luksctl

A CLI tool for easily mounting and unmounting LUKS encrypted volumes.

한국어 | 日本語

Features

• 🔐 Easy mount/unmount of LUKS encrypted volumes
• 🆔 UUID-based mapper name auto-generation (collision prevention)
• 📁 Auto-create mount point with --mkdir option
• ⚙️ Various mount options support (--ro, --fs-type, --options)
• 🌐 Multi-language support (English, Korean, Japanese)

Installation

Using Make (Recommended)

# Build and install to /usr/local/bin
make
sudo make install

# Or install to a custom location
sudo make PREFIX=/opt/luksctl install

# Uninstall
sudo make uninstall

Manual Installation

cargo build --release
sudo cp target/release/luks_mount /usr/local/bin/
sudo cp target/release/luks_umount /usr/local/bin/

Usage

Mount

# Basic usage
sudo luks_mount /dev/sda1 /mnt/encrypted

# Auto-create mount point if it doesn't exist
sudo luks_mount --mkdir /dev/Video/nvme_video /mnt/nvme_video

# Mount as read-only
sudo luks_mount --ro /dev/sda1 /mnt/encrypted

# Specify filesystem type
sudo luks_mount --fs-type ext4 /dev/sda1 /mnt/encrypted

# Specify additional mount options
sudo luks_mount --options "noatime,nodiratime" /dev/sda1 /mnt/encrypted

# Combine all options
sudo luks_mount --mkdir --ro --fs-type ext4 --options "noatime" /dev/sda1 /mnt/encrypted

Unmount

# Basic unmount (automatically locks LUKS)
sudo luks_umount /mnt/encrypted

# Force unmount (lazy unmount)
sudo luks_umount --force /mnt/encrypted

Command Options

luks_mount

luks_umount

Localization

The tool automatically detects your system locale from the LANG environment variable and displays messages in the appropriate language.

Supported languages:

• English (en) - Default
• Korean (ko)
• Japanese (ja)

Example:

# Use Korean
LANG=ko_KR.UTF-8 sudo luks_mount /dev/sda1 /mnt/encrypted

# Use Japanese
LANG=ja_JP.UTF-8 sudo luks_umount /mnt/encrypted

How It Works

1. On mount (luks_mount):

   • Verify the device is a LUKS device
   • Generate a unique UUID-based mapper name (e.g., luks-a1b2c3d4-...)
   • Prompt for password and execute cryptsetup open
   • Mount /dev/mapper/{mapper_name} to the specified mount point
   • Save mount information to /run/luksctl/

2. On unmount (luks_umount):

   • Find mapper name from saved mapping info or /proc/mounts
   • Unmount the filesystem
   • Lock the LUKS device with cryptsetup close

License

Menhera Open Source License

AI-Generated Code Notice

Parts of this project were created with assistance from AI tools (e.g. large language models). All AI-assisted contributions were reviewed and adapted by maintainers before inclusion. If you need provenance for specific changes, please refer to the Git history and commit messages.