Initial backup: 18 monitoring scripts + timers + docs

- 18 comprehensive monitoring checks
- 5 systemd timers (5min, 15min, hourly, daily, weekly)
- Complete documentation
- NTFY secure notification system
- Fixed debianvm disk space (91% to 57%)
- Fixed CloudReve integration
- Date: 2026-01-07

scripts/check-services.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+# Check critical service HTTP endpoints
+set -euo pipefail
+
+SEND_NTFY="/usr/local/bin/send-ntfy.sh"
+
+# Services to check: "NAME:URL:EXPECTED_CODE"
+# Note: Use actual container/VM IPs that can change with DHCP
+# Better to check from inside the container when possible
+SERVICES=(
+    "Home Assistant:http://192.168.178.39:8123:200"
+)
+
+for svc_config in "${SERVICES[@]}"; do
+    IFS=':' read -r NAME URL EXPECTED <<< "$svc_config"
+    
+    # Check HTTP response with timeout
+    HTTP_CODE=$(timeout 10 curl -s -o /dev/null -w "%{http_code}" "$URL" 2>/dev/null || echo "FAILED")
+    
+    if [ "$HTTP_CODE" = "FAILED" ]; then
+        $SEND_NTFY critical "Service Unreachable" "🔴 CRITICAL: $NAME at $URL is UNREACHABLE (timeout or connection failed)" "skull,error,globe_with_meridians"
+    elif [ "$HTTP_CODE" != "$EXPECTED" ]; then
+        $SEND_NTFY warning "Service Issue" "🟡 WARNING: $NAME returned HTTP $HTTP_CODE (expected $EXPECTED)" "warning,globe_with_meridians"
+    else
+        logger -t service-monitor "$NAME: OK (HTTP $HTTP_CODE)"
+    fi
+done
+
+# Check CloudReve from inside its container (more reliable than external IP)
+CLOUDREVE_CHECK=$(pct exec 209 -- curl -s -o /dev/null -w "%{http_code}" http://localhost:5212 --max-time 5 2>/dev/null || echo "FAILED")
+
+if [ "$CLOUDREVE_CHECK" = "200" ]; then
+    logger -t service-monitor "CloudReve: OK (HTTP 200)"
+elif [ "$CLOUDREVE_CHECK" = "FAILED" ]; then
+    $SEND_NTFY critical "CloudReve Down" "🔴 CRITICAL: CloudReve (CT 209) is not responding on port 5212" "skull,error,globe_with_meridians"
+else
+    $SEND_NTFY warning "CloudReve Issue" "🟡 WARNING: CloudReve returned HTTP $CLOUDREVE_CHECK (expected 200)" "warning,globe_with_meridians"
+fi
+
+logger -t service-monitor "Service health check completed"