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GrapheneOS: A Security-Focused Android OS

2025-09-14
GrapheneOS: A Security-Focused Android OS

GrapheneOS (GOS) is a security-centric Android-based operating system compatible only with Google Pixel devices. It leverages multiple user profiles for robust privacy, each with independent encryption and permission settings, effectively creating isolated systems within your phone. Users can granularly control permissions for each profile, even completely halting background processes. Installation is straightforward, updates are seamless, and app permission management is powerful. While slightly less user-friendly than stock Android, GOS offers unprecedented control for security and privacy-conscious users, making it a compelling alternative.

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Linux Auto-Shutdown on Power Disconnect: A BusKill Alternative

2025-07-31
Linux Auto-Shutdown on Power Disconnect: A BusKill Alternative

This article details a simple alternative to BusKill for automatically shutting down a Linux system when the power is disconnected. By creating a udev rule that monitors the power supply status, a custom script (e.g., poweroff) is executed upon disconnection. This is a straightforward method for protecting laptops used in public areas from theft. The article also provides alternative script ideas, such as locking sessions, hibernating, or even destroying LUKS master keys, catering to various security needs.

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