GRID-DOWN

SCENARIO	PRIMARY	BACKUP	ACTION
Grid down <6hr	Meshtastic mesh	GMRS Ch 15	Stay put, monitor NOAA 162.550
Grid down >24hr	GMRS Ch 15	Meshtastic	Radio check every hour on the hour. Inventory resources.
Grid down >72hr	GMRS Ch 15	CB Ch 9	Rally: 4454 Dixie Hwy, Waterford. Activate full protocol.
Life-threatening emergency	ANY FREQ	PLB 406MHz	§ 97.403 applies — transmit on whatever works. State nature of emergency + location.
Need outside comms	Garmin inReach	HAM HF	inReach SMS via Iridium satellite — works even with zero infrastructure.

#!/bin/bash
# ============================================================
# SURVIVAL NODE — Automated Setup Script v1.0
# TSR Ventures LLC — github.com/tsrventures/survival-node
# Run: curl -fsSL https://raw.githubusercontent.com/tsrventures/survival-node/main/setup.sh | sudo bash
# ============================================================

set -e
NODE_SSID="SURVIVAL-NODE"
NODE_PASS="griddown" # CHANGE THIS
NODE_IP="192.168.4.1"
CONTENT_DIR="/var/www/survival"

# --- System update ---
echo "[1/8] Updating system..."
apt-get update -qq && apt-get upgrade -y -qq

# --- Install packages ---
echo "[2/8] Installing packages..."
apt-get install -y nginx hostapd dnsmasq kiwix-tools \
  curl wget unzip git python3 python3-pip -qq

# --- Configure static IP for hotspot interface ---
echo "[3/8] Configuring network..."
cat > /etc/dhcpcd.conf <<EOF
interface wlan0
  static ip_address=${NODE_IP}/24
  nohook wpa_supplicant
EOF

# --- Configure hostapd (WiFi access point) ---
cat > /etc/hostapd/hostapd.conf <<EOF
interface=wlan0
driver=nl80211
ssid=${NODE_SSID}
hw_mode=g
channel=7
wmm_enabled=0
macaddr_acl=0
auth_algs=1
ignore_broadcast_ssid=0
wpa=2
wpa_passphrase=${NODE_PASS}
wpa_key_mgmt=WPA-PSK
wpa_pairwise=TKIP
rsn_pairwise=CCMP
EOF
sed -i 's|#DAEMON_CONF=.*|DAEMON_CONF="/etc/hostapd/hostapd.conf"|' /etc/default/hostapd

# --- Configure dnsmasq (DHCP + DNS + captive portal) ---
mv /etc/dnsmasq.conf /etc/dnsmasq.conf.bak
cat > /etc/dnsmasq.conf <<EOF
interface=wlan0
dhcp-range=192.168.4.2,192.168.4.30,255.255.255.0,24h
domain=node
address=/survival.node/${NODE_IP}
address=/#/${NODE_IP} # captive portal — all DNS → us
EOF

# --- Set up nginx to serve site + docs + maps ---
echo "[4/8] Configuring web server..."
mkdir -p ${CONTENT_DIR}/{docs,maps,zim}
cat > /etc/nginx/sites-available/survival <<EOF
server {
  listen 80 default_server;
  server_name _;
  root ${CONTENT_DIR};
  index offline-survival-system.html index.html;
  location /docs/ { autoindex on; }
  location /maps/ { autoindex on; }
  # Redirect all unknown to main site (captive portal behavior)
  error_page 404 /offline-survival-system.html;
}
EOF
ln -sf /etc/nginx/sites-available/survival /etc/nginx/sites-enabled/
rm -f /etc/nginx/sites-enabled/default

# --- Download survival site ---
echo "[5/8] Downloading survival site..."
curl -fsSL https://raw.githubusercontent.com/tsrventures/survival-node/main/offline-survival-system.html \
  -o ${CONTENT_DIR}/offline-survival-system.html

# --- Download free reference documents ---
echo "[6/8] Downloading reference documents..."
# US Army Survival Manual FM 21-76 (public domain)
curl -fsSL "https://www.bits.de/NRANEU/others/amd-us-archive/fm21-76%281992%29.pdf" \
  -o ${CONTENT_DIR}/docs/army-survival-fm21-76.pdf
# Where There Is No Doctor (Hesperian, free license)
curl -fsSL "https://store.hesperian.org/downloads/wtnd-en.pdf" \
  -o ${CONTENT_DIR}/docs/where-there-is-no-doctor.pdf

# --- Download Kiwix ZIM files (Simple English Wikipedia default) ---
echo "[7/8] Downloading Wikipedia ZIM (Simple English ~600MB)..."
echo " For full English Wikipedia (22GB) set FULL_WIKI=1 before running"

ZIM_BASE="https://download.kiwix.org/zim"
SIMPLE_WIKI_ZIM="wikipedia_en_simple_all_mini_2024-11.zim"
curl -fsSL --progress-bar "${ZIM_BASE}/wikipedia/${SIMPLE_WIKI_ZIM}" \
  -o ${CONTENT_DIR}/zim/${SIMPLE_WIKI_ZIM}

# Start kiwix-serve as systemd service
cat > /etc/systemd/system/kiwix.service <<EOF
[Unit]
Description=Kiwix offline content server
After=network.target
[Service]
ExecStart=/usr/bin/kiwix-serve --port=8080 --library ${CONTENT_DIR}/zim/library.xml
Restart=always
User=www-data
[Install]
WantedBy=multi-user.target
EOF

# --- Enable + start all services ---
echo "[8/8] Enabling services..."
systemctl unmask hostapd
systemctl enable hostapd dnsmasq nginx kiwix
systemctl start hostapd dnsmasq nginx kiwix

echo "============================================"
echo " SURVIVAL NODE READY"
echo " WiFi: ${NODE_SSID} / ${NODE_PASS}"
echo " Site: http://survival.node or http://${NODE_IP}"
echo " Wiki: http://${NODE_IP}:8080"
echo " CHANGE YOUR PASSWORD: edit /etc/hostapd/hostapd.conf"
echo "============================================"