Daniel.Pocock's blog

Quickstart: Integrating SIP support into any application with reSIProcate

Today's applications are more dynamic and interactive than ever before, typically offering the user many ways to collaborate or get live data about their community or environment as they need it.

Comparing packaging workflows in Debian and beyond

My blog post yesterday about Debian's git packaging workflows was meant to help fill some gaps in the documentation of this process, one of the most significant being the diagram.

The multiple repository conundrum in Linux packaging

I'm involved with a number of free software projects as both a developer and as the maintainer of packages for various distributions such as Debian (which also feeds packages to Ubuntu) and OpenCSW.

I regularly come across the following situations:

Migrating to Xen Cloud Platform (XCP Xen-API) on Debian wheezy

I recently decided to upgrade my server and host it in a new location (turns out that leaving the UK hosting was a smart move too, as new UK laws to rein in the press are more likely to punish and censor private web sites and bloggers)

Switzerland Glacier Express (video)

With many people coming to visit this year, both for DebConf13 and holidays, I'm going to start sharing some Swiss travel tips here in the blog.

One of Switzerland's most popular tourist promotions is the Glacier Express railway. Here are the facts and a cool video.

Avoid tickets/itineraries with fixed dates for visiting the mountains.

The full Glacier Express journey is about 6 hours, and if it is cloudy or foggy, it is 6 hours in a train just like any other train.

Spotting Cypriots with Bitcoin

For anybody in Cyrpus right now, it should be relatively easy to spot those residents who keep their wealth in physical gold, silver or Bitcoin. Why? They will be the only people smiling this week, as everybody else has just had 6-10% of their bank account gouged by a once-off tax.

What is really scary is that Cyprus is a Eurozone country.

DruCall 1.1.0 released

DruCall 1.1.0 for Drupal has just been released.

The main improvement over 1.0.0 is that it now permits the TURN servers to be configured instead of using hard-coded STUN server addresses. TURN servers (such as reTurn from reSIProcate or TurnServer.org) provide the ability to relay media streams on a public IP to ensure guaranteed NAT traversal. Support for ICE/STUN/TURN is a mandatory part of the WebRTC specification.

Enabling spam-free comments on this blog (Updated)

I'd like to enable commenting on this blog, but I've seen blogs flooded with spam in the past.

Due to my work and other commitments, I can't monitor the blog constantly to filter out spam.

Can anybody suggest a viable solution? Should I ask people to register by SMS, like getting a Facebook account? Should I try the Mollom network-based service discussed in the Drupal site? Will Captchas cause more frustration than adding value?

Firewalling IPv6

With my new ISP providing native IPv6 transit, enabling IPv6 in Debian is pretty trivial, just update /etc/networking/interfaces:

iface eth0 inet6 static
	pre-up modprobe ipv6
	address 2001:67c:1388::2
	netmask 64
	gateway 2001:67c:1388::1

if you have a Linux router, enable packet forwarding:

echo 1 > /proc/sys/net/ipv6/conf/all/forwarding

and add AAAA records to DNS:

This blog has upgraded to XCP, IPv6 and Debian 7.0 (wheezy)

If you noticed I hadn't updated the blog for a few days, you may have already anticipated that I've been up to something.... and you would be right.

The virtualisation platform that powers this blog (and a lot more, including Lumicall and DruCall) has just been updated to Xen Cloud Platform (XCP) on Debian 7.0 (Wheezy, release candidate 1)

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