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amoocon 2009

Posted by Felix Kronlage on Monday, February 16, 2009

I guess, I will be speaking at the Amoocon 2009. Amoocon is a conference on Voice over IP on the 4th and 5th of May in Rostock, Germany. I will be giving a talk on OpenBSD in VoIP-Environments.

Maybe I will see you in Rostock?


Starting into 2009

Posted by Felix Kronlage on Wednesday, January 28, 2009

The first 1/12th of the year is almost already over, time we surface here again. Lot’s of things already happend since the 25th CCC congress.

Right after starting into the new year, the inner circle of the company had a meeting up at the north sea. For three days we went to a small town, St. Peter-Ording, to lay out the next year. Be sure, lot’s of good things are up on the horizon.

Not only grew our team right into the middle of january by another unix engineer (more on that in a later post), but you will be able to meet us at various trade shows and experience with us the launching of new services and products. The first one came right with the new year, we now offer officially what we’ve done for years: 24/7 unix support at an affordable rate.

Today I got the confirmation of the first talk I will be giving this year, it will be at IT Underground. I will give an overview of how you can work even more secure with your OpenBSD laptop. Showing of the new crypto RAID discipline Marco Peereboom and others have added to softraid(4), quick setting up of IPsec networks with ipsecctl(8) and ipsec.conf(5) as well as openvpn, to just name a few of the things I will cover.

Right before IT Underground we will be at Chemnitzer Linux-Tage, showing off one of our new products! Be sure to meet us there!


Rails and Rubies - powered by bytemine

Posted by Bernd Ahlers on Wednesday, January 28, 2009

What’s a serious mine without some rails and rubies?

Since the beginning of 2009 bytemine is offering hosting services for Ruby on Rails and other Ruby based web application frameworks. So if you’re looking for a new home for your awesome Ruby based web application, you just found one.

Our portfolio includes (but is most certainly not limited to) shared hosting, VPS based hosting or hosting on bare metal. Of course we will satisfy special requirements and/or wishes from your side, no matter whether it are small configuration changes or large-scale code changes (for which you can book our ruby developers! ;)

Building blocks

We are using the following powerful components to drive your applications.

  • Xen & CentOS
  • Ruby Enterprise Edition
  • Apache & Passenger

Xen & CentOS

The shared hosting and VPS hosting options are powered by the CentOS operating system and the Xen hypervisor. This allows us to scale shared hosting virtual machines easily and deploy new VPS within minutes.

Ruby Enterprise Edition

Ruby Enterprise Edition is a modified Ruby interpreter which has been built to reduce the memory usage and improve the speed of Ruby applications. It’s a drop-in replacement for the regular Ruby 1.8 runtime so you don’t have to do any modifications on new or existing applications. Ruby Enterprise Edition is developed and released as an open source product by the smart guys at Phusion.

Apache & Passenger

The well known Apache web server combined with another great open source product of Phusion named Phusion Passenger (aka. mod_rails/mod_rack) is on its way to become the de-facto standard of running and deploying Ruby based web applications. Deploying a web application on Passenger is just a matter of uploading the application files via FTP. No special configuration steps required. Passenger is managing the needed Ruby background processes tranparently by quitting and spawning them as needed.

This blog is running on Apache and Phusion Passenger, of course. :)

We can also offer you other deployment platforms – like the popular nginx & mongrel couple – if needed.


This infrastructure is driven by our skilled unix and Ruby guys who will happily answer your questions and solve any problems that may arise.


Don’t hesitate to contact us if you have any questions or if you would like to use some of our services.


Chaosradio Express Podcast with Felix (CRE105)

Posted by Bernd Ahlers on Wednesday, January 28, 2009

Some days ago Felix got interviewed by Tim Pritlove for Chaosradio Express.

They talked about OpenBSD’s technical features as well as the development culture within the OpenBSD project. So if you’re interested in OpenBSD and want to learn something about it, this podcast is for you.

The interview got released today. Have fun!


CCC Congress is coming up

Posted by Felix Kronlage on Saturday, December 20, 2008

Nerd-Christmas is approaching :)

Bernd, Markus and I have nothing to hide and as such are going to attend CCC Congress this year again (same procedure as every year, I guess). I will be in
Berlin from the 25th through the 2nd of January. So if you feel like meeting with us either drop by the OpenBSD booth during the event or contact one of us by e-mail.

See you at congress!


Small outage in network latency graphs

Posted by Felix Kronlage on Wednesday, December 17, 2008

Today I’ve deployed a new piece of hardware (more on that later in detail ;), however, since I replaced the machine hanah.ol.bytemine.net with it, we have a small gap in our network latency graphs. sorry!


OpenSolaris Mirror

Posted by Bernd Ahlers on Tuesday, December 16, 2008

The bytemine FTP server now contains a mirror of the OpenSolaris ISO images.


Happy downloading!


New phone numbers for bytemine

Posted by Felix Kronlage on Thursday, December 11, 2008

After several months of testing, we’ve now put our VoIP phone system into production!
The new official phone numbers are:

Phone: +49-441-309197-0

Fax: +49-441-309197-99

Of course, each of us has a direct extension as well. The SIP-Connectivity comes from Antilo AG.

The whole system runs on a Soekris 5501-70 with Asterisk handling the SIP parts.
For our desk we have Snom 370 hardphones, the mobile users use ekiga as a softphone. All phones connected to the main asterisk-server run over our VPN.
Incoming calls that can not be handled due to all people being busy are submitted via e-mail to our ticketing system. That way nothing gets lost.

For the fax number we have an extension that hands over the call to IAXmodem which handles the incoming fax together with hylafax+. From there a PDF is submitted into our ticketing system, just like with our voicemail.

Aside the fact that we can talk inbetween our different locations over crypted lines, we now have a very high reachability with minimum effort!

Besides the help we got from Antilo in getting the initial SIP-connectivity running, the guys from Amooma gave us a quick hand, when I got stuck with handing over the incoming fax calls to hylafax. Of course it was a one-line change that got it working, but thanks to the
professional support from Amooma it was quickly solved.

Want to listen to some OpenBSD tunes? Dial: +49-441-30919798!


irc.bytemine.net linked again!

Posted by Felix Kronlage on Wednesday, November 12, 2008

Hooray! Since today irc.bytemine.net is linked to the Subcult IRC network again.

Around couple weeks ago (read this story) the AS the main hub is on, was not announced anymore, thus rendering us unable to reach it.

Since the AS that irc.swissix.ch is on, is still not being announced, us IRC operators have decided to build a new master hub, which is now irc.humppa.ch.

Some trivia along the news: we’re running the Hybrid ircd, and it is about time, I sit down and finish the OpenBSD port of it. One of the nice things with hybrid ircd is, that it is trivial to run the connects to the hub over SSL.

As such, we offer also SSL-based connections to our server. But keep in mind, even using irc with ssl, still allows the admin of the irc-server to peek into memory and read your stuff!

Happy ircing!


Only five days till the local event in Oldenburg

Posted by Felix Kronlage on Monday, November 10, 2008

Where are you going to be the upcoming saturday? Well, we are definitly supporting the local Oldenburg event, 3. Linux Info-Tag Oldenburg. There will be an OpenBSD-related talk by myself, titled: Commercial deployment of OpenBSD.

Of course we will have a bytemine booth as well as an OpenBSD booth. We will have OpenBSD 4.4 CD-Release Sets and all the fan-boy stuff available!

If you feel like hanging out with the byteminers while meeting with other unix/linux people from Oldenburg, join the event!

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