@stefanoStefano Marinelli True story: Ilja is a member of the Netric Dutch/Belgian hacking crew (I don't think the group is active today, though). I used to hang around Netric's IRC back in the early 2000's, meeting Ilja for the first time there.

It was because of him and a few other hackers that I learned #FreeBSD, specifically the brand spanking new jails feature.

I was a member of another hacking crew, Hack3r/Roothack, where we would hold rootwars style wargames. We would gather in teams and be given a box running an ancient (at the time) and vulnerable version of Linux. We would be given a 24-hour grace period, where we secure our team's box and set up a minimum of three remote services for the other teams to attack. The first team to gain a root shell on another team's system wins.

In one round of wargames, we deployed #FreeBSD 4.0 with the brand new jails feature. We set up the three services in three different jails. When another team thought they compromised us, we killed the jail, thereby kicking them out.

We won that round. :-)