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Re: [tlug] Presentations you would like to hear?

On 02/15/2018 08:13 PM, Alexey Rusakov wrote:
Regarding topics I'd be interested in - it'd be great to hear about virtualised computing and networking (Kubernetes, SDN/NFV, OpenStack etc.)

I work at Axsh ( and that stuff is exactly our thing so I could always put together a presentation. Disclaimer: We don't really use (Kubernetes, SDN/NFV, OpenStack) and have our own in-house (but open source) solutions instead. (OpenVNet, OpenVDC, Wakame-vdc) I don't really have much experience with the more known software suites like the ones you list but I could say some more generic stuff on the topic or give a demo of some of our stuff.

We're also working on this network switch, Linux box hybrid that basically gives you an environment in which you can design virtual topologies and then plug in physical devices like firewalls, routers etc. into them. The main use case we're looking at is automated testing of network infrastructure. I could bring one of those hybrid switches and give a live demo.

Or if TLUG doesn't work out, you're also welcome to drop by our office for a beer and a demo some time. :)

On 02/15/2018 07:50 PM, Chris Salzberg wrote:
Wow, I was just looking into Sonic Pi so I'd be really interested in
this one. Aside from the ruby interpreter, it also has some Clojure, C++
and (gasp) Erlang in there.

I also have been meaning to try it out but not done so yet...

Sounds like we're in the same boat on that one. It could be a lot of fun to work together. For example we could take 10 minutes to explain Sonic Pi itself and then 25 minutes each to show off some of the music we've written in it. Hopefully our results will be radically different but both cool in their own way. :)

given how much stuff it has in it, I have the feeling it might be hard to setup,
but could be wrong about that. In any case I'd be really interested in
this presentation if you did one :)
My experience is that the hard part is really setting up JACK and that gets easy once you know how to do it. Basically install the qjackctl frontend, click on setup, select your soundcard under Interface, set sample rate to 44100, adjust Frames/Period until the latency is about 5 or 6 msec (I had to set it to 128 for this), set Periods/Buffer to 2, click ok. Now click Start and things should work. This must be done before starting Sonic Pi. While JACK is running, PulseAudio will not be able to play anything unless you do some more setup.

OR... just get a Raspberry Pi and install your standard Raspbian. It comes with JACK all configured and Sonic Pi just working. Sonic Pi was actually made for Raspberry Pi originally, hence the name.


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