Running a Virtual Machine on a Cloud Box That Can't Run Virtual Machines
SMRTR summary
Cheap cloud boxes typically can't run virtual machines because they're already VMs themselves, lacking the hardware features needed. A software-based solution called PVM bypasses this limitation, enabling real VM isolation on budget servers — perfect for safely running untrusted code like contest submissions without expensive bare-metal hardware.
SMRTR provides this summary for quick context. The original article belongs to Hacker News.
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