Month: December 2018

The humble power bank as a marketing swag giveaway: Don’t bother

About 10-15 years ago the power-bank came on the scene. People were carrying phones and other gadgets around that needed charging and were constantly worried about running out. As a consequence, if you offered them one with your logo, they

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The car charger virus arrives

In December 2017 I predicted that 2018 would see a virus that transmitted malware via smart electric car chargers. Well… (good?) news everybody, its here. They only highlight one, an in-home charger, here by chargepoint. Side note: that self-same charger I

When good recursives go bad: why does not give the same answer as

Anyone got a suggestion for this? Why would Cloudflare DNS be unable to resolve the SOA record of a given domain if Google DNS can? can also resolve this without trouble. Its not a one-of either, it repeatedly refuses

Force docker to always rebuild from a certain layer

Docker has a cache. This saves you a ton of time when the instructions haven’t changed. But sometimes it cannot tell if there’s a change, e.g. it may be doing a ‘pip install git+http://…’. If the package has changed, it

Build a docker container with a relative path to another directory

OK. We’ve all been there. We want to make one container that installs something from git that it is in another repo. But we don’t want to keep pushing that other repo. Perhaps you want to do something like: ADD