Some usefull IT tips

I was looking for a solution, how to convert raw to dv2 avi, and finally man dvgrab helped me!

Solution is quite fast and simple:
cat source.dv | dvgrab –stdin –autosplit –opendml –timestamp –format dv2 dv2source.avi

I tried to run dvdrip on my 64bit Kubuntu machine - to rip one of my home dvd videos, unfortunatelly without success, BUT instead of dvdrip you can use acidrip - it works OK

“Xgl is an X server architecture, started by David Reveman, layered on top of OpenGL via glitz. It takes advantage of modern graphics cards via their OpenGL drivers, supporting hardware acceleration of all X, OpenGL and XVideo applications and graphical effects by a compositing window manager such as Compiz. As of May 2006, the Xgl […]

Very simple HowTo - how to log into remote machine using keys.
Generate keys on local machine:
ssh-keygen -b 1024 -t dsa
copy ~.ssh/id_dsa.pub content into ~.ssh/authorized_keys file on the remote machine you plan to log in without typing password again and again. To do it:
Copy id_dsa.pub file using your favourite ftp software
than simply type on the remote […]

Task: check CPU(s) information
Solution: using command line (for example bash) type:
cat /proc/cpuinfo

Sample output (for 4 Intel Xeon machine):

1.1. Basics on the Athlon Power Saving Mode
The HLT signal which is used by the normal idle-loop of the Linux kernel doesn’t normaly bring any significant power-saving on processors of the Athlon/Duron family (hereafter referred to as Athlon processors). To get real power-saving on an Athlon processor, you have to put the processor in the […]

[description taken from ubuntuforums.org but might be usefull for all Linux distros]
Some people have problems using mailto links with Thunderbird. To fix the “choose user profile” problem, follow this howto.

THUNDERBIRD: Open with firefox an URL contained in an email

Open Nautilus and type this in the address bar: ~/.thunderbird (if that doesn’t work, try ~/.mozilla-thunderbird)
Go your […]

How to get rid off all bad Windows line endings?
it’s simple, for example to convert all *.php files in directory write:

for x in *.php; do dos2unix $x; done