2006-03-28

How to hunt for kernel memory leaks

Problem Processes on one LVS cluster node were dying by the hand of oom-killer while other nodes with same software setup (but slightly different hardware) were running just fine. I...

2006-02-28

Master's Thesis

Také k dispozici v české verzi. Intro This page is dedicated to the Master’s Thesis of Michal Jirků (née Šafránek) titled “Protecting webservers against specified attacks”. Basic info Name: Protecting...

2006-02-28

Diplomová práce

Also available in English. Úvod Tato stránka je věnována diplomové práci Michala Jirků (dříve Šafránka) nazvané “Ochrana webových serverů proti vybraným útokům”. Obecné údaje Název práce: Ochrana webových serverů proti...

2006-01-05

Spec.rb, a saner alternative to Markdown

I can’t quite remember how I got to this point, but I hate Markdown with passion. Hence I did what any self-respecting person with seemingly too much time on their...

2005-08-31

Guard free space and status of your RAID devices

Problem You might need to guard free space and status of your RAID devices on a server, without heavy machinery. Solution I wrote a simple Ruby script to do just...