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LINUX Unplugged
557: Crouching kexec, Hidden Linux
Apr 8, 2024
Explore the hidden Linux OS concept with encrypted filesystems, building trust in devices, and secure desktop usage. Discuss challenges in creating a secure environment with RAM disks, ButterFS snapshots, and efficient reboots with the Kexec system call. Learn about optimizing Linux configurations, community support, monitoring metrics, home camera systems, tech transitions, open-source funding obstacles, and Jupiter OS development journey.
59:17
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Quick takeaways
- Shufflecake offers secure encrypted slices on Linux with nested volumes for enhanced deniability.
- HiddenVM provides trace-free Linux OS using Kexec and RAM disks without additional encryption software.
Deep dives
Shufflecake: A New Encryption Software with Enhanced Features
Shufflecake is introduced as an encryption tool that competes with TrueCrypt and Veracrypt, providing encrypted slices in random disk positions for security. It boasts working natively on Linux, supporting any file system, and enabling multiple nested volumes per device for enhanced deniability. Despite advantages, it has drawbacks like slower IO compared to Lux and lack of crash consistency, highlighting backup importance.
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