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-temperature.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+# Monitor system temperatures
+set -euo pipefail
+
+SEND_NTFY="/usr/local/bin/send-ntfy.sh"
+
+# Check if sensors command exists
+if ! command -v sensors &>/dev/null; then
+    # Try to install lm-sensors
+    apt-get install -y lm-sensors >/dev/null 2>&1 || logger -t temp-monitor "Cannot install lm-sensors"
+    exit 0
+fi
+
+# Get CPU temperature
+TEMPS=$(sensors 2>/dev/null | grep -E "Core.*:.*°C" || echo "")
+
+if [ -n "$TEMPS" ]; then
+    # Extract highest temperature
+    MAX_TEMP=$(echo "$TEMPS" | grep -oP '\+\K[0-9]+' | sort -n | tail -1)
+    
+    if [ "$MAX_TEMP" -gt 90 ]; then
+        $SEND_NTFY critical "Temperature Critical" "🔴 CRITICAL: PVE CPU temperature at ${MAX_TEMP}°C! System may shut down!" "fire,skull,thermometer"
+    elif [ "$MAX_TEMP" -gt 80 ]; then
+        $SEND_NTFY warning "Temperature High" "🟡 WARNING: PVE CPU temperature at ${MAX_TEMP}°C - check cooling" "fire,warning,thermometer"
+    fi
+    
+    logger -t temp-monitor "Max CPU temp: ${MAX_TEMP}°C"
+else
+    logger -t temp-monitor "No temperature sensors found"
+fi