Dell XPS – add disk encryption

The Dell XPS and Precision laptops with Linux pre-installed are great for personal and business use. Unfortunately, they lack an important feature: their disks have been factory pre-installed without encryption. Read below how to add that to the system without having to reinstall.

Upside Downternet v2.0

I’ve always wanted to implement upside-down-ternet, but lacked the resources. But now it’s 2016 and you can make your wifi-stealing-neighbour’s web browser do all the hard work. This means that a simple OpenWRT router will have enough power to flip the internet – all of it, except for the ssl-protected areas. Update 2019/2020: this site…

Syslog-ng intrusion detection

There seems to be a problem using the file() destination for /proc files in Linux. When implementing Securing Your Server With Syslog-NG you will run into it. Please read below.

(Not) rooting RK3066 systems

The update updated, 2014-04-28: unbricking is fairly easy, see https://valentijn.sessink.nl/?p=517 Please note that I received some reports from people that tried to flash their RK3066 stuff – but it would not boot afterwards. And in fact, that’s what I experienced when I tried to flash my Minix Neo X5.

Securing your server with Syslog-ng

There are many programs that help you secure your servers. There are simple firewalling programs and there are complex network intrusion detection systems. Depending on your demands, there seems to be a solution for everyone. Unless you’re picky and you think you can do better – like I did, when I wrote my own combination…

Walkera helicopters under Linux – part 3

In part one we built a kernel module and put it somewhere in the filesystem. In part 2, we changed the inputattach utility to be able to use the new transmitter. Now we’re ready for the real part: install the Heli-X simulator.