Connect laptop to a lcd tv using a hdmi cable

Bypass Screen lock on Xorg-1.11 Debian

http://digitalpbk.com/debian/xorg-1.11-screen-lock-bypass Bypass Screen lock on Xorg-1.11 Debian This is a scary bug in Xorg-1.11 in which by pressing a certain key combination the screen locking process is killed. I.e, you can by pass the password authentication used in lock screens. This bug is found in version 1.11 of X-org. The entire process is killed and you cannot lock the screen again with the Ctrl + Alt + L combination. What is the combination? Press Ctrl + Alt + * (Multiplication key) This version is used in Debian and could be reproduced ...

Fun with UNICODE and Mirroring Character

http://digitalpbk.blogspot.com/2006/11/fun-with-unicode-and-mirroring.html Fun with UNICODE and Mirroring Character What is UNICODE?Everything you see on your computer is represented by 0's and 1's. Characters are also encoded in the form of 0's and 1's. In this method each character is represented by a number. A common method of encoding is called ASCII (American Standard for Information Interchange). In this method each character is represented by 8 bits. Therefore 256 different characters can be represented using this method. But 256 characters ...

ARP Spoofing or IP Masquerade

http://digitalpbk.blogspot.com/2009/02/arp-spoofin-ip-masquerade.html ARP Spoofing or IP Masquerade What is IP Masquerade or ARP Spoofing?In order to understand, What IP Masquerading or ARP Spoofing is we need to look into the working of the Ethernet. Ethernet is a Data Link Layer protocol, which uses MAC addresses embedded in the network interface cards (NICs) to communicate between devices. But the network layer and the above layer communicates using IP addresses. So in order to communicate, there must be some mechanism to map the IP addresses in network layer ...

Windows Registry : Something you must know

http://digitalpbk.blogspot.com/2007/03/windows-registry-something-you-must.html Windows Registry : Something you must know IntroWhats this all about ? Registry is the place where most windows programs store some data associated with that program. Moreover, registry is used by windows to store much of the configuration information, file associations, start up programs, etc ...The registry is mainly divided into 5 sections HKEY_CLASSES_ROOTHKEY_CURRENT_USER : Current User Preferences.HKEY_LOCAL_MACHINE (HKLM): Global Preferences.HKEY_USERSHKEY_CURRENT_CONFIG : Current System ...

Virtual Hosts on Apache 2.2.6 [Windows]

http://digitalpbk.blogspot.com/2007/12/virtual-hosts-apache-226-windows.html # use only name-based virtual hosts so the server doesn't need to worry about# IP addresses. This is indicated by the asterisks in the directives below.## Please see the documentation at # # for further details before you try to setup virtual hosts.## You may use the command line option '-S' to verify your virtual host# configuration.## Use name-based virtual hosting.#NameVirtualHost *:80## VirtualHost example:# Almost any Apache directive may go into a VirtualHost container.# The first ...

Custom extenstion for a Server Script

http://digitalpbk.blogspot.com/2007/05/custom-extenstion-for-server-script.html Custom extenstion for a Server Script IntroPHP files have a ".PHP" extension and is by default the extension used to run php scripts. Thats ordinary. Now it would be cool if we could name another extension (say .do or .html) for a PHP script and get the same output. This is precisely what the following is about.In order to map a particular extension to a particular application, apache uses handlers. Basically you can define an extension and add the corresponding handler. This can ...

My First useful PERL program

http://digitalpbk.blogspot.com/2007/05/my-first-useful-perl-program.html My First useful PERL program #!/usr/bin/perl -w$username = $ARGV[0];$username = "s28arunpbk" if(!$username); ## Get the username from the first command line argument# If null assign my user id.#use LWP;use LWP::UserAgent;## Initialize objects#$ua = LWP::UserAgent->new;$ua->agent("Checkmap/1.0");my $req=HTTP::Request->new(GET => "http://sitemeter.com/?a=stats&s;=$username&r;=0");my $res = $ua->request($req);## Send a request and grab ...

Making Sony Ericsson Mobile Themes

http://digitalpbk.blogspot.com/2007/04/making-sony-ericsson-mobile-themes.html Making Sony Ericsson Mobile Themes IntroSony Ericsson mobile themes (.thm files) is simply a collection of a lot of images and an xml file that specifies the colour codes. Take a theme file rename it to .tar (use archive manager on linux or any standard compresssing utility) and unzip it using any standard unzipping utility. Just play with the files and images and you can make your self a new theme. Be it for W550i, W800i, W880i, K310i, K750i, K700i, etc ... Re-zip the contents and rename ...

XSS on GrazeIt.com

http://digitalpbk.blogspot.com/2007/01/xss-on-grazeitcom.html XSS on GrazeIt.com Recently while grazing over the net, I found this site grazeit.com. This is a site which keeps a database of good websites found on the net by netizens. But there is an XSS hole (Cross site scripting ) on the site which allow users to redirect the page to any desired location.Of course this hack does not work on the secure browser Mozilla Firefox. If you are not using Firefox, download for free (The link is given bottom right).Probably you arrived at this page from grazeit ...

Detect in form_alter if the node submitted is added or edited

http://digitalpbk.com/drupal/detect-drupal-form-add-edit-created-formalter Detect in form_alter if the node submitted is added or edited When you want to alter a form on Drupal, it is useful to detect if the form being submitted is to add a new node or edit an existing node. To detect if a form is being added or submitted, check the $form[]['nid']['#value']. Example : $form['book']['nid']['#value']. If the value is "new", the node is being added. If the value is numeric, the node with nid as the number is being ...