initial working

scripts/fix-vm-access.sh

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+#!/bin/bash
+# fix-vm-access.sh
+# Script per fixare accesso SSH e password su VM che non rispondono
+
+set -e
+
+VM_ID=${1:-201}
+SSH_KEY="ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOyva+cul3WOW3ct53a0QMRTkhtKvA2QpJI0p8bv48tH alex@alex-XPS-15-9570"
+ROOT_PASSWORD="TempProxmox123!"
+
+echo "=== VM Access Fix Tool ==="
+echo "VM ID: $VM_ID"
+echo ""
+
+# Ferma la VM
+echo "⏸ Stopping VM $VM_ID..."
+qm stop $VM_ID || true
+sleep 5
+
+# Trova il disco
+echo "🔍 Finding VM disk..."
+DISK_INFO=$(qm config $VM_ID | grep -E "^scsi0:" | head -1)
+echo "Disk info: $DISK_INFO"
+
+# Estrai il volume
+VOLUME=$(echo "$DISK_INFO" | cut -d: -f2 | cut -d, -f1 | xargs)
+echo "Volume: $VOLUME"
+
+# Converti il path del volume in device path
+STORAGE_NAME=$(echo $VOLUME | cut -d: -f1)
+DISK_NAME=$(echo $VOLUME | cut -d: -f2)
+
+# Check storage type
+STORAGE_TYPE=$(pvesm status | grep "^$STORAGE_NAME " | awk '{print $2}')
+echo "Storage type: $STORAGE_TYPE"
+
+if [[ $STORAGE_TYPE == "zfspool" ]]; then
+    # ZFS storage
+    ZFS_POOL=$(cat /etc/pve/storage.cfg | grep -A5 "^zfspool: $STORAGE_NAME" | grep "pool " | awk '{print $2}')
+    DEVICE_PATH="/dev/zvol/$ZFS_POOL/$DISK_NAME"
+    echo "ZFS pool: $ZFS_POOL"
+elif [[ $STORAGE_TYPE == "lvmthin" ]] || [[ $STORAGE_TYPE == "lvm" ]]; then
+    # LVM storage
+    VG_NAME=$(cat /etc/pve/storage.cfg | grep -A5 "^lvmthin: $STORAGE_NAME\|^lvm: $STORAGE_NAME" | grep "vgname " | awk '{print $2}')
+    DEVICE_PATH="/dev/$VG_NAME/$DISK_NAME"
+    echo "LVM VG: $VG_NAME"
+elif [[ $STORAGE_TYPE == "dir" ]]; then
+    # Directory storage
+    DIR_PATH=$(cat /etc/pve/storage.cfg | grep -A5 "^dir: $STORAGE_NAME" | grep "path " | awk '{print $2}')
+    DEVICE_PATH="$DIR_PATH/images/$VM_ID/$DISK_NAME"
+    echo "Directory path: $DIR_PATH"
+else
+    echo "❌ Unknown storage type: $STORAGE_TYPE"
+    exit 1
+fi
+
+echo "Device path: $DEVICE_PATH"
+
+if [ ! -e "$DEVICE_PATH" ]; then
+    echo "❌ Error: Device $DEVICE_PATH not found!"
+    if [[ $STORAGE_TYPE == "zfspool" ]]; then
+        echo "Available ZFS volumes:"
+        zfs list -t volume | grep vm-$VM_ID
+    else
+        echo "Available LVM volumes:"
+        lvs | grep vm-$VM_ID
+    fi
+    exit 1
+fi
+
+# Crea mount point
+MOUNT_POINT="/mnt/vm${VM_ID}_rescue"
+mkdir -p "$MOUNT_POINT"
+
+echo "📦 Setting up loop device..."
+
+# Setup device mapper per il disco
+kpartx -av "$DEVICE_PATH"
+sleep 2
+
+# Trova la partizione root (prova diverse possibilità)
+ROOT_PART=""
+
+# Per ZFS e LVM, usa kpartx
+if [[ $STORAGE_TYPE == "zfspool" ]] || [[ $STORAGE_TYPE == "lvmthin" ]] || [[ $STORAGE_TYPE == "lvm" ]]; then
+    # Cerca i mapper devices creati da kpartx
+    DISK_BASENAME=$(basename "$DEVICE_PATH" | sed 's/-/--/g')
+    
+    for PART in /dev/mapper/${DISK_BASENAME}p1 \
+                /dev/mapper/${DISK_BASENAME}p2 \
+                /dev/mapper/*vm-${VM_ID}*p1 \
+                /dev/mapper/*vm-${VM_ID}*p2 \
+                /dev/mapper/*vm--${VM_ID}*p1 \
+                /dev/mapper/*vm--${VM_ID}*p2; do
+        if [ -e "$PART" ]; then
+            echo "Testing partition: $PART"
+            if mount -o ro "$PART" "$MOUNT_POINT" 2>/dev/null; then
+                if [ -d "$MOUNT_POINT/root" ] && [ -d "$MOUNT_POINT/etc" ]; then
+                    ROOT_PART="$PART"
+                    umount "$MOUNT_POINT"
+                    break
+                fi
+                umount "$MOUNT_POINT"
+            fi
+        fi
+    done
+fi
+
+if [ -z "$ROOT_PART" ]; then
+    echo "❌ Could not find root partition!"
+    echo "Available mapper devices:"
+    ls -la /dev/mapper/ | grep vm-${VM_ID}
+    kpartx -dv "$DEVICE_PATH"
+    exit 1
+fi
+
+echo "✓ Found root partition: $ROOT_PART"
+
+# Monta la partizione
+echo "📂 Mounting filesystem..."
+mount "$ROOT_PART" "$MOUNT_POINT"
+
+echo "🔧 Fixing access..."
+
+# Configura password
+echo "Setting root password..."
+echo "root:${ROOT_PASSWORD}" | chroot "$MOUNT_POINT" chpasswd 2>/dev/null || \
+    echo "root:${ROOT_PASSWORD}" > "$MOUNT_POINT/tmp/setpw.txt"
+
+# Crea directory SSH
+mkdir -p "$MOUNT_POINT/root/.ssh"
+
+# Aggiungi chiave SSH
+echo "Adding SSH key..."
+echo "$SSH_KEY" > "$MOUNT_POINT/root/.ssh/authorized_keys"
+
+# Permessi corretti
+chmod 700 "$MOUNT_POINT/root/.ssh"
+chmod 600 "$MOUNT_POINT/root/.ssh/authorized_keys"
+
+# Fix SSH config
+echo "Configuring SSH..."
+if [ -f "$MOUNT_POINT/etc/ssh/sshd_config" ]; then
+    sed -i 's/#*PermitRootLogin.*/PermitRootLogin yes/' "$MOUNT_POINT/etc/ssh/sshd_config"
+    sed -i 's/#*PubkeyAuthentication.*/PubkeyAuthentication yes/' "$MOUNT_POINT/etc/ssh/sshd_config"
+fi
+
+# Se c'era un file temporaneo per la password, crea uno script di startup
+if [ -f "$MOUNT_POINT/tmp/setpw.txt" ]; then
+    cat > "$MOUNT_POINT/etc/rc.local" << 'EOFRC'
+#!/bin/bash
+if [ -f /tmp/setpw.txt ]; then
+    cat /tmp/setpw.txt | chpasswd
+    rm /tmp/setpw.txt
+fi
+exit 0
+EOFRC
+    chmod +x "$MOUNT_POINT/etc/rc.local"
+fi
+
+echo "✓ Configuration applied"
+
+# Sync e unmount
+sync
+sleep 2
+
+echo "📤 Unmounting..."
+umount "$MOUNT_POINT"
+kpartx -dv "$DEVICE_PATH"
+rmdir "$MOUNT_POINT"
+
+echo "🚀 Starting VM..."
+qm start $VM_ID
+
+echo ""
+echo "✅ Fix completed!"
+echo ""
+echo "Wait 30 seconds, then try:"
+echo "  ssh root@192.168.1.$((200 + VM_ID - 200))"
+echo "  or"
+echo "  qm terminal $VM_ID"
+echo "  Login: root"
+echo "  Password: $ROOT_PASSWORD"
+echo ""
+echo "⚠️  Remember to change the password after first login!"