Are we going to be slaves of algorithms?

Server idnes.cz published an interview with Josef Šlerka, an expert on new media (translation by Google Translate). He warns that we can become slaves to algorithms that we do not understand. This issue has been raised repeatedly in media. I don’t doubt the fact that the algorithms are much more important in our lives than […]

Experiments with ZRTP and FreeSwitch

ZRTP is very important project for securing your voice communication. I started playing with Jitsi, Acrobits Softphone and FreeSWITCH. What I found out after initial configuration of ZRTP for FreeSwitch is that FreeSwitch attempts to negotiate ZRTP keys and act as a trusted man in the middle. I wanted to avoid that and provide end […]

Moral reform by Ztohoven: An ultimate hack

Almost nobody would guess that the speech of Czech MP David Rath would start a moral reform in the country. Rath was arrested and charged with receiving bribes in May 2012. He had a chance to explain what happened to other MPs, who would then vote on his political immunity. His words were not addressing […]

Backing up your github repositories

I put a lot of my free software to Github lately. Github is nice, it allows community forks and other great things. But what if it is gone? For that, we have backups. Do we? We should. Addy Osmani wrote about backup up your github repositories. He gave three solution. The second one did not […]

Report from 29c3

Chaos Communication Congress (CCC or C3 for short) is traditionally held between Christmas and New Year. This date is chosen not only because most hackers are free during this time, but also because organizers like to avoid people who go to conferences to escape their job and actual work. An unusual but effective solution. In […]