What is responsive design

Responsive Design is a new trend in Web Design. It was started by Ethan Marcotte. Responsive Design is the design of websites that work well when viewed on a wide range of devices. For example a responsive website will look good on Iphone, Ipad, Tablets, Laptops and Desktops.

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Finding CPU usage using top command

The top command can be used in combination with bash tools to find CPU usage. The article: Finding CPU usage from top command describes how to find CPU usage using the top command.

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Monitoring RAM usage on server

The RAM on a server can be monitored using /proc/meminfo and awk commands. /proc/ is a special file system created by the Linux kernel which contains kernel related information such as CPU and memory usage. /proc/meminfo contains information about memory usage.

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Configuring Apache to process html files as php

To allow Apache web server, to process files ending with .html as PHP files, we need to do two things. First we need to set the content-type http header for .html files to text/html. Secondly, we need to tell the Apache web server to process HTML files as PHP files.

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Fetching PTR DNS records using Reverse DNS

Reverse DNS or RDNS is the process of fetching the host name for a given IP address. Reverse DNS works similarly to forward DNS.

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