A couple of weeks ago, I went to a Redis Meetup in Lille, presented by François Cerbelle. It motivated me to look a bit more into Redis.
Redis is an open-source in-memory key-value database, which supports different kinds of data structures, such as strings, lists, maps, sets, sorted sets…
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What is Docker?
From the official Docker website:
Docker is the world’s leading software container platform. Developers use Docker to eliminate “works on my machine” problems when collaborating on code with co-workers. Operators use Docker to run and manage apps side-by-side in isolated containers to get better compute density. Enterprises use Docker to build agile software delivery pipelines to ship new features faster, more securely and with confidence for both Linux, Windows Server, and Linux-on-mainframe apps.
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Kotlin is, as described on the official website, a
Statically typed programming language for modern multiplatform applications
Programiz has a great infographic that explains the interest of learning Kotlin.
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In this post, I’ll describe how I’ve set up the monitoring of my micro-cluster of Raspberry Pi with Nagios.

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For the last 3 years, I’ve been working as a technical team leader for IBM Client Innovation Center.
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