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by klodolph 3303 days ago
It can't be turtles all the way down. If you encrypt /, then you're still not encrypting the kernel and I win. If you encrypt the kernel, then you're still not encrypting GRUB and I win.

There's no way to prevent anyone from tampering with your system, or even to make any tampering evident. The best you can do is a cost-benefit analysis and risk analysis of the different options.