Tech article
FTL: A new operating system for clouds
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Hacker News | Oct 3, 2026 | romac
Automated excerpt
FTL kernel isolates containers (userspace OS instances) better than existing monolithic kernels, with a hypervisor-like interface based on a lightweight hardware-based isolation (user mode). FTL kernel provides a minimal interface to implement Linux system calls in userspace, just like a hypervisor. Our goal is to make lightweight containers as secure as VMs, and unlock new OS-level abilities in applications, without sacrificing performance: │┃ (Process, VFS, TCP, ... ) ┃│ ╔════════════════════════════════╗ ║ vCPU, memory, drivers, ... ║ ║ /dev, drivers ... ║ September 2026: Run a simple Linux HTTP server on FTL (released in v0. 0.
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