Author Archives: Luke Bennett

Docker service fails to start when using devicemapper

This has tripped me up too many times now, I need to make a note for future reference. With Ubuntu 16.04 and devicemapper as the docker storage driver, occasionally after a system boot the docker service won’t startup. The logs (systemd status docker.service) show something like: Dec 05 15:18:23 xxx systemd[1]: Failed to start Docker Application […]

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Thoughts on the journey towards containers

I spent a couple of days this week at ContainerSched 2016 where I took part in a panel discussion, sharing insights from our journey into containerisation. All the sessions are available to watch online. The event wrapped up with a cracking keynote by Adrian Colyer entitled “Making sense of it all” in which he presented […]

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Show hidden files in Atom sidebar

By default, the Atom editor hides files in its sidebar that match your VCS ignore file. This can be frustrating, as a hidden file isn’t necessarily one you don’t care about – for example, the node_modules folder will typically be excluded from a Node.js application, but you may wish to jump in and examine a module, do some […]

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Make Docker play nicely with UFW

I’ve been spending a lot of time working with Docker over the last year, primarily in Ubuntu environments. So long in fact, that I seem to have forgotten this blog exists 🙂 Something it took me a while to figure out was how to stop Docker from bypassing UFW and exposing mapped ports to the […]

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C# compiler error CS0182 when building via TeamCity

When running a build via TeamCity, I started to get the following exception: CSC error CS0182: An attribute argument must be a constant expression, typeof expression or array creation expression of an attribute parameter type The same code built fine in Visual Studio 2012, and nothing had changed on the build server so clearly something […]

Posted in Fixes | Tagged , , | 32 Responses