this post was submitted on 01 Nov 2025
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Open-source developer Joel Severin today announced his work on porting the Linux kernel to WebAssembly and has successffully gotten the kernel up and running within WASM-capable web browsers.

This WebAssembly port of the Linux kernel is up and running basic programs from a shell within a web browser. But there are stability issues and it didn't take me long either to trigger crashes for this Linux kernel WASM port when running within Google Chrome.

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[โ€“] DmMacniel@feddit.org 5 points 3 days ago (1 children)

Why not just use docker/k8s then and even be able to control those containers via hypervisor?

[โ€“] towerful@programming.dev 11 points 3 days ago

Because WASM is a VM in terms of isolation.
Docker is just chroot with marketing (and tooling & ecosystem).

So, the idea of wasm is something that could actually run anywhere, without everything required to prop up a docker/k8s runtime