Archive for the ‘howto’ Category

Apache 2.4 changes things a lot – particularly around authentication and authorisation. I’m not the first to run into this issue, but I didn’t find a single straight answer online. So here goes (as root): If you want mpm-worker then do this instead:


Dockercon #2 is underway, version 1.7.0 of Docker was released at the end of last week, and lots of other new toys are being launched. Time for some upgrades. I got used to Docker always restarting containers when the daemon restarted, which included upgrades, but that behaviour went away around version 1.3.0 with the introduction […]


Last week Jérôme Petazzoni did an excellent (abbreviated) version of his ‘Deep dive into Docker storage drivers‘ at the London Docker Meetup. If I wasn’t convinced enough by that, Jessie Frazelle hammered home the same point in her QCon Presentation – AUFS is where it used to be at, and the new king is Overlay. I set about […]


TL;DR The Administrator setup for Google Apps Migration guide makes things look pretty straightforward, but it’s much, much more complicated. What should be just a couple of check boxes turned out to be a twisty turny journey through hidden menus littered across distant parts of the administrators console. Background The move from CohesiveFT to Cohesive Networks […]


I fell into a trap with my new Gen 8 Microservers like this: Install 60 day trial license for iLO Advanced Update BIOS date/time Find that trial license has now expired :( There really should be some sort of warning on the license page (and maybe also the serial/password tag) to say update your clock […]


The TP-Link WR-703N is a nice, hackable pocket WiFi router. I’ve seen them put to some interesting purposes, but I didn’t own one until yesterday when the kind folk at QCon Shanghai gave me one. I’m not a fan of factory TP-Link firmware at the best of times, but more so when it defaults to […]


Before writing my InfoQ story about Flocker I ran through my now usual process of getting my 3 tier demo[1] working on it (in addition to running through the getting started guide[2]). What I found is that Flocker doesn’t yet support multi container apps, but then it is only at release 0.1 (and proper multi […]


Just as I did with Fig I had a go at composing my three tier demo app with CenturyLink’s Panamax as I was writing my InfoQ piece on the launch. You can see the resulting todomvc.pmx template file in GitHub (and see that it’s very similar to my fig.yml), but it’s a visual tool, so let’s […]


TL;DR If you’re a Three customer using a 4G capable device abroad with their Feel at Home free international roaming then you may have to manually select 3G as the network preference in order to get a data connection. Update 1: Terence Eden provides a telco insider explanation what what’s going on (or should that be […]


Boot2Docker is a minimal (27MB) Linux image for running Docker. I started using it yesterday whilst investigating Docker on Mac OS X. It’s designed to work with VirtualBox, and comes with a script to control the lifecycle of the Boot2Docker VM inside of VirtualBox. There’s no reason however why it shouldn’t be used with other […]