Upgrade from Ubuntu 13.04 to 13.10 causes blank screen after login

Setup is NVIDIA gfx card with NVIDIA drivers. As I have upgraded from Ubuntu 13.04 to 13.10, that is from 3.8 kernel to 3.11 kernel I have found nasty glitch which took me almost 5 hours to figure out and fix. (more...)

Linux CPU load - htop load averages

I will present some nice tools which can help you define and locate the source of congestion and that high CPU load. I will also explain the htop load averages, why they are there, what can you do with them and what I think are best limits to base your reactions on. (more...)

Surf web through ssh using Surf browser

When you can connect to your remote server using ssh and you would like to change some router settings or just browse the web with different IP, you will hit a great obstacle. In terminal you can only use text-browsers like lynx. (more...)

Undelete files from ext3 or ext4 Linux command line

It happens to everybody. You are moving, copying, arranging files and in command line you just write that pesky rm -f and lose half of what you did not even want to. Then you start thinking about that early computer class where they told you nothing on disk is really lost, but it is just put -out of reach-. (more...)