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Archive for the ‘How To’ Category

I like to watch my movie collections more than one time. Or sometimes I like to watch certain scenes in few movies. The problem is sometimes my DVD disc is scratched and I have to buy it again. So, I decide to convert all my DVD to ISO file, so I can watch anytime, any selection scenes, easier and without worry have the same problem again. If my DVD disc is broken and I want to play it using my DVD player, I still can burn it.

Yes, you may say the file size will be too big, 3.3GB to 4.4GB per movie, meanwhile you can convert it and get smaller file size. But, you will get lower quality graphic, you can’t choose the language and you can’t burn it again.

It will consume a lot of hard disc space but with 1 TB or 2TB hard disc capacity available at the market, you can back up any movie that you want.

I choose ‘Brasero‘ because it’s very easy to use.

Open your ‘Brasero’ application. If you don’t have it you can install it using ‘$sudo apt-get install brasero‘ in your Linux terminal with Internet connection.

Enter your DVD disc, wait until it occur on your desktop then click ‘Disc copy’ button.
Then select to ‘write to image file‘.

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What is Airodump-ng and Aireplay-ng?

If you are familiar in wireless hacking then I believe that these both tools are your best friends.

For the one who are still new in hacking, Airodump-ng is wireless packet capture, simple but very powerfull. It will capture raw 802.11 frames. Airodump-ng writes out a text file about the details of all access points and clients seen.

Aireplay-ng is a tool for injecting packet into a wireless network to generate traffic.

I will not explain how to use these tools in here, but how to install it in Ubuntu Lucidlynx.

If you are still using the previous Ubuntu version, you still can apply the same methods.

Can I install using ‘apt-get install’ command in LucidLynx terminal?
You can’t.

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I don’t know it’s a bug or not but ‘Error While expunging folder‘ error message in Evolution is very annoying. You can’t empty your Trash bin mean if you don’t solve your evolution local database will become bigger and bigger. There are few solutions you can get from the Internet.

I wrote this article for easier solution with very clear instructions.

As you can see from the below picture, at the bottom screen, this error suddenly occur when I tried to empty my Evolution trash (File > Empty Trash).

Now, I will show you how to fix this problem.
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Skype for Ubuntu Karmic is still not available when I write this article but you still can use Skype 2.1 Beta 2 for Linux for (Ubuntu 8.10/ intrepid) installer to run skype in your Karmic.

First download the skype installer.

Go to: http://www.skype.com/intl/en/get-skype/on-your-computer/linux/.

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RAR (Roshal Archive) is one of well known archive file format available in compress technology. It’s developed by Eugene Roshal (Russian Software Engineer). Free version which only can read (extract) in Linux are PeaZip and unrar. The shareware version also available in Linux.

Although RARLAB distribute the source code and binaries (not under free software license), it’s only can extract not create the RAR archive. I think that’s the reason why ‘rar’ is not popular in Linux community.

To extract ‘rar’ file in Linux Ubuntu you need additional program.
Before you follow the instruction below, make sure you are connected to the internet.

First, open Linux Terminal (Applications > Accessories > Terminal) and type $sudo apt-get install unrar.

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Airodump-ng is one of favorite tools in hacking wireless network. When I upgrade my ubuntu from Gutsy to Intrepid, I can’t run this application anymore. It’s not application error because I can run it in Gutsy version before. My wireless card chip set is ‘ipw3945′.

The error message is a bit complicated as you see below.

_________________________________________

ioctl(SIOCSIWMODE) failed: Device or resource busy

ARP linktype is set to 1 (Ethernet) – expected ARPHRD_IEEE80211,

ARPHRD_IEEE80211_FULL or ARPHRD_IEEE80211_PRISM instead. Make

sure RFMON is enabled: run ‘airmon-ng start wlan0 <#>’

Sysfs injection support was not found either.

_________________________________________

Mean that if you want your airodump-ng run, you will need to try to fix the bolds problems above. Your problem may be one of it but in my case not even one of the error message.

Try to figure out the answer quite some times which is actually is very simple.

It’s only change the ipw3945 chip set mode from ‘Managed‘ to ‘monitor‘.

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Youtube is one of the biggest video source that available in the internet. The problem is youtube doesn’t allow us to download their videos directly from their website. There are many free youtube downloaders you can download from the internet. But, now, I will show you how to download the youtube videos without using any software.

The trick is, using free online downloader. There few websites provide this service. One of it is, ‘Download youtube videos‘ and it’s my favorite. It’s very easy to use. The only problem is sometimes a pop up adult pages come out at the first time you open the page.


Step 1. Open youtube website and select a video that you want to download.
Select the web page address of the youtube video and copy it. To copy it’s very easy, just block the address link, press right mouse button and select ‘copy’.


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