Apache Virtual Host and Setting it up on Ubuntu Linux

The term Virtual Host refers to the practice of running more than one web site (such as www.company1.com and www.company2.com) on a single machine. Virtual hosts can be “IP-based“, meaning that you have an IP address for each web site, or “name-based“, meaning that you have more than one web site per IP address. The … Read more

Minimize Thunderbird and Pidgin to Tray

I love to use open source and free softwares. For email client, I use Mozilla Thunderbird and for instant messaging client, I use Pidgin. Mozilla Thunderbird is a free, open source, cross-platform e-mail and news client developed by the Mozilla Foundation. Pidgin (formerly named Gaim) is a multi-platform instant messaging client, based on a library … Read more

WAMP XAMPP: Localhost server not working

Problem: I am unable to start the localhost server (wamp / xampp). When I type http://localhost or http://127.0.0.1 in Firefox, I get the following error message:- Unable to connect Firefox can’t establish a connection to the server at localhost. When I type http://localhost or http://127.0.0.1 in Google Chrome, I get the following error message:- This … Read more

Sample valid credit card numbers for testing

Here is a list of sample/dummy/test credit card numbers, which are safe to use when you test credit card functionality on a website or application that involves credit card transactions. These credit card numbers validate properly but they are not actually in use. NOTE: Expiry or Expiration date can be any valid date of the … Read more

Disqus: Solution to Error ‘Closing Tag Mismatch’ in RSS Feed

Scenario: I am using wordpress for my blog. I have registered my blog in disqus.com. I just installed the ‘Disqus Comment System’ wordpress plugin in my blog. Now, when I try to access my blog’s RSS Feed, I get error saying “Closing Tag Mismatch” and the RSS Feed is not displayed properly. The feed crashes. … Read more

Free .np domain registration

NP domain registration service is provided by Mercantile Communications completely free of charge to people and company in Nepal. This article shows step-by-step procedure to register and host a free .np domain/website. Here is the step-by-step guide: 1) Go to domain registration website: http://register.mos.com.np 2) Check Domain Availability Note that, you should choose domain with … Read more