Browsing All Posts filed under »Software«

Debian jessie XFCE hang on login [solved]

September 7, 2014


Today I had a nasty surprise when turning on my computer: when I tried to login, it hanged while closing the login screen, and my desktop didn’t appear. So I started troubleshooting. Using Ctrl-Alt-F1 I tried to login from text console, and it worked. From there, I was able to run a desktop session with […]

A story of Gmail war on spam, and plans for end-to-end encrypted mail

September 6, 2014


Mike Hearn is a security expert that worked on prevention of spam and abuse at Google, and on Bitcoin-related systems. He wrote a rich but clear mail that gives a good perspective on the effort that email providers must pay to be able to fight spam effectively: Modern anti-spam and E2E crypto (via The essay […]

HowTo setup A20-OLinuXino-MICRO RootFS on SATA and ownCloud

August 20, 2014


Originally posted on olimex:
fromcologne posted on our forum interesting tutorial how to setup rootfs on SATA drive and to setup your own cloud service with A20-OLinuXino-MICRO. Now you can keep all your work files, pictures, movies to your own Cloud storage service and have access to them via your phone, laptop, tablet etc devices. Good…

Upgrading my Galaxy S from Cyanogenmod 10 to 11

August 9, 2014


I still use a Samsung Galaxy S (yes, without any numbers or words after the S), and I installed CyanogenMod on it. I kept upgrading it quite regularly until some time ago, when CyanogenMod decided to call their releases “snapshots” and I instinctively labelled them in my mind as “nigtly builds”, when instead they are the […]

How to create bare minimum Debian Wheezy rootfs from scratch

July 21, 2014


Originally posted on olimex:
In this post we will explain how you can create your own Debian rootfs with pre-installed packages of your choice, which to allow tiny Linux images to be created. All steps below should work on any Debian host (Debian/Ubuntu etc) and are verified with Ubuntu 12.04LTS. First of all you need…

Digital Signal Processing course on Coursera ended

July 20, 2014


I attended the last session of Digital Signal Processing course offered by the Polytechnic of Lausanne (EPFL: École Polytechnique Fédérale de Lausanne) through The course is presented by Professors Paolo Prandoni and Martin Vetterli. I already knew some of the topics from University, but it was ten years ago and I wanted to refresh […]

ChibiOS kernel on Olimex STM32-P152

May 2, 2014


I wanted to try the ChibiOS/RT real-time operating system on my micro-controller board that mounts an STM32L152VBT6. ChibiOS is one of many alternative real-time operating systems such as FreeRTOS, RTEMS, eCos and NuttX. It supports many platforms and it’s actively developed by Giovanni Di Sirio (full disclosure: we both work at STMicroelectronics). I downloaded the […]


Get every new post delivered to your Inbox.

Join 498 other followers