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-pve-host.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+# Monitor PVE host itself (disk, cpu, ram, services)
+set -euo pipefail
+
+HOSTNAME="pve"
+SEND_NTFY="/usr/local/bin/send-ntfy.sh"
+
+# Check root partition
+ROOT_USAGE=$(df -h / | tail -1 | awk '{print $5}' | sed 's/%//')
+ROOT_USED=$(df -h / | tail -1 | awk '{print $3}')
+ROOT_TOTAL=$(df -h / | tail -1 | awk '{print $2}')
+ROOT_FREE=$(df -h / | tail -1 | awk '{print $4}')
+
+if [ "$ROOT_USAGE" -gt 90 ]; then
+    $SEND_NTFY critical "PVE Host - Disk Critical" "🔴 CRITICAL: $HOSTNAME root partition at ${ROOT_USAGE}% (Used: $ROOT_USED/$ROOT_TOTAL, Free: $ROOT_FREE)" "cd,skull"
+elif [ "$ROOT_USAGE" -gt 80 ]; then
+    $SEND_NTFY warning "PVE Host - Disk Warning" "🟡 WARNING: $HOSTNAME root partition at ${ROOT_USAGE}% (Used: $ROOT_USED/$ROOT_TOTAL, Free: $ROOT_FREE)" "cd,warning"
+fi
+
+# Check /mnt/ssd0 (local SSD storage)
+if mountpoint -q /mnt/ssd0; then
+    SSD_USAGE=$(df -h /mnt/ssd0 | tail -1 | awk '{print $5}' | sed 's/%//')
+    SSD_USED=$(df -h /mnt/ssd0 | tail -1 | awk '{print $3}')
+    SSD_TOTAL=$(df -h /mnt/ssd0 | tail -1 | awk '{print $2}')
+    
+    if [ "$SSD_USAGE" -gt 90 ]; then
+        $SEND_NTFY critical "PVE Host - SSD0 Critical" "🔴 CRITICAL: /mnt/ssd0 at ${SSD_USAGE}% (Used: $SSD_USED/$SSD_TOTAL)" "cd,skull"
+    elif [ "$SSD_USAGE" -gt 80 ]; then
+        $SEND_NTFY warning "PVE Host - SSD0 Warning" "🟡 WARNING: /mnt/ssd0 at ${SSD_USAGE}% (Used: $SSD_USED/$SSD_TOTAL)" "cd,warning"
+    fi
+fi
+
+# Check RAM usage
+MEM_TOTAL=$(free -h | awk '/^Mem:/ {print $2}')
+MEM_USED=$(free -h | awk '/^Mem:/ {print $3}')
+MEM_PERCENT=$(free | awk '/^Mem:/ {printf "%.0f", $3/$2 * 100}')
+
+if [ "$MEM_PERCENT" -gt 90 ]; then
+    $SEND_NTFY warning "PVE Host - High RAM" "🟡 WARNING: $HOSTNAME RAM at ${MEM_PERCENT}% (Used: $MEM_USED/$MEM_TOTAL)" "warning"
+fi
+
+# Check critical PVE services
+CRITICAL_SERVICES=("pveproxy" "pvedaemon" "pve-cluster" "pvestatd")
+for service in "${CRITICAL_SERVICES[@]}"; do
+    if ! systemctl is-active --quiet "$service"; then
+        $SEND_NTFY critical "PVE Host - Service Down" "🔴 CRITICAL: $HOSTNAME service '$service' is DOWN!" "skull,error"
+    fi
+done
+
+logger -t pve-monitor "PVE host check completed: Root ${ROOT_USAGE}%, RAM ${MEM_PERCENT}%"