Part 1: Even maildirs need their personal space I did a migration of my mail server over the last weekend and I ran into a strange error when I brought things back online. My system was receiving mail fine, but it was being deferred in the...
After maintaining a WordPress-based site for some years, I've decided it's time to try something that requires a little less maintenance, and hopefully performs much better. After looking at a few options, I landed on Pelican, a python-based...
This morning I walked out of the bedroom to make my morning coffee and was greeted with a tech support problem. My wife had been up for a while already, and said something was wrong with the network. Coffee in hand, I opened the laptop and was...
[For more context: see Tech nibble: KVM host networking topologies] Traditional VLAN bridging and its problems Linux bridges have been the traditional means of connecting KVM guests, and VLAN support is usually the means by which they are...
As part of my move to IPv6-only networking, I took some time to re-evaluate the functions and configurations of my VM hosts with the aim of greater segregation between workloads, more predictable failure scenarios, and making sure my IPv6...
I've previously explained the background and motivation of The Little Network That Could, but I realised that there are some implicit values that permeate my choices which would be worth making explicit. Here are a few which come to mind:...
It seems that MLD snooping on Linux bridges has broken various parts of IPv6 connectivity over the past 10 years or so. Initial reports of bugs were from 2013, when having MLD snooping enabled on the bridge broke neighbour discovery (breaking...
Alongside my tech nibbles posts, I'm going to add another type of short post which chronicles the difficulties I've encountered in trying to achieve my IPv6-only end state. These posts may contain somewhat spicy opinions 🌶️ or ranting 🤬. Mostly I...
Once again it has been too long between blog posts, and there has been quite a lot of activity going on behind the scenes in The Little Network That Could (or TLNTC, as I call it). I've built up such a large backlog of topics (mostly from the...
It has been far too long since my previous post introducing TLNTC. This episode will be a (hopefully!) shorter overview of TLNTC's journey into IPv6 connectivity. Early days I don't know when I started first started to think seriously about...