOS_ROLLBACK_LOGFILE:-/var/log/nixos-rollback.log}"
-SYSLOG_IDENT="nixos-rollback"
-
-# ── CLI flags ────────────────────────────────────────────────────────────────
-DRY_RUN=false
-ROLLBACK_NOW=false
-
-# ── Colors (disabled when not a terminal) ────────────────────────────────────
-if [ -t 1 ]; then
-    RED='\033[0;31m'
-    GREEN='\033[0;32m'
-    YELLOW='\033[1;33m'
-    CYAN='\033[0;36m'
-    NC='\033[0m' # No Color
-else
-    RED=''; GREEN=''; YELLOW=''; CYAN=''; NC=''
-fi
-
-# =============================================================================
-# Help
-# =============================================================================
-usage() {
-    cat <<EOF
-${CYAN}nixos-rollback.sh${NC} — Set the previous NixOS generation as systemd-boot default
-
-${CYAN}USAGE${NC}
-    nixos-rollback.sh [OPTIONS]
-
-${CYAN}OPTIONS${NC}
-    --dry-run           Show what would be done without making changes
-    --rollback-now      Also run 'nixos-rebuild switch --rollback' for
-                        immediate fix of the running system (requires
-                        nixos-rebuild on PATH)
-    -h, --help          Show this help text
-
-${CYAN}DESCRIPTION${NC}
-    Reads the current default boot entry from ${LOADER_CONF},
-    determines the previous generation number, and writes it as the
-    new default.  The script only modifies systemd-boot config —
-    it does NOT touch the Nix store or system profile unless
-    --rollback-now is passed.
-
-    Designed as the rollback half of a boot sentinel:
-      1. System boots into generation N
-      2. sentinel-check.sh detects Tier-1 service failures
-      3. nixos-rollback.sh sets default to generation N-1
-      4. Next reboot uses the working generation
-
-${CYAN}EXIT CODES${NC}
-    0   Rollback applied (or dry-run would apply)
-    1   Preflight failure (missing files, permissions)
-    2   No previous generation available (only one generation)
-    3   nixos-rebuild --rollback failed (with --rollback-now)
-
-${CYAN}FILES${NC}
-    ${LOADER_CONF}      systemd-boot loader configuration
-    ${ENTRIES_DIR}/     generation entry .conf files
-    ${LOGFILE}          action log (append-only)
-EOF
-}
-
-# =============================================================================
-# Logging
-# =============================================================================
-log() {
-    local level="$1"; shift
-    local msg="$*"
-    local timestamp
-    timestamp="$(date '+%Y-%m-%d %H:%M:%S')"
-    echo "${timestamp} [${level}] ${msg}" >> "${LOGFILE}"
-    logger -t "${SYSLOG_IDENT}" -p "user.${level}" "${msg}"
-
-    # Also print to stderr for ERROR/WARN, stdout for INFO
-    case "${level}" in
-        ERROR) echo >&2 "${RED}[ERROR]${NC} ${msg}" ;;
-        WARN)  echo >&2 "${YELLOW}[WARN]${NC}  ${msg}" ;;
-        INFO)  echo " ${GREEN}[INFO]${NC}  ${msg}" ;;
-    esac
-}
-
-info()  { log "INFO" "$@"; }
-warn()  { log "WARN" "$@"; }
-error() { log "ERROR" "$@"; }
-
-# =============================================================================
-# Preflight checks
-# =============================================================================
-preflight() {
-    # Must run as root (need to write to /boot), unless overridden for testing
-    if [ -z "${NIXOS_ROLLBACK_SKIP_ROOT_CHECK:-}" ] && [ "$(id -u)" -ne 0 ]; then
-        error "This script must be run as root (needs write access to /boot/loader)"
-        error "Set NIXOS_ROLLBACK_SKIP_ROOT_CHECK=1 for testing against mock paths."
-        exit 1
-    fi
-
-    # Directories and files
-    if [ ! -d "${ENTRIES_DIR}" ]; then
-        error "Boot entries directory not found: ${ENTRIES_DIR}"
-        exit 1
-    fi
-
-    if [ ! -f "${LOADER_CONF}" ]; then
-        error "Loader config not found: ${LOADER_CONF}"
-        exit 1
-    fi
-
-    if [ ! -r "${LOADER_CONF}" ]; then
-        error "Cannot read loader config: ${LOADER_CONF}"
-        exit 1
-    fi
-
-    # Check write access to /boot/loader (parent of loader.conf)
-    local loader_dir
-    loader_dir="$(dirname "${LOADER_CONF}")"
-    if [ ! -w "${loader_dir}" ]; then
-        error "Cannot write to ${loader_dir} (insufficient permissions)"
-        exit 1
-    fi
-
-    # Logfile directory must exist
-    local log_dir
-    log_dir="$(dirname "${LOGFILE}")"
-    if [ ! -d "${log_dir}" ]; then
-        warn "Log directory ${log_dir} does not exist, creating it"
-        mkdir -p "${log_dir}" 2>/dev/null || {
-            error "Cannot create log directory ${log_dir}"
-            exit 1
-        }
-    fi
-
-    # Check --rollback-now dependencies
-    if [ "${ROLLBACK_NOW}" = true ]; then
-        if ! command -v nixos-rebuild &>/dev/null; then
-            error "nixos-rebuild not found on PATH (required for --rollback-now)"
-            exit 1
-        fi
-    fi
-}
-
-# =============================================================================
-# Generation helpers
-# =============================================================================
-
-# get_current_default: reads the current default entry from loader.conf
-# Returns: "nixos-generation-N.conf" or empty string
-get_current_default() {
-    grep -E '^default\s+' "${LOADER_CONF}" 2>/dev/null \
-        | awk '{print $2}' \
-        || true
-}
-
-# extract_gen_number: extracts the numeric generation from a conf filename
-# Input:  "nixos-generation-367.conf"
-# Output: 367
-extract_gen_number() {
-    echo "$1" | sed 's/nixos-generation-//;s/\.conf//'
-}
-
-# get_all_gen_numbers: returns sorted list of generation numbers from entries dir
-get_all_gen_numbers() {
-    local -a gens=()
-    local f n
-    for f in "${ENTRIES_DIR}"/nixos-generation-*.conf; do
-        [ -f "${f}" ] || continue
-        n="$(basename "${f}" | sed 's/nixos-generation-//;s/\.conf//')"
-        gens+=("${n}")
-    done
-
-    if [ "${#gens[@]}" -eq 0 ]; then
-        return 1
-    fi
-
-    # Sort numerically and output
-    printf '%s\n' "${gens[@]}" | sort -n
-}
-
-# get_previous_gen: given current generation number, find the previous one
-# from the list of all available generations
-get_previous_gen() {
-    local current="$1"
-    shift
-    local -a gens=("$@")
-
-    local prev=""
-    local g
-    for g in "${gens[@]}"; do
-        if [ "${g}" -lt "${current}" ]; then
-            prev="${g}"
-        fi
-    done
-
-    if [ -z "${prev}" ]; then
-        return 1
-    fi
-    echo "${prev}"
-}
-
-# =============================================================================
-# Main rollback logic
-# =============================================================================
-do_rollback() {
-    # Step 1: Read current default
-    local current_entry
-    current_entry="$(get_current_default)"
-
-    if [ -z "${current_entry}" ]; then
-        error "No 'default' entry found in ${LOADER_CONF}"
-        error "Cannot determine current generation — aborting"
-        exit 1
-    fi
-
-    info "Current default boot entry: ${current_entry}"
-
-    # Step 2: Build sorted list of all available generations
-    local -a all_gens=()
-    local line
-    while IFS= read -r line; do
-        all_gens+=("${line}")
-    done < <(get_all_gen_numbers || true)
-
-    if [ "${#all_gens[@]}" -eq 0 ]; then
-        error "No NixOS generation .conf files found in ${ENTRIES_DIR}"
-        exit 1
-    fi
-
-    info "Available generations: ${all_gens[*]}"
-
-    # Step 3: Find current generation number
-    local current_gen
-    current_gen="$(extract_gen_number "${current_entry}")"
-
-    # Verify current_gen is a valid number
-    if ! [[ "${current_gen}" =~ ^[0-9]+$ ]]; then
-        error "Could not parse generation number from '${current_entry}'"
-        exit 1
-    fi
-
-    # Step 4: Find the previous generation
-    local prev_gen
-    prev_gen="$(get_previous_gen "${current_gen}" "${all_gens[@]}")" || {
-        error "No previous generation found before generation ${current_gen}"
-        error "This is the oldest available generation — cannot roll back further"
-        exit 2
-    }
-
-    local prev_entry="nixos-generation-${prev_gen}.conf"
-    local prev_conf_path="${ENTRIES_DIR}/${prev_entry}"
-
-    if [ ! -f "${prev_conf_path}" ]; then
-        error "Previous generation entry not found: ${prev_conf_path}"
-        error "The .conf file for generation ${prev_gen} is missing — cannot roll back"
-        exit 1
-    fi
-
-    info "Target rollback generation: ${prev_gen} → ${prev_entry}"
-
-    # Step 5: Apply the rollback
-    if [ "${DRY_RUN}" = true ]; then
-        echo ""
-        echo " ${CYAN}[DRY RUN]${NC} Would change ${LOADER_CONF}:"
-        echo "   ${YELLOW}-${NC} default ${current_entry}"
-        echo "   ${GREEN}+${NC} default ${prev_entry}"
-        echo ""
-        info "DRY RUN — no changes made"
-        exit 0
-    fi
-
-    # Write new default
-    # Use sed with a backup (.bak)
-    sed -i.bak "s/^default\s\+${current_entry}/default ${prev_entry}/" "${LOADER_CONF}"
-
-    # Verify the change was applied
-    local new_default
-    new_default="$(get_current_default)"
-    if [ "${new_default}" != "${prev_entry}" ]; then
-        error "Failed to set default boot entry to ${prev_entry}"
-        error "Current default is still: ${new_default}"
-        # Attempt to restore backup
-        if [ -f "${LOADER_CONF}.bak" ]; then
-            cp "${LOADER_CONF}.bak" "${LOADER_CONF}"
-            info "Restored backup from ${LOADER_CONF}.bak"
-        fi
-        exit 1
-    fi
-
-    info "Successfully set default boot entry to ${prev_entry} (generation ${prev_gen})"
-    info "Backup of previous config saved to ${LOADER_CONF}.bak"
-
-    # Step 6: Optionally run nixos-rebuild switch --rollback
-    if [ "${ROLLBACK_NOW}" = true ]; then
-        echo ""
-        info "Running nixos-rebuild switch --rollback for immediate effect..."
-        if nixos-rebuild switch --rollback 2>&1 | while IFS= read -r line; do
-            logger -t "${SYSLOG_IDENT}" "nixos-rebuild: ${line}"
-            echo "    ${line}"
-        done; then
-            info "nixos-rebuild switch --rollback completed successfully"
-        else
-            local rc=$?
-            error "nixos-rebuild switch --rollback failed with exit code ${rc}"
-            error "The boot default has been changed but the current system was NOT rolled back"
-            error "Reboot to apply the rollback"
-            exit 3
-        fi
-    fi
-
-    info "Rollback complete. Next boot will use generation ${prev_gen}."
-    if [ "${ROLLBACK_NOW}" = false ]; then
-        echo ""
-        echo " ${YELLOW}NOTE:${NC} The current running system is unchanged."
-        echo "       Reboot to boot into generation ${prev_gen}."
-        echo "       Or re-run with --rollback-now for immediate effect."
-    fi
-}
-
-# =============================================================================
-# Main
-# =============================================================================
-main() {
-    # Parse arguments
-    while [ $# -gt 0 ]; do
-        case "$1" in
-            --dry-run)
-                DRY_RUN=true
-                shift
-                ;;
-            --rollback-now)
-                ROLLBACK_NOW=true
-                shift
-                ;;
-            -h|--help)
-                usage
-                exit 0
-                ;;
-            *)
-                echo >&2 "Unknown option: $1"
-                echo >&2 "Use --help for usage information."
-                exit 1
-                ;;
-        esac
-    done
-
-    echo ""
-    echo " ${CYAN}═══ NixOS systemd-boot Rollback ═══${NC}"
-    echo ""
-
-    preflight
-
-    if [ "${DRY_RUN}" = true ]; then
-        info "DRY RUN mode — no changes will be made"
-    fi
-    if [ "${ROLLBACK_NOW}" = true ]; then
-        info "ROLLBACK NOW mode — will also run nixos-rebuild switch --rollback"
-    fi
-
-    echo ""
-    do_rollback
-}
-
-main "$@"
--- a/modules/nixos/services/ollama_init_custom_models.nix
+++ b/modules/nixos/services/ollama_init_custom_models.nix
@@ -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;
    };
  };
 }
--- a/modules/nixos/services/rollback-sentinel.nix
+++ b/modules/nixos/services/rollback-sentinel.nix
@@ -1,184 +0,0 @@
-{ config, pkgs, lib, ... }:
-
-with lib;
-
-let
-  cfg = config.services.rollbackSentinel;
-
-  # ── Scripts ────────────────────────────────────────────────────────────────
-
-  # Sentinel check — verifies Tier-1 services are active after boot.
-  # Exits nonzero when any Tier-1 service is down, which triggers the rollback.
-  sentinelCheck = pkgs.writeShellScriptBin "sentinel-check.sh" ''
-    #!/usr/bin/env bash
-    set -euo pipefail
-
-    SYSLOG_IDENT="nixos-sentinel"
-    LOGFILE="/var/log/nixos-sentinel.log"
-
-    echo "=== NixOS Sentinel Check ==="
-    echo "Tier-1 services: ${builtins.toString cfg.tier1Services}"
-    echo "Tier-2 services: ${builtins.toString cfg.tier2Services}"
-
-    FAILED=0
-
-    # Check Tier-1 services — any failure means rollback
-    for svc in ${builtins.toString cfg.tier1Services}; do
-      if systemctl is-active --quiet "$svc" 2>/dev/null; then
-        echo "  [OK]  Tier-1: $svc"
-      else
-        echo "  [FAIL] Tier-1: $svc is NOT active"
-        logger -t "$SYSLOG_IDENT" -p user.err "Tier-1 FAILURE: $svc is not active"
-        FAILED=1
-      fi
-    done
-
-    # Check Tier-2 services — warn only
-    for svc in ${builtins.toString cfg.tier2Services}; do
-      if systemctl is-active --quiet "$svc" 2>/dev/null; then
-        echo "  [OK]  Tier-2: $svc"
-      else
-        echo "  [WARN] Tier-2: $svc is NOT active"
-        logger -t "$SYSLOG_IDENT" -p user.warn "Tier-2 WARNING: $svc is not active"
-      fi
-    done
-
-    echo "=== Sentinel result: $([ "$FAILED" -eq 0 ] && echo 'PASS' || echo 'FAIL') ==="
-    echo "$(date '+%Y-%m-%d %H:%M:%S') [INFO] sentinel $([ "$FAILED" -eq 0 ] && echo 'PASS' || echo 'FAIL')" >> "$LOGFILE"
-    exit $FAILED
-  '';
-
-  # Rollback script — package the companion shell script from this directory.
-  # Uses builtins.readFile to embed the content at evaluation time.
-  rollbackScript = pkgs.writeShellScriptBin "nixos-rollback.sh" (builtins.readFile ./nixos-rollback.sh);
-
-  # Resolve rollback flags from config
-  rollbackFlags =
-    if cfg.rollbackMode == "dry-run" then "--dry-run"
-    else if cfg.rollbackMode == "rollback-now" then "--rollback-now"
-    else "";
-
-in {
-  options.services.rollbackSentinel = {
-    enable = mkEnableOption "NixOS Rollback Sentinel — auto-rollback on critical service failure";
-
-    tier1Services = mkOption {
-      type = types.listOf types.str;
-      default = [ "sshd" "docker" "traefik" "authelia" ];
-      description = ''
-        Tier-1 services whose failure triggers an automatic systemd-boot rollback.
-        On boot, the sentinel waits ${cfg.bootDelay} seconds, then checks each
-        service. If ANY service in this list is inactive, it runs the rollback
-        script which sets the previous NixOS generation as the default boot entry.
-      '';
-    };
-
-    tier2Services = mkOption {
-      type = types.listOf types.str;
-      default = [
-        "gitea" "hermes" "ollama" "synapse" "nextcloud"
-        "vaultwarden" "wireguard" "homeassistant" "fail2ban"
-      ];
-      description = ''
-        Tier-2 services whose failure is logged as a warning but does NOT trigger
-        an automatic rollback. Useful for detecting non-critical service issues.
-      '';
-    };
-
-    tier3InfoServices = mkOption {
-      type = types.listOf types.str;
-      default = [
-        "act_runner" "syncthing" "restic" "fava"
-        "homer" "cups" "fstrim"
-      ];
-      description = ''
-        Tier-3 informational checks (log-only, no warning). These are services
-        that the sentinel will note the status of for diagnostics.
-      '';
-    };
-
-    bootDelay = mkOption {
-      type = types.str;
-      default = "120";
-      description = ''
-        Seconds to wait after multi-user.target before running the boot-time
-        sentinel check. This gives Tier-1 services time to start before
-        the sentinel decides they've failed.
-      '';
-    };
-
-    rollbackMode = mkOption {
-      type = types.enum [ "set-default" "rollback-now" "dry-run" ];
-      default = "set-default";
-      description = ''
-        Rollback strategy when Tier-1 failures are detected:
-        - set-default: Write the previous generation to loader.conf (next reboot).
-        - rollback-now: Also run nixos-rebuild switch --rollback for immediate fix.
-        - dry-run: Log what would happen but take no action (testing).
-      '';
-    };
-
-    enablePostRebuild = mkOption {
-      type = types.bool;
-      default = true;
-      description = ''
-        When enabled, the sentinel check runs after every nixos-rebuild switch
-        activation. If a newly deployed generation has Tier-1 failures, it
-        triggers rollback immediately.
-      '';
-    };
-  };
-
-  config = mkIf cfg.enable {
-    # ── Deploy scripts to PATH ───────────────────────────────────────────────
-    environment.systemPackages = [ sentinelCheck rollbackScript ];
-
-    # Ensure log directory exists
-    systemd.tmpfiles.rules = [
-      "d /var/log/nixos-sentinel 0755 root root -"
-    ];
-
-    # ── Boot-time sentinel service ───────────────────────────────────────────
-    # Runs after multi-user.target with a configurable delay, checks Tier-1
-    # services, and triggers rollback if any are down.
-    systemd.services.nixos-sentinel = {
-      description = "NixOS Boot Sentinel — check critical services, roll back on failure";
-      after = [ "network.target" "multi-user.target" ];
-      wants = [ "network.target" ];
-      wantedBy = [ "multi-user.target" ];
-
-      path = with pkgs; [ coreutils gawk gnused systemd ];
-
-      serviceConfig = {
-        Type = "oneshot";
-        RemainAfterExit = true;
-        ExecStartPre = "${pkgs.coreutils}/bin/sleep ${cfg.bootDelay}";
-        ExecStart = "${sentinelCheck}/bin/sentinel-check.sh";
-        ExecStartPost = "${rollbackScript}/bin/nixos-rollback.sh ${rollbackFlags}";
-      };
-    };
-
-    # ── Post-rebuild sentinel service (triggered by activation script) ──────
-    systemd.services.nixos-sentinel-rebuild = mkIf cfg.enablePostRebuild {
-      description = "NixOS Post-Rebuild Sentinel — check services after nixos-rebuild";
-      after = [ "network.target" ];
-
-      path = with pkgs; [ coreutils gawk gnused systemd ];
-
-      serviceConfig = {
-        Type = "oneshot";
-        ExecStart = "${sentinelCheck}/bin/sentinel-check.sh";
-        ExecStartPost = "${rollbackScript}/bin/nixos-rollback.sh ${rollbackFlags}";
-      };
-    };
-
-    # Activation script — fires after every nixos-rebuild switch
-    system.activationScripts.rollback-sentinel = mkIf cfg.enablePostRebuild ''
-      # Start the post-rebuild sentinel in the background.
-      # This runs on every activation (boot + nixos-rebuild). On boot the
-      # boot-time service handles it, so this is primarily for nixos-rebuild,
-      # but running twice is safe (idempotent rollback).
-      systemctl start nixos-sentinel-rebuild.service --no-block 2>/dev/null || true
-    '';
-  };
-}
--- a/secrets/containers.env.age
+++ b/secrets/containers.env.age
@@ -1,36 +1,34 @@
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 -----END AGE ENCRYPTED FILE-----
--- a/secrets/wireguard_preshared_key.age
+++ b/secrets/wireguard_preshared_key.age
@@ -1,9 +0,0 @@
-----BEGIN AGE ENCRYPTED FILE-----
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-wDVB1LwC+Q==
-----END AGE ENCRYPTED FILE-----
--- a/secrets/wireguard_private_key.age
+++ b/secrets/wireguard_private_key.age
@@ -1,11 +0,0 @@
-----BEGIN AGE ENCRYPTED FILE-----
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-----END AGE ENCRYPTED FILE-----
--- a/users/ai-worker.nix
+++ b/users/ai-worker.nix
@@ -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" ];
-        }
-      ];
-    }
-  ];
 }