how to export keys; trusted.gpg DEPRECIATION

If you are getting a “Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details” message, this post is for you. Export existing keys to keep using them.

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.