🔌 disk-unmount-daemon

Safe automatic disk unmounting service for Linux

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🚀 Overview

disk-unmount-daemon is a universal systemd service + shell script that automatically stops ongoing processes and unmounts selected disk partitions before shutdown, reboot, or halt.

It prevents:

• ❌ Filesystem corruption
• ❌ Bad sectors
• ❌ Lost data during power cuts

Works with any filesystem: ext4, NTFS, FAT32, exFAT, Btrfs, etc.

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✨ Features

• 🛡 Automatically unmounts drives before shutdown
• 🔄 Works on any filesystem / OS partition
• 📄 Logs all unmount attempts to /var/log/unmount-windows-drives.log
• 🧹 Log trimmed to last 10 entries
• ⚡ Forces unmount with umount -f
• 🔧 Minimal, reliable, and easy to customize

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🗂 Repository Contents

File	Description
safe-unmount.sh	Script to unmount drives and log actions
safe-unmount.service	systemd service for auto-unmount
safe-unmount-setup.sh	Optional interactive setup installer

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🛠 Installation

1️⃣ Copy script & service

sudo cp safe-unmount.sh /usr/local/bin/
sudo chmod +x /usr/local/bin/safe-unmount.sh

sudo cp safe-unmount.service /etc/systemd/system/

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