Jesin's Blog

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How to make undeletable files and directories in Linux

Linux 6 Comments

A very useful Linux tip on how to make files and directories undeletable even by the root user. You can apply this tip on all important configuration files so that no one accidentally or intentionally deletes it. To achieve this the chattr (Change Attribute) command is used it Linux. The chattr command “immunizes” the file not only from deletion but also modification. The chattr command does care about chmod values, even if a file has 777 permissions immunizing the file will prevent it from being deleted or modified.Continue Reading…

PHP Pie Chart Script

PHP 5 Comments

A PHP Pie Chart script created by me using which any data and values can be represented using the pie chart. The PHP Pie Chart script is available for free download. By passing a query string you can compare any number of values. What follows is how to use my PHP Pie Chart Script and the code to download. The PHP Pie Chart script uses the following PHP image functions ImageCreate(), ImageColorAllocate(), imagefilledrectangle(), ImageFilledArc(), imagettftext(), ImagePNG() and ImageDestroy(). To edit the code you need to know how to use these functions.Continue Reading…

W3 Total Cache Remove Footer

PHP 10 Comments

The W3 Total Cache is a caching plugin for wordpress which improves the performance of your wordpress blog. When this plugin is activated it inserts a HTML comment into your code which looks like this

<!-- Performance optimized by W3 Total Cache. Learn more: http://www.w3-edge.com/wordpress-plugins/

Minified using disk
Page Caching using disk (enhanced)
Database Caching using disk

Served from: www.example.com @ 2011-07-04 06:59:27 -->

If you wish to remove W3 Total Cache Footer follow my instructions.Continue Reading…

Setup Google Apps

Domains Leave a Comment

Google Apps is a service provided by Google using which you can create an email account with your own domain name. The advantage is the email service is powered by GMail which gives you features like 8GB inbox and the ability to chat with other GMail fellow mates. Whats more all other services provided by Google are also available for your domain. Take Google Docs for example, using Gogole Apps you can share documents within the users of your domain. On the free version of Google Apps you can create upto 50 users. In this tutorial I’ll show you how to setup Google Apps for your domain. For setting up Windows Live Domains see that article.Continue Reading…

CSS Tableless Design Tutorial

Web Design 3 Comments

This tutorial teaches you how to create your website neatly sans tables. All along people used tables to create column layouts and templates for their websites because they shied away from learning CSS and <div>s. If you thought creating web pages with divs are difficult you are about to change your mind after reading this tutorial, because HTML tables have many problems which can be overcome using divs. Take an example of changing the size of a column while using <table> tag, expanding a column also expands the column next to it. Of course you can use colspan and rowspan attributes to correct this to an extent but that makes it cumbersome and eats up precious bytes. With tableless design in CSS you can overcome all these problems and have complete control over your design, whats more search engines also start liking your website.Continue Reading…

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