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-all-vm-disks.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+# Check disk usage on all VMs via SSH
+set -euo pipefail
+
+SEND_NTFY="/usr/local/bin/send-ntfy.sh"
+
+# VM configurations: "VMID:NAME:IP"
+VMS=(
+    "101:debianvm:DEBIANVM"
+    "282:ubuntu-server-xfce:ubuntu-server-xfce"
+    "100:haos14.0:haos14"
+)
+
+for vm_config in "${VMS[@]}"; do
+    IFS=':' read -r VMID NAME HOST <<< "$vm_config"
+    
+    # Try to SSH and get disk usage
+    DISK_INFO=$(timeout 10 sshpass -p 'admin' ssh -o StrictHostKeyChecking=no -o ConnectTimeout=5 root@$HOST "df -h / 2>/dev/null | tail -1" 2>/dev/null || echo "FAILED")
+    
+    if [ "$DISK_INFO" = "FAILED" ]; then
+        $SEND_NTFY warning "VM Disk Check Failed" "🟡 WARNING: Cannot check disk on $NAME (VMID $VMID) - SSH failed" "warning,computer"
+        continue
+    fi
+    
+    USAGE=$(echo "$DISK_INFO" | awk '{print $5}' | sed 's/%//')
+    USED=$(echo "$DISK_INFO" | awk '{print $3}')
+    TOTAL=$(echo "$DISK_INFO" | awk '{print $2}')
+    FREE=$(echo "$DISK_INFO" | awk '{print $4}')
+    
+    if [ "$USAGE" -gt 90 ]; then
+        $SEND_NTFY critical "VM Disk Critical" "🔴 CRITICAL: $NAME (VMID $VMID) root partition at ${USAGE}%\nUsed: $USED/$TOTAL, Free: $FREE" "cd,skull,computer"
+    elif [ "$USAGE" -gt 80 ]; then
+        $SEND_NTFY warning "VM Disk Warning" "🟡 WARNING: $NAME (VMID $VMID) root partition at ${USAGE}%\nUsed: $USED/$TOTAL, Free: $FREE" "cd,warning,computer"
+    fi
+    
+    logger -t vm-disk-monitor "$NAME (VMID $VMID): ${USAGE}%"
+done