Tag Archives: docker

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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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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