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Re:Firecracker: Secure and fast microVMs for serverless comp... by mercora on Saturday March 07, 2020 @04:19PM (#22514165)
i think using an emulated serial connection or similar driver interface could be part of a solution to this.
Re:Firecracker: Secure and fast microVMs for serverless comp... by nezirus on Saturday March 07, 2020 @04:58PM (#22514446)
You can replace SSH requirement with virtio-vsock (also supported by Qemu)

https://github.com/firecracker-microvm/firecracker/blob/mast...