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Comment by Klasiaster | Hacker News Reader

A minimal interactive demo running busybox is here:

  ssh root@kerla-demo.seiya.me

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That’s very cool! Could you share some details on how to set it up for oneself with AWS Firecracker the same way that this demo was set up?

Also, as owner of the instances are you able to see what commands people are running? First thing I did was to type hello, and it said hello world to me :)

I'm not the project author, maybe you can ask via e-mail, see https://seiya.me/

Ok, thanks :)

Author here. I've made the demo system public [1] but it's written just for me so it should be painful to set up the same environment.

The mechanism is pretty simple: a Node.js server (running on genuine Linux) listens on tcp:22. Once you connect, it boots a dedicated Firecracker microVM instance and forwards network packets between your SSH client and VM.

Regarding the command history, others (including I) can't see what you type. If you could, it must be a vulnerability.

[1] https://github.com/nuta/kerla-demo

Thank you :)

is there not an opportunity to implement the posix filesystems interface on top of something other than a block device system. That would be fun.

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