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/send-ntfy.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+set -euo pipefail
+
+SEVERITY="${1:-info}"
+TITLE="${2:-Notification}"
+MESSAGE="${3:-No message}"
+TAGS="${4:-server}"
+
+# Read topics from config
+source /root/.ntfy-topics
+
+# Route to appropriate topic based on severity
+case "$SEVERITY" in
+    critical)
+        TOPIC="$TOPIC_CRITICAL"
+        PRIORITY="urgent"
+        ;;
+    warning)
+        TOPIC="$TOPIC_WARNING"
+        PRIORITY="high"
+        ;;
+    info)
+        TOPIC="$TOPIC_INFO"
+        PRIORITY="default"
+        ;;
+esac
+
+# Send notification WITHOUT authentication (security by obscurity)
+curl -s   -H "Title: $TITLE"   -H "Priority: $PRIORITY"   -H "Tags: $TAGS"   -d "$MESSAGE"   "https://ntfy.sh/$TOPIC" >/dev/null 2>&1 || true
+
+logger -t homelab-monitor "[$SEVERITY] $TITLE: $MESSAGE"