This article is got from the excellent one from [ClickMinded]. All links/refenreces are kept as it is. This SEO checklist covers the top 30 things you should consider when it comes to getting a new site live and into the search index. It has been updated for 2013. It uses a simple script to tally…
A common question when allowing your website to be available on Internet is “How do I configure the Internet Protocol version 4 (IPv4) properties of a network connection with a static IP address for servers running Linux operating systems?”. This article will show how to do it. Log on as root, change directory to /etc/sysconfig/network-scripts…
Introduction Memcache is a Free & open source, high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load. Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from results of database calls, API calls, or page rendering….
Xdebug is a PHP extension created by Derick Rethans, one of the PHP core developers. Webgrind is an Xdebug profiling web frontend in PHP5. It implements a subset of the features of kcachegrind and installs in seconds and works on all platforms. For quick’n’dirty optimizations it does the job. This article will show how to install XDebug and WebGrind into your…
This article was original written by By Eli White and was published at http://www.oracle.com/technetwork/articles/dsl/white-php-part2-355138.html. This includes tips for scaling your PHP-MySQL Web app based on real-world experiences at Digg, TripAdvisor, and other high-traffic sites. In Part 1 of this article, I explained the basic steps to move your application from a single server to a scalable solution for both PHP andMySQL….
This article was original written by By Eli White and was published at http://www.oracle.com/technetwork/articles/dsl/white-php-part1-355135.html. This includes tips for scaling your PHP-MySQL Web app based on real-world experiences at Digg, TripAdvisor, and other high-traffic sites. Creating a Web application – actually writing the core code – is often the initial focus of a project. It’s fun, it’s exciting, and…
This tutorial show how to increase partition size in Linux after increasing the disk space in VM with Citrix XenServer. Basically, there are some steps that we must do some steps in Linux to let Linux “aware” of this change. Scripts: [root@webserver search]# fdisk /dev/xvda WARNING: DOS-compatible mode is deprecated. It’s strongly recommended to switch…
The first part of this article is copied from http://www.if-not-true-then-false.com/2010/install-mongodb-on-fedora-centos-red-hat-rhel/ since we will not reinvent the wheels 🙂 What is MongoDB? MongoDB (from “humongous”) is a scalable, high-performance, open source, schema-free, document-oriented database. Written in C++. MongoDB bridges the gap between key-value stores (which are fast and highly scalable) and traditional RDBMS systems (which provide structured schemas…
There are some case we need to select random records in mysql. The normal way I did see many developers have used is ORDER BY RAND(). But they might not recognize that if the number of records increase, the query is extremely slow due to the fact that it must use filesort for the random…
This article describe an example of using MySQL as a NoSQL in which the application can exceed 750,000 qps on a commodity server. This is originated from http://yoshinorimatsunobu.blogspot.com/2010/10/using-mysql-as-nosql-story-for.html UPDATE: Oracle officially released memcached daemon plugin that talks with InnoDB. I’m glad to see that NoSQL+MySQL has become an official solution. It’s still preview release but will be very promising….