Recently we are concentrating on tutorials a lot. Results: Top 10 Tutorials to Develop iPhone Apps and Top 10 Nginx Tutorial to help you out. This time I decided to pick a web technology, Ajax. In the recent years, there has been a greater thrust on developing rich Internet applications. The web developers are driven to newer technologies that could enrich users experience. With technologies such as Microsoft Silverlight, Adobe Flash and Flex, Web is as appealing as never before. Ajax(asynchronous JavaScript and XML) is one such popular technology used in different ways on the world wide web. It's one of the first choices building faster and responsive user interface. Ajax, which consists of HTML, JavaScript™ technology, DHTML, and DOM, is an outstanding approach that helps you transform clunky Web interfaces into interactive Ajax applications. Learning Ajax is not a piece of cake. Having said that, I must add there are simple and comprehensive tutorial that can be of immense help for learning Ajax. To help out the aspiring Ajax developers, I picked the top 10 Ajax tutorial. Each of these tutorials would help you grow your expertize on Ajax.
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Nginx is a free open source web server, reverse proxy and IMAP/POP3 proxy server. Nginx has grown into a feasible alternative for the much hyped Apache. It has grown over Apache with terms of low memory footprint and stability. Moreover, Nginx is gaining mommentum as an efficient and perfect for host for WordPress. It's simple configuration, rich features, minimal resource consumption and capability to avoid memory leak over time has made it a substitute for Apache. There are millions of site using Nginx and there is a large chunk considering a move to take advantage of this high performance HTTP server.

In most cases, the newbies are in the blue on the way they can make it work for them. Well, my bona fide idea would be the tutorials that provides you the step by step method to install and use the server. For this I created the list of top 10 Nginx tutorial for all who'd love to learn on Nginx.

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One of the frequently complained problems while using nginx or lighttpd, two popular and rapidly growing web servers which are faster and lighter alternatives to big daddy Apache web server, with php (through fastcgi interface) is that the pool of php-cgi which ultimately serves the php pages seems to hang frequently and without any apparent reasons. This is also the reason you will see the most common error on nginx website is the dreaded 503 - Gateway Time out. These errors seems to happen without much pattern and it took us some time to find the cause and fix it. In this article we will not only show you how to get rid of this error but also to enable pre-defined QoS with different PHP based services so that even if one pool of fast-cgi servers go down, the others continue to operate unaffected. In short if you have a popular website or blog running on nginx or lighttpd, then you should read it. Please mention it in your favorite social bookmarking service and digg it so others can see it too.

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Everyone and their dog talks about WordPress performance these days and also tells you how to scale WordPress (Read: How to really scale WordPress). When I grew up in Kharagpur (yes, the same Kharagpur which has the top IIT and yes I did my B.Tech there) everyone knew how to cure diabetes - you have to walk a lot, stop eating sweets, eat / drink varying concoction of Neem leaves and / or Nayantara leaves and / or Jamun fruit or seed and presto you are cured of diabetes. It works to some extent in uncomplicated cases and so does the various remedies for WordPress performance. Let's see what are the often repeated "expert" advice for making WordPress perform (because by default WordPress performance is really really crappy; pardon my French):

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As you may be aware, if you are following my tweets, that we are testing a highly scalable WordPress delivery platform, which can serve over 10000 requests per second from a single server and handle over 20000 concurrent requests without failure. Sounds amazing? then read on…

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Wordpress is the leading blogging software for pro-bloggers as well as amateur bloggers around the world. So, be it latest news (Wordpress 2.7) or tweaks, we cover it. The Achilles heel of WordPress is its security, which they try to continuously address by frequent patches after every major release similar to Microsoft Windows. If you are a Wordpress user, you must be very concerned with security issues and for good reasons. In this world of growing intrusions, hacking, cracking and data-thefts, security is of major concern for a starter as well as for a pro. Here are 20 Plugins and tips for you to help you get a good sleep at night assuring you that your blog is in safe hands (read WordPress security plug-ins).

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Have you *ever* received genuine Russian comments on English blogs?

I receive many many of Russian comments everyday. Previously I used to translate them because my blog is multi-lingual and Russian is one of the 32 languages this blog is available, thanks to automated. Down the road, I realized that I never got a single genuine Russian comment on my blog even though I received many genuine comments in Spanish, Portuguese, Italian etc.

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I know most of you would be outraged at such a question. However just for a moment take a look at the biodata of a jehadi who worked as a senior software engineer / architect at Yahoo. He is a capable technologist, has deep understanding of Linux, Unix & nginx, httpd and other technologies. He is a must hire at most companies he will apply to. However the situation changes drastically if you knew he was a hardcore jehadi and responsible for mass-murder / terrorist attacks.

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By now all of are aware how Mansoor Peerbhoy has masterminded the terrorist attacks in India, that he showed no remorse in killing non-muslims and doesn't care about the consequences, you are also aware how he was a senior software engineer working at Yahoo / Zimbra and earning an impressive salary by Indian standards. You also heard that he was very tech savvy and an nginx (a faster and apparently better alternative to Apache web server or even lighttpd web server) expert. Just how tech savvy was he? Full article (303 words) »

nginx [engine x] is a high quality, light footprint (much ligher than Apache HTTPD), high performance HTTP server and mail proxy server written by Igor Sysoev. nginx is distributed under BSD license unlike its competitor Lighttpd. We are progressively transferring our sites over to nginx. Today when I had to restart the server, I realized (after few hours) with horror that we had forgot to add the script to start nginx automatically after reboot. When you want any command to execute everytime after a reboot you should add it to /etc/rc.local. The commands in rc.local are executed *after* all the other init scripts. To automatically start nginx as well as fastcgi on reboot you should add the following lines to /etc/rc.local at the end -

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