#kexec
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Infecting a Steam Link with NixOS
After finding a Steam Link forgotten since 2018 in his closet, a developer set out to turn it into a tiny always-on ARM server running NixOS — sidestepping the signed bootloader with a homemade kernel module.
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Multikernel Linux: multiple kernels on one machine without a hypervisor
The first public release of the multikernel Linux tree, 7.0-mk2, is out. The technology lets you run several independent kernel instances on bare metal, bypassing virtualization, and promises a performance edge over KVM.