Minidlna hangs on shutdown on Debian

February 4, 2014

0

I have a computer that keeps most of my media; in order to stream these media files to other devices in my LAN (such as the XBMC box in the living room) I use minidlna, which is a very simple “Digital Living Network Alliance” server.┬áThe first┬áproblem that I had is that minidlna is not currently […]

Posted in: Software

AMD announces ARM 64-bit CPU for servers

January 30, 2014

2

AMD is taking a big step for ARM architectures, that are currently dominating the smartphone and tablet market and will expand soon for servers. This is the official announce: AMD to Accelerate the ARM Server Ecosystem with the First ARM-based CPU and Development Platform from a Server Processor Vendor The benefits of having an ARM […]

Posted in: Hardware

Schneier on Security: Security Risks of Embedded Systems

January 9, 2014

0

Security expert Bruce Schneier wrote an essay on the present dangers of routers and small devices connected to the Internet: Schneier on Security: Security Risks of Embedded Systems. It’s supposed to be a wake-up call for the companies selling integrated chips and embedded systems: they need to design their product better, increasing inherent security, ensuring […]

Posted in: Security

Analyzing C source files dependencies in a program

November 24, 2013

4

This post shows an approach to draw graphs representing the dependency of C source files and modules throughout a complete program. The implementation of this method uses the functionalities of GNU ld to create a cross reference table, then NetworkX to create a graph and Graphviz to visualize it. The approach is applied to a simple example and a real embedded application (U-Boot).

Posted in: Software

Debian Nvidia driver issue with legacy card, solved.

November 4, 2013

3

On my Debian testing (jessie) computer, I usually perform a weekly “aptitude safe-upgrade“. This desktop has an old Nvidia GeForce 7300 GS card, and I’m using the “nvidia-kernel-dkms” package to provide proprietary drivers. On the last upgrade, Debian decided to install new packages with “nvidia-legacy-304xx” in their name. Other than that, a message appeared during […]

Posted in: Software

TED talk on everyday cybercrime

September 17, 2013

0

The following talk by James Lyne is an interesting wake-up call. It’s a video that technology enthusiasts could share with anyone even if they’re not familiar with computer science. James executes, in real time, two practical examples of hacking, and also shows what data and statistics can be collected by scanning a room full of […]

Posted in: Security

Debugging the STM32-P152 board with GDB

September 15, 2013

6

Olimex STM32-P152

This post shows how to debug a program running on the Olimex STM32-P152. The setup consists of free software such as GCC, GDB and OpenOCD, and FTDI USB cables.

Posted in: Embedded
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