It might be interesting for several reasons to monitor the network traffic of Android devices to watch the network behavior of some apps. This article describes how to monitor network traffic running the Android AVD Emulator on Linux. … Continue reading
Category Archives: Hacking
You have problems booting Linux from an SSD disk? You recycled an older notebook or you enhanced your newer notebook by replacing the old-school spinning harddrive with a new SSD drive and then… error: unknown filesystem. Entering rescue mode… grub … Continue reading
Short answer: you can’t but yes, you can! This is an endlessly recurring question in many groups on the Internet. Today (2016/01/14) Google has 171 Million hits. This article answers the question and sheds some light on arrays in C. … Continue reading
Some time ago I wrote this article about using integer operations to calculate fractal images. Currently, I’m giving a course which prepares for malware analysis. Among other things we deal a lot with Intel assembler and how compilers create and … Continue reading
Evading Firewalls With OnionCat … Continue reading
Nowadays, a responsible administrator should never run any service without TLS anymore. Unfortunately, this makes life even more difficult for several reasons. This article discusses some problems associated to certificates, specifically in respect to web applications which interactively connect to … Continue reading
Some time ago I wrote this article about the build chain for assembler programming on Arduino. The article contained a simple blinking LED example. In the meanwhile I got several questions about Arduino and assembler. This article is about a … Continue reading
After doing another course in C programming there is a new lesson. There are some hints on programming and most of them apply to any language, not just C. The following rules are recommendations which are true in most cases … Continue reading
It was in the late ’80s when I started to become interested in fractals. At the time then computers very unbelievable slow compared to what we have today thus I tried to speed up the algorithms in several ways. This … Continue reading