Tag: Linux

Monitoring Android Emulator Network Traffic

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.

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GRUB Does Not Boot From SSD Disk

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 rescue> You booted from an external drive and installed Linux to the SSD disk and …

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5 Tipps für mehr Internet-Sicherheit

Dieser Artikel beschreibt die fünf wichtigsten Dinge, die man als „normaler“ Benutzer im Umgang mit Computern und Internet tun kann, um das Maß an Sicherheit im Umgang mit dem Internet zu erhöhen. Vorgeschichte Immer wieder werde ich im Verwandten- und Freundeskreis um Hilfe gebeten, um Dinge auf ihren Systemen zu reparieren, da ich mich ja …

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Native Assembler Programming on Arduino

This article is about programming an Arduino board natively in pure Assembler without carrying the rucksack of standard libraries and functions. Using a simple example and an Arduino Uno board, I will show how to assemble, link, and upload your code to the board without using the Arduino development environment. This article does not teach …

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Installing Skype on 64 Bit Debian Linux

Although I’m not really a friend of Skype for security and privacy reasons I am almost forced to use it because it seams to be most widely spread. Unfortunately, there are not many alternatives for simple users. Installing Skype onto a 64 Bit Linux system is not straight forward because Skype does not offer a …

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VGA Troubles With KVM Switches

I have never had troubles with activating and deactivating the VGA output on my (old) notebook, an HP 2510p. It has an Intel GM965 VGA controller. I used the VGA output very often because giving presentations is part of my job 😉 Typically, I type something like this: `xrandr –output VGA1 –auto –right-of LVDS1` Although …

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Install Canon Imagerunner on CUPS

The Canon Imagerunner is a series of office printers/copy machines which typically can be accessed on the network as all modern printers. Obviously, to be able to print on a printer you need the right printer driver. Basically, a printer driver is a small piece of software that translates a typical printable format1 to the …

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Smrender Presented at the Linuxwochen Vienna

Originally, I intended to give this posting the title “Anything that can go wrong…” but I decided that Smrender and my talk is more important than Murphy’s law. But stay tuned! You will read what happend. Yesterday I gave a talk about Smrender at the Linuxwochen 2012 in Vienna. Three things happened the first time. …

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Smrender now uses GNU Autotools

After publishing Smrender I got several mails regarding the compilation and installation process. Mainly because I just used a simple Makefile and because it was not tested on other operation systems beside my Linux computer. Thanks to all beta testers for now! I now introduced the GNU Autotools into the Smrender package, thus the compilation …

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Running OnionCat Services in a Highly Secure Environment

Running services within dark nets requires a lot of caution and carefulness. If the services are not configured correctly they might leak information and reveal their real location or operator. This of course is also applicable to a service based on OnionCat. This article explains how to run an OnionCat-based service in a highly secure …

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