Using Ubuntu Core OS in production

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Using Ubuntu Core OS in production Renat Galimov Full-stack developer Screenly, Inc

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Screenly digital signage • Controlling screens over the internet using RaspberryPi • Web-panel for centralized screen management • Automatic updates • Displaying videos, images, web-sites

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Ubuntu Core • OS for IoT and containers • Minimalistic • Secure • Easy to use

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Updates in IoT •Unreliable •Dangerous •Unpredictable •Expensive mistakes

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Possible solutions • Not updated • Updated by customers/users • Configuration management tools (Puppet, Ansible, ...) • Atomic updates (Docker, Ubuntu Core)

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Not updated

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Updated by customers

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Configuration management tools

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Atomic updates

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Updates: Apt

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Updates: Puppet

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Updates: Core

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Security

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A couple of words about Resin • IoT platform • Docker fork • Needs central server

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Entry barrier Tools: • Snapcraft • Ubuntu Image Links: • https://snapcraft.io/ • https://docs.snapcraft.io/ • https://forum.snapcraft.io/ • https://github.com/snapcore/snapd/ -> /interfaces/builtin

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When to use + A lot of equivalent devices + Heterogeneous environment + Hard to reflash

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Less appliable situations ± No updates, or updates happen very rare ± No access to the internet − Devices are different