Browsing All posts tagged under »linux«

Linux: How to encrypt your data on hard drives, USB sticks, etc. – Random sputterings..

December 19, 2012


Andreas Happe wrote a simple guide on how to encrypt your home directory or USB sticks with Linux. Some time ago I blogged about Encrypted Linux on USB key, which uses the same encrypting solution, LUKS. The guide: Linux: How to encrypt your data on hard drives, USB sticks, etc. – Random sputterings...

Free Electrons Android training materials

June 20, 2012


Free Android training materials – Free Electrons blog. Free Electrons publishes another set of extremely useful materials that include instructional slides, source code and documentation. The objective of the course is to familiarize with Android from its lowest levels, using also this Devkit8000 embedded board. The (383) slides and the (24-pages-long) hands-on lab exercises are […]

ELC 2012 videos and slides

April 7, 2012


Free Electrons posted the videos of the last Embedded Linux Conference 2012. Unfortunately most of the videos have really bad audio quality, so maybe this time reading the slides will be more effective. The most interesting topics for me are the following: The Kernel report Binary Blobs Attack!!! Status of embedded Linux Experiences With Device […]

Compile Linux kernel 3.2 for ARM and emulate with QEMU

March 31, 2012


This is a tutorial to: 1. Get Linux kernel 3.2 source code 3. Configure and compile for Versatile Express ARM Cortex-A9 platform 4. Prepare and create a ramdisk using initramfs schema 5. Emulate kernel boot and ramdisk execution using QEMU

FOSDEM 2012 videos

March 18, 2012


The videos of the last Free and Open source Software Developers’ European Meeting 2012 have been uploaded. The most interesting videos for me are the following: ARM BoF: state of the ARM architecture porting of various Linux distros (54:40 video) Debian secrets: useful information to get started on using or developing Debian (41:24 video) Multiarch: why […]

Linking a binary blob with GCC

February 19, 2012


There’s a simple way to include binary data inside an executable, when using a GCC toolchain. The trick relies on using objcopy to transform the binary blob of data into an object file that can be linked. In this example I am creating a binary blob of 16 bytes of random data in file “blob.bin“: […]

Bruce Perens on Open Source Hardware

February 1, 2012


Linux Conference Australia, Ballarat 2012. The creator of Busybox and co-founder of Debian makes a compelling and rational argument about who should speak for Open Source, and then offers a hopeful perspective on the new frontiers of Open Source Hardware. He is convinced that today there’s plenty of enabling factors to make Open Source Hardware […]


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