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Keyword: free software

Tunneling with sshuttle

2010-12-02, Dept. of Computer Science, University of Hamburg

Tunneling with sshuttle

In this Lightning Talk, held at the KunterBuntesSeminar, I presented a small tool called sshuttle and compared it to other, more well-known software solutions.

The Department of Computer Science at the University of Hamburg uses, among other things, IP-based authentication for access control. This means that there are some resources, e.g. on the web, which can only be accessed from the Dept. of Computer Science IP subnet. To access these resources from home, it is necessary to create and use some sort of connection to the CS net. This can be accomplished by connecting to the VPN or by establishing an SSH connection. The tool I showcased, sshuttle, promises a new way to solve this problem by tunneling IP traffic through a simple SSH connection using iptables. This idea has several advantages over the alternatives.

What is LaTeX anyway?

2010-11-11, Dept. of Computer Science, University of Hamburg

What is LaTeX anyway?

This talk was held in the KunterBunteSeminar, a workshop conducted by the students of the Computer Science department, University of Hamburg.

It was conceived as a general introduction to working with LaTeX, primarily appropriate for absolute beginners. I gave an overview of how LaTeX documents are structured and how packages are included. Next, I spent a lot of time going over the most important and well-known packages (such as KOMA-Script and Beamer). Also included were some handy tips and tricks that hopefully help make LaTeX more fun and less daunting.

At the end, we had a look at the LaTeX code of some example documents I prepared: a simple official-looking letter, the current version of my bachelor thesis, and the very slides for this presentation.

Why don't I have to agree to the GPL when installing Linux?

2010-06-15, Dept. of Computer Science, University of Hamburg

Why don't I have to agree to the GPL when installing Linux?

This is a lightning talk (five minutes in duration) that was held at the KunterBuntesSeminar in the summer of 2010.

In it, I addressed the differences between a EULA (like a lot of proprietary software use them) and a permissive license like the GPL, which is used, among others, by the Linux kernel. Most importantly, I explained why there's no "accept the GPL" screen during a Linux installation.

Ubuntu bug #248619

2010-06-15, Dept. of Computer Science, University of Hamburg

Ubuntu bug #248619

This is a lightning talk (five minutes in duration) that was held at the KunterBuntesSeminar in the summer of 2010.

I introduced the symptoms of famed ubuntu launchpad bug #248619 and its duplicates and examined the cause of the problem.

Free Software for Beginners

2009-06-16, VMP5, University of Hamburg

Free Software for Beginners

This talk was prepared and held by various volunteers (Alexander Beifuß, Kai Hildebrandt, Tim Krämer and me) for the "Bildungsstreik" event in 2009, where regular university courses were supplemented by talks and courses created by students for students.

In this talk, we introduced the audience to the idea of free software and its importance. Afterwards, we played a game of "guess which is copyleft" as can be seen on the slides.

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