Author Archives: Eraclitux

Installing MySQL-python with custom mysql installation

If you are tryng to $ pip install MySQL-python in a system where MySQL is installed manually (not with a packet manager) you will get this error:

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How to install nbd on CentOS

There is no packages (client or server) for CentOS yet but you can use an rpm for Fedora you can get here. Grab one not too new. I used the one for Fedora 15 for a CentOS 6.2. After that to use nbd-client … Continue reading

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Fixing an enc28J60 based Arduino Mega ethertnet shield

Prototyping my home automation system i ran into troubles. I can’t make work two SPI devices on Arduino Mega. One is an ethernet shield based on enc28J60 made by ekitszone, other is a small module based on Nordic’s nRF24L01+ transceiver. … Continue reading

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Comunikino, an Arduino based communication system

“Social things” have replaced traditional ways of communication like sms and mails. One day i needed a new, fast, mobile and snappy way of communication. So i made Comunikino. It consists of two main parts, a script in python that … Continue reading

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Prevent Google Analytics to log you

Have you heard that? Google made up a Chrome (and Chromium) extension  to let you bypass Analytics’s tracking java code. So if you work on a website and don’t want to perturb site stats or if you are jealous about your privacy this is for … Continue reading

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EIA 485 over unused pairs of ethernet cable [Test]

To carry out my plan of a home automation system (domotics) made by me I am experimenting the use of the EIA 485 communications protocol. Having wired the house with lots of cat5 cables and knowing that two of the four … Continue reading

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Communicate with Arduino using python

Os: linux, windows (not tested), mac osx (not tested) Difficulty: medium Knowledge you need: a little bit of python programming (ver 2.x) and Arduino Let’s see how easy it is to communicate with an Arduino 2009 board and the  pySerial python’s module. What we will do is to use python to send characters serially to an Arduino 2009 which will … Continue reading

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Creare ombre con i CSS

Difficoltà: Facile Conoscenze richieste: un po’ di css e html Lo sapevate? Esistono tag css che permettono di creare ombre per oggetti e testo “al volo” senza cioè usare programmi di foto ritocco. Le ombre saranno create direttamente dal browser del visitatore. … Continue reading

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Guardare i video flash con vlc o totem su Ubuntu

Difficoltà: Facile Conoscenze richieste: utilizzo di base di linux Sistema Operativo: Ubuntu 10.04 (ma dovrebbe funzionare in molte altre distro e versioni, fatemi sapere) Sapevate che potete vedere i video che usano il flash player (i video di youtube, i video … Continue reading

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Il primo post del mio ennesimo blog. Quante volte ci ho provato in questi anni? Si contano sulle dita di una mano i tentativi di mantenere un mio blog personale, mi chiedo allora cosa succederà questa volta, cosa c’è di … Continue reading

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