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Re: best way to reach QEMU VM desktop on headless GuixSD server

From: Marius Bakke
Subject: Re: best way to reach QEMU VM desktop on headless GuixSD server
Date: Sat, 27 Jan 2018 17:03:26 +0100
User-agent: Notmuch/0.26 ( Emacs/25.3.1 (x86_64-pc-linux-gnu)

George myglc2 Clemmer <address@hidden> writes:

> It appears that there are 3 ways to reach a QEMU VM desktop on headless
> GuixSD servers: X11, spice, and maybe VNC. Is that right?
> Can anyone comment on which has the best performance.

Spice was designed to be a better protocol than VNC for accessing
virtual machine consoles.  I haven't done any benchmarks though.

It requires a rather involved QEMU command line[0]:

 [qemu] -spice addr=,port=3001,disable-ticketing -soundhw hda \
        -device virtio-serial -chardev spicevmc,id=vdagent,debug=0,name=vdagent 
        -device virtserialport,chardev=vdagent,name=com.redhat.spice.0 \

Then you can use virt-viewer or "spicy" from spice-gtk along with SSH
forwarding to access on the remote machine.  Setting up
encryption or authentication requires a few more arguments if you want
to expose this on a network-facing interface directly.


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