OpenStack Swift on RPi March 24, 2013 Every attendee at PyCon 2013 got a free Raspberry Pi. So, naturally, the first thing I did was set up OpenStack Swift on it. With thanks to North Coast Brewing for Old Rasputin and Thumbtack for the beer mug, I give you a single annotated script you can use to install OpenStack Swift, the large scale distributed storage engine, onto a low-powered credit-card-sized computer. The current version of this script can be found in my github account. This was pretty fun for me. The thoughts expressed here are my own and do not necessarily represent those of my employer. Kinetic Open Storage Documentation Wiki - Kinetic - developers.seagate.com Kinetic Child pages Pages Kinetic Open Storage Documentation Wiki 28 more child pages Browse pages ConfigureSpace tools Pages Kinetic Open Storage Documentation Wiki Skip to end of metadata Go to start of metadata Table of Contents © 2013 Seagate Technology LLC. Public Presentations Seagate Kinetic Videos No labels Overview Content Tools
Hightrack | Human Centered Productivity OpenStack on RPi (Part 1) Recently I’ve embarked down a course to get OpenStack up and running on the Raspberry Pi. Before we get too deep into the particulars, let’s talk about why such a thing should be done. What could one gain by running OpenStack on the Pi? Who would use it? For me, there are a few reasons: Because Awesome! Because Awesome First and foremost, this is a project I undertook because well… it seemed just that, awesome. Use a new toolLearn a new thingPut something together in an unexpected way In this case, I got to learn a bit about LXC, Docker, recompiling the kernel, and a bit about ARM, Raspian (the Debian derivative for the Pi). Cost, Power, Portability The Pi’s are cheap and relatively low power. Education, etc Education here, comes in a few flavors. I am sure there are plenty of reasons (more than plenty) of reasons to go down this road.
Git for Computer Scientists Abstract Quick introduction to git internals for people who are not scared by words like Directed Acyclic Graph. Storage In simplified form, git object storage is "just" a DAG of objects, with a handful of different types of objects. blob: The simplest object, just a bunch of bytes. tree: Directories are represented by tree object. When a node points to another node in the DAG, it depends on the other node: it cannot exist without it. commit: A commit refers to a tree that represents the state of the files at the time of the commit. refs: References, or heads or branches, are like post-it notes slapped on a node in the DAG. git commit adds a node to the DAG and moves the post-it note for current branch to this new node. The HEAD ref is special in that it actually points to another ref. remote refs: Remote references are post-it notes of a different color. tag: A tag is both a node in the DAG and a post-it note (of yet another color). History This is the simplest repository.
Ghostscript: Ghostscript Framboise314 A partir d’aujourd’hui, vous pouvez vous procurer le bundle xPIrience chez Kubii. Cet ensemble vous permettre de tester les composants électroniques en liaison avec le Raspberry Pi et de mettre au point vos montages avant de réaliser une carte définitive. Il peut également permettre aux écoles/collèges/lycées et universités d’avoir un kit de démarrage pour des postes de découverte de l’informatique et/ou de projets pour les étudiant(e)s. Composé d’un Raspberry Pi Model B équipé de 512 Mo de mémoire, le bundle est livré avec une carte SD 8 Go prête à l’emploi. En effet la version de NOOBS présente sur la carte vous permet de lancer Raspbian en mode texte, en mode graphique ou en mode graphique avec Scratch mais aussi XBMC le centre multimédia. Le kit comporte un support Pi Dish d’Adafruit, superbement découpé au laser, et permettant de fixer le Raspberry Pi dans le sens que vous souhaitez. Enfin pour démarrer vos expérimentations, le livre Raspberry Pi vient compléter le bundle.
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