New version of Tespeed (Terminal network speed test)

Most advanced computer users know about speedtest.net that helps testing your internet bandwidth. While it is a great tool, it has only flash version available on their web site and there are Android and iOS apps for your mobile phones, but there were no tools available for Linux servers without GUI. Back in 2009 I …

Hiding your web server behind proxy

In one of my previous blog postsĀ I mentioned hiding your server behind proxy to protect yourself from long downtime. Since some of you wanted more information, I figured I should write about it. This will still only scratch the surface of it and you should do some additional reading if you want to get a …

Internet paranoid handbook

Knowing that internet is not all cute and cuddly and that the line between real and virtual sometimes gets kind of blurry, it is important to think a bit before acting, and possibly save you from getting in trouble. What I meant by “blurry line between real world and virtual one”Ā  is that what happens …

Jailkit, mini_sendmail and custom HELO

To be sure that a server stays safe in case when one site is compromised, I try to lock every single site in its own chroot jail. To make it a bit easier I use Jailkit. Since you probably don’t want to set up sendmail for each chroot, you could use mini_sendmail. It will work …