enable kernel

#!/bin/bash
# Interactive kernel module browser, enabler, and blacklister
# Usage: sudo ./enable_modules_interactive.sh

set -e

KERNEL_DIR="/lib/modules/$(uname -r)"
BLACKLIST_FILE="/etc/modprobe.d/blacklist.conf"

echo "🔧 Kernel version: $(uname -r)"
echo

# --- Function: list directories and let user choose one ---
choose_directory() {
  local base_dir="$1"
  local dirs=()

  echo "📂 Contents of $base_dir:"
  local i=1
  for d in "$base_dir"*/; do
    [ -d "$d" ] || continue
    dirs+=("$d")
    echo "  [$i] $(basename "$d")"
    ((i++))
  done

  # Option for other modules in this folder
  local other_modules=($(find "$base_dir" -maxdepth 1 -type f -name "*.ko*" | sort))
  if [ ${#other_modules[@]} -gt 0 ]; then
    echo "  [$i] Other modules in this folder"
    dirs+=("other_modules")
  fi

  if [ ${#dirs[@]} -eq 0 ]; then
    echo "⚠️  No subdirectories or modules found here."
    return 1
  fi

  echo
  read -p "➡️  Enter number to open a directory (or 'b' to go back): " choice
  if [[ "$choice" == "b" ]]; then
    return 1
  fi

  local selected="${dirs[$((choice-1))]}"
  echo

  if [ "$selected" == "other_modules" ]; then
    scan_modules "$base_dir"
  elif [ -d "$selected" ]; then
    echo "📂 You selected: $selected"
    echo
    choose_next "$selected"
  else
    echo "❌ Invalid choice."
    return 1
  fi
}

# --- Function: recursive navigation ---
choose_next() {
  local dir="$1"
  local subdirs=()
  for s in "$dir"*/; do
    [ -d "$s" ] || continue
    subdirs+=("$s")
  done

  if [ ${#subdirs[@]} -gt 0 ]; then
    choose_directory "$dir"
  else
    scan_modules "$dir"
  fi
}

# --- Function: scan modules, enable, disable, blacklist ---
scan_modules() {
  local dir="$1"
  echo "🔍 Scanning for modules in: $dir"
  echo

  local modules=($(find "$dir" -maxdepth 1 -type f -name "*.ko*" | sort))
  if [ ${#modules[@]} -eq 0 ]; then
    echo "⚠️  No modules found here."
    return
  fi

  local enabled_modules=()
  local not_enabled=()
  local index=1

  for m in "${modules[@]}"; do
    modname=$(modinfo --field name "$m" 2>/dev/null)
    [ -z "$modname" ] && continue
    if lsmod | grep -qw "^$modname"; then
      echo "  ✅ [$index] $modname (ENABLED)"
      enabled_modules+=("$modname")
    else
      echo "  ❌ [$index] $modname (NOT ENABLED)"
      not_enabled+=("$modname")
    fi
    ((index++))
  done

  echo

  # --- Enable section ---
  if [ ${#not_enabled[@]} -gt 0 ]; then
    echo "❌ The following modules are NOT enabled:"
    for i in "${!not_enabled[@]}"; do
      echo "  [$((i+1))] ${not_enabled[$i]}"
    done
    echo
    read -p "➡️  Type numbers (space-separated) of modules to enable, or 'a' for all, or Enter to skip: " choices
    echo
    if [ -n "$choices" ]; then
      local to_enable=()
      if [[ "$choices" == "a" ]]; then
        to_enable=("${not_enabled[@]}")
      else
        for c in $choices; do
          idx=$((c-1))
          to_enable+=("${not_enabled[$idx]}")
        done
      fi

      for mod in "${to_enable[@]}"; do
        echo "🔹 Enabling: $mod"
        if sudo modprobe "$mod"; then
          echo "   ✅ Loaded successfully."
        else
          echo "   ⚠️  Failed to load module: $mod"
        fi
      done
      echo
    fi
  fi

  # --- Disable section ---
  if [ ${#enabled_modules[@]} -gt 0 ]; then
    echo "✅ The following modules are ENABLED:"
    for i in "${!enabled_modules[@]}"; do
      echo "  [$((i+1))] ${enabled_modules[$i]}"
    done
    echo
    read -p "➡️  Type numbers to DISABLE (space-separated), or 'a' for all, or Enter to skip: " disable_choices
    echo
    if [ -n "$disable_choices" ]; then
      local to_disable=()
      if [[ "$disable_choices" == "a" ]]; then
        to_disable=("${enabled_modules[@]}")
      else
        for c in $disable_choices; do
          idx=$((c-1))
          to_disable+=("${enabled_modules[$idx]}")
        done
      fi

      for mod in "${to_disable[@]}"; do
        echo "🔻 Disabling: $mod"
        if sudo modprobe -r "$mod" 2>/dev/null; then
          echo "   ✅ Unloaded successfully."
          if ! grep -q "^blacklist $mod$" "$BLACKLIST_FILE" 2>/dev/null; then
            echo "blacklist $mod" | sudo tee -a "$BLACKLIST_FILE" > /dev/null
            echo "   📝 Added to blacklist: $BLACKLIST_FILE"
          fi
        else
          echo "   ⚠️  Failed to unload module: $mod"
        fi
      done
      echo
    fi
  fi
}

# --- Start interactive navigation ---
choose_directory "$KERNEL_DIR/"





sudo nano enable_modules_interactive.sh

sudo chmod +x enable_modules_interactive.sh 

./enable_modules_interactive.sh