raspberrypi

Meltdown and Spectre Mitigation removal

Some time ago I stumbled upon this Hacker News discussion on how disable Spectre mitigation. (For what Meltdown and Spectre is, refer to this article on 2018) It is sad to say but my Intel NUC centrino was slowed down a lot by these mitigation, and the same faith is shared by old Intel server. …

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Pi-Hole: per la privacy a casa

Se vi dicessi che il 20% delle comunicazioni che il vostro smartphone attua per consentirvi di usare Whatupp o leggere il giornale è verso i server pubblicitari di google, facebook, amazon, come reagireste? Questo è un articolo divulgativo su uno strumento che è possibile installarsi a casa propria, per proteggere la propria rete Internet dalla …

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Ansible rulez!

In the last weekend I needed to restore my RasperryPi service box. It is a raspberrypi 2 which mostly make backups of my blogs. Its microSD card gets corrupted, forcing me a full reinstall. I decided to try to make everything via Ansible. I have already a strong experience with Saltstack, another software used to …

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Docker Shadow of Lights on Raspberry Pi 2/3

Cloud, DevOps, and Microservices are three strong forces are melting together. Containers is the key technology around them. Before docker, horizontal scaling via VM spinning was feasible but a slow speed, compared to the speed of a docker container boot. So do you want to learn docker without going out of business? Let’s go! So if …

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RaspberryPi 2: The perfect box for your backpack

After my two children grow a little, I have some spare time to play with RaspberryPi. I have bought a Raspberry Pi 2 Model B, a very neat and compact machine with 1GB of RAM, and a quad-core ARM chip on it. I was looking for an easy-to-carry unix box, and I was wrong: raspberry …

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