Re: [Xen-API] [Xen-users] rump kernels running on the Xen hypervisor

[Antti Kantee <pooka@xxxxxx>]

The sauce thickens.  Up until recently rump kernels on Xen offered only 
the kernel API (i.e. a POSIX'y set of syscalls), but we now also support 
a mostly complete user-level API courtesy of an unmodified NetBSD's libc 
(just a few build infra modifications which will hopefully go away 
soon'ish).  Since the kernel services and libc interfaces are directly 
from a real OS, a good number of real programs will compile and work 
out-of-the-box as standalone Domu's.
As an early proof-of-concept, I've thrown together a domain which boots 
as a web server.  Try to it out, clone the repo (*), run 
"./buildxen.sh", and create a domain with xl create.  The service will 
configure an IP address for itself using dhcp, and after that it's port 
80 as usual.
*) https://github.com/anttikantee/rumpuser-xen/

  - antti

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