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Backup Linux embedded system firmware (Heden, Foscam, WRT..)

Posted on October 26, 2013 by admin

This post talk about a cheap Heden clone outdoor camera but should work on most Linux embedded systems. Here the little story : A friend ask me to repair his bricked Heden cam copy (no-name). So let’s open it, find … Continue reading →

tag: Bootloader, Camera, linux, Python

Howto enable hibernate on a Linux Manjaro

Posted on June 16, 2013 by admin

I run into some issues with my current Debian systems. In fact, I use Debian on a lot of computers, but most of the time the sessions are consistent, some have nautilus working some don’t .. same for automount, grub-updater, … Continue reading →

tag: linux, Manjaro

Howto : Change Spotify font size (for 42″ TV display)

Posted on January 16, 2013 by admin

I use Spotify for my every day listening, and I decided to use it on a big screen : My 42″ LCD TV. Simply launch Spotify in a one-line .xinitrc script. It fit perfectly in full screen mode without any tweak. But … Continue reading →

tag: linux, Python, spotify

Change the default sound card in Spotify : Alsa + Monkey Patching

Posted on December 8, 2012 by admin

I’m a long time Spotify user right now. I decided to opt for a unlimited account due to the price. The main issue : Spotify for Linux is a closed source software, doesn’t allow the user to change the sound … Continue reading →

tag: alsa, linux, spotify

Connect NGW100 Linux (AVR32) to Arduino with I2C

Posted on January 8, 2012 by admin

For a Linux embedded training, I need to find something fun to plug on an AVR32 board. The board used for the training is a NGW100 board. I decided to try to use the I2C bus. I have several I2C … Continue reading →

tag: arduino, I2C, linux, openwrt

Howto use AVR Dragon Jtag on Linux (Avarice + avr-gdb +DDD)

Posted on November 30, 2008 by admin

I bought a couple of months ago a little AVR Dragon card. My initial plan was to use it for debuging programs with the embbeded JTAG. But I run into several issue with that, mainly because the lack of doc … Continue reading →

tag: avr, gdb, linux

2D benchmarks on Linux Nvidia, Intel, ATI: xrender

Posted on May 17, 2008 by admin

For my new computer I bought a ATI HD 2600 PRO with a bunch of memory. This card has some really good 3D results, and works well on Linux. But I run into some issues with de xv extension on … Continue reading →

tag: ati, drivers, linux, nvidia, q6600, ubuntu

Howto reinstall / restore Grub with an Ubuntu

Posted on October 30, 2007 by admin

After a windows fresh install, the windows setup decided to drop my MBR to put its stuff in. Fine .. but I want my grub back now ! This is an old trick, but udev added a little complexity, so … Continue reading →

tag: grub, linux, sata, ubuntu

Playing with Realtime with Python

Posted on January 24, 2006 by admin

For a little app, I need to send stream over UDP at a fixed rate. I have done severals tests w/ some buffers and sleep(), but I can’t achieve the desired speed. Mainly because sleep() doesn’t provide a stable enought … Continue reading →

tag: linux, Python, rtc

Playing music on soundcard without locking

Posted on February 9, 2005 by admin

Why this soundcard allow me to play 2 mp3 at the same time while this doesn’t.. Hum good question. In fact to support this kind of stuff the sound card should support have some sub-device, to be sure .. simply … Continue reading →

tag: alsa, audio, computer, linux, soundcard

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