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LaTex quick start tutorial on Ubuntu

To get started with LaTex quickly I googled a bit and quickly found a cross-platform editor I am very happy with – TexMaker.

You can install it by issuing:

sudo apt-get install texmaker

The interface is very intuitive. Among the editor’s features are code completion, spell-checker (although I didn’t succed at configuring it), wizards with document templates… You can find the user manual and a decent LaTex reference under Help. You can see what it looks like in this screenshot:

LaTex editing in TexMaker

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WEP cracking

You need the following packages installed:

aircrack-ng

(from Synaptic or from terminal “sudo apt-get install aricrack-ng”)

Next I will give you the terminal commands – you just have to change the parts so that they reflect your situation (for example mac addresses, interfaces etc.).

The recipe

Start airmon on your wireless interface (“ip -d addr” might help if you’re not sure):

airmon-ng start wlan0

Monitoring traffic (enter number from 0 on instead of – sometimes you’ll have to backtrack here to change the channel):

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List of update and software sites in Eclipse

If you installed Eclipse from the Ubuntu repositories, your software sites list might be emty. In that case, Eclipse won’t update itself and you won’t be able to install new software.

Here is a way you can fix this. Go to help->install new software->click on the blue hyperlink “Available software sites”

Now either import the bookmarks.xml with this as contents or do it manually.

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Num pad doesn’t work in Ubuntu

When I installed Ubuntu 9.10, my num pad stopped working as it used to – it moved the mouse instead of inputing numbers. Pressing num lock didn’t help either.

Anyway I found the solution quickly on Ubuntu forums:
http://ubuntuforums.org/showthread.php?t=514554

It appears it’s some accessibility feature. I probably pressed some key combo that turned it on.