RaspberryPi 2 Model B SD Life Extender

I am a very happy owner of a RaspberryPi Model B 2, a quad core ARMv7  computation unit for a price between 45 and 35 €.

If you plug only a network cable it can be powered by a USB port of your router (!avoid putting on it other USB stuff, because the energy drain can be too much).

RaspberryPI  is a perfect all-time-running machine, just follow this smart guide…

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Debian perfect work environment

Working in a big company, my work laptop came with MS-Windows7 Enterprise installed.
But as you imagine, Unix is my preferred desktop environment. So let’s how to configure a perfect Debian Linux for a old wolf consultant like me. You will be able to install commercial software mubmo jumbo like Oracle Express and IBM Websphere in a snap, and have a 64 rock solid system, easy to bring in a USB stick if you like.

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Bash secret powers

This entry is part 2 of 2 in the series Unix swissknife

Bash scripting has evolved a lot in the last ten years.

I get used to relay on bash for all normal “data domination” tasks (like file system refactorings, database extraction and reporting and so on) and switching to python/ruby/perl when the complexity gets bigger. I didn’t imagine bash is even more powerful :) This article by Robert Muth so you new nice tricks: I  add here some other like mapfile and stress the most important one.

Update2016:Last but not least,if you do now know about bash history, this link will teach you a huge set of tricks

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Fare il cloud da zero: cloudStorm

A Gioorgi.com ci siamo già occupati di argomenti prettamente sistemistici come la virtualizzazione di ambienti Unix. Visto il successo del Cloud Computing, abbiamo pensato di tornare sull’argomento.

In questo articolo mostrerò come creare insieme di macchine configurate in modo omogeno, con il minor effort sistemistico possibile. Si tratta di un primo esercizio molto semplice.


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