Nexus 7: Cómo arreglar el problema de que sólo se oye por un auricular

Durante las pasadas navidades conecté unos auriculares a mi Nexus 7 y sólo consegí que se oyese el de la derecha.  Al principio pense que había cogido unos auriculares defectuosos pero al probarlos en el Nexus 4 y en otros dispositivos comprobé que funcionaban perfectamente. Hoy, al probar con otros auriculares mejores me di cuenta …

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Mahara: troubleshooting a nonrecoverable error when migrating and upgrading to another server

Some days ago we moved our Mahara 1.7.2  database (MySQL)  to a new machine to separte both web and database servers. Some days later we performed and upgrade to 1.8.1 and, after sorting out some issues related to collation, everything seemed to run as it was expected but, as I tried to clean my inbox …

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Mahara: How to solve collation issue when upgrading

Today I upgraded our Mahara site from version 1.7.2 to 1.8.1 (current version). What it was expected to be an easy procedure turned out to a trouble due to a database (MySQL) collation issue. Below are the details: After doing all backups as it’s required I downloaded and unzip the new version to perform the …

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Launching Teamviewer remotely through SSH

Teamviewer is a wonderful tool to access your computer (or any other device) remotely if you need to use your a graphical screen. Probably is not as secure as other linux solutions (as VNC or a VPN) but the main advantage is that is very easy to install and configure. Suppose that we are on …

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Actualizar Java en Debian Squeeze

El problema: Algunas Administraciones públicas (Como por ejemplo la Agencia Tributaria) requieren que el navegador soporte la última versión de Java por motivos de seguridad. Las versiones de Java se actualizan con cierta frecuencia así que conviene tener un método sencillo y rápido de actualizar para nos haga falta. ¿Qué versión de Java usa nuestro …

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Embedding presentations from Google Drive into Mahara ePortfolio

I’ve recently discovered that Mahara ePortfolio v 1.6.3 didn’t display by default Google Drive Presentations embedded in pages. I had tested the Mahara external content plugin for Google Apps, and it worked flawlessly when I embedded Google Maps and Docs. The exception came out when we tried to do the same ritual for embedding Google …

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Installing WIRIS in Moodle 1.9.x for our Math Teachers

Math teachers in Colegio Apóstol are eager to use Wiris integrated into our current Moodle 1.9.x platform. They say Wiris is the 2nd most powerful E-tool they’ve tested so far to improve the quality of their teaching. The first one is of course our beloved Moodle VLE 😉 I was quite reluctant to install commercial …

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Downgrade from Google Apps from business to standard edition

The problem: Recently I set up a new web site for the godmother of my son. She bought a domain ‘casanovaminiaturas.com‘ and I managed to arrange the hosting and to install  some software for her. For managing the e-mail we decide to use Google Apps but when we signed up, we did it for the …

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