Running GUI applications over SSH

If you want to execute a GUI based application on the remote server through SSH, you can achieve it quite easily using the ssh command. Just type ssh -X username@server The -X flag is used to define the DISPLAY environmental variable on the remote host, so each X11 executed application will be forwarded to your machine.

August 19, 2011 · 1 min

Kdenlive -- cannot render in Xvid, H.264, MPEG-4, etc.

It’s at least the third time I try to find a solution for the unavailable codecs proclem during rendering video project in Kdenlive. This time, I’ll write it down and link to this great site to make sure I’ll be able to easily find it next time ;-) The process is quite simple (I’m using Ubuntu 10.10 x86) – just install all the codecs in their full versions: sudo apt-get install libavcodec-unstripped-52 libavdevice-unstripped-52 libavformat-unstripped-52 libpostproc-unstripped-51 libswscale-unstripped-0 and execute the KDEnlive wizard (Settings menu)....

April 1, 2011 · 1 min

System-wide SOCKS Proxy

Sometimes, there is a need to use SOCKS Proxy for connection even if an application itself isn’t providing such feature. If you’re working on Windows you can use FreeCap which allows you to put your applications into FreeCap “sandbox”. Every time you run app from this “sandbox” it is sent through the SOCKS proxy you set as an configuration option. Update: Recently I’ve heard that it is somewhat impossible to execute this application on Windows 7....

December 23, 2010 · 1 min

Quick way to create iptables rules

I like to keep my system clean and secured. Unfortunately, the GUI interface for iptables isn’t really matching my expectations. So I would like to create simple bash script which will execute iptables rules with every system boot-up. By default it blocks all incoming AND outgoing traffic also, so be careful :-) If you want to open another port – you just need to add it to the INPUT_OUTPUT list. Take a look at the source of the script:...

March 20, 2009 · 2 min