Archive for June, 2010

Basics of the Internet

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Basics of the Internet

By Pocholo Peralta

The Internet in its earlier decades was simple and easy to use. But as years go by, it becomes more complex and very fast. After using the Net for more than four years, I got inspired to review its basics because I seem to have forgotten it! Let’s get back to Internet basics and basic components.

The most prominent component of the Internet model is the Internet Protocol (IP) which provides addressing systems (IP addresses) for computers on the Internet. It enables internetworking and essentially establishes the Internet itself. But one of the cause of Internet connection problems is the exhaustion of IPv4 (IP version 4) because of the explosive growth of the Internet. Now we wouldn’t be in the basics anymore if we continue so…

Connecting to the Internet

Broadband – Most users prefer this connection because it’s the fastest and most stable. But you can only use this on a fixed location.

WiFi or Wireless – As opposed to broadband, you can use this connection where ever you are, ergo wireless.

Programs and Applications

Before you can do something with your computer, you must have programs and applications. When you buy a new computer, there are already installed programs that would let you add more.

Browsers

Browsers are the doors to the Net. Our connection to the Internet is useless without them. In order for us to browse or ‘surf’ the Internet and connect to other websites, we need to use browsers. Examples of Browsers:

Google Chrome

Ubuntu

Firefox

Opera

Safari

Explorer

Networking

The main reason for connecting to the Net is networking which is sharing of resources and information among computers and devices connected to the network. By networking, users can communicate efficiently and easily via e-mail, instant messaging, chat rooms, telephony, video telephone calls, and videoconferencing.

Social Networking is mainly done for leisure. By using programs and applications, people can join a social network and exchange messages and pictures. The most popular social network sites are Facebook and Twitter. Serious working people see social networks as time wasters.

Internet Safety and Security

Many new computer users don’t realize that maintaining their gadgets isn’t a simple task and fail to maintain the safety and security of their computers, either unintentionally or by recklessness, until one day, their computer ‘crashes’ and find out that their gadget wouldn’t work anymore.

Tasks for maintenance and safety:

Updating Operating System

Updating Browsers

Updating Antivirus, Antimalware, Antispyware

Using link scanners that check if the site we plan to visit is safe

Deleting suspicious ‘flash cookies’

Doing all these tasks regularly

(And I’m not sure yet if these tasks are complete!)

We can update any of these automatically but sometimes for some reason, it stops working. So another task is checking for updates.

Things that could happen if we ignore safety:

Malfunction of your computer

Malware, spyware, or virus infection which could stop or ruin our computers

Identity theft which could lead to stolen bank accounts -This is the most dangerous and most popular among computer criminals

Hijacking of your personal weblogs, email account, or sites

I hope I have convinced us all that Internet security is a must. Some techies believe that we have to be paranoid about our internet safety to be really safe.

See more of Poch Peralta’s posts and pages on Plato on-line at www.pochp.wordpress.com

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Finding the Right PHP Developer

By Josek Morin

Web development is an important part of business marketing today. Not only do you need efficient programs and applications to take care of your business operations and management, but there are a huge number of other factors that make developing the right web application an important factor to consider for almost any business.

There are a good number of programming platforms and languages that developers use today to provide businesses and consumers the right web applications to help them with their requirements. PHP is one such programming language that has gained a huge popularity over time, and that too quite rightfully.

Apart from offering a completely free platform for web development (with Linux and MySQL), the work of a PHP developer is much simpler than most others, and hence offers your business an inexpensive, yet effective solution.

However there are a number of factors that you must consider while looking to hire PHP programmers for your web development requirements.

Some Useful Tips to Hire PHP Developers

1. Make sure you work with an individual PHP developer or business that has the right skills and experience, and are in constant touch with PHP development projects.

2. Look for professionals who have had adequate PHP training and recognized certification

3. Ensure the delivery time is something that will suit your requirements

4. Communication is of the utmost importance. You should be able to deal with the PHP developers efficiently using a project management tool and contact them easily as and when required

5. Look through the portfolio and contact some of the ex-clients to get a clear idea as to how efficient their services have been before you deicide to hire PHP programmers

Moreover, ensure the business or the PHP professional you have decided to deal with are capable of:

1. Offering you the right services related to web integration and maintenance, as well as further development

2. Demonstrating clear concepts regarding the right design etiquette

3. Planning towards efficient resource management

4. Possessing knowledge on associated software (like CMS) and multimedia

5. Offering you the most competitive price plans with the maximum reliability

There are a number of points where PHP excels over the other available programming platforms, apart from the most obvious price factor. For example, a Linux server is very stable and offers a much faster system than a Windows server would.

At the same time, mySQL databases are much lighter than the most popular RDBMS software, and yet offer almost all the features necessary for a web application to perform in the best possible way. MySQL too is freely available for you to use towards your web development needs.

In order to lay your hands on all these benefits associated with a PHP development environment, it is very important that you only hire PHP developers who can show you the right level of expertise and results for the money you spend on them.

Bear these above mentioned points on your mind when you decide to look for PHP developers for your business web application development requirements if you want the best results at the end of the day!

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Cygwin on Windows – The Best of Both Worlds

By John Paige

Running Cygwin under Windows XP

Among that small but vocal minority that really care about such things, the argument goes on. Which is better, linux or windows? They both have advantages and strengths so why not use both of them? One suggestion is to shrink the windows partition and create a new linux partition. Then a linux operating system, maybe Ubuntu or Debian, is installed in the new partition. You then have what is referred to as a dual boot system. Either windows or linux is selected at startup. The idea of messing with the main drive can be a little bit scary. There is an easier and less radical solution. Let me introduce Cygwin.

Q. What is Cygwin?

A. Cygwin is a linux like environment that runs on windows.

Q. Why would I want to use Cygwin?

A. There are many applications available in linux that are not available in windows. Also, many of the commercial windows applications have corresponding linux versions that are free.

Q. Is it difficult to install Cygwin?

A. No. Go to the Cygwin site, download the setup program, and with a few clicks it is ready to go.

Q. Why would I want to use something that looks like windows command line dos?

A. Many users feel that linux is cleaner, more powerful, and faster. Also, if you are building your own site, you will probably be on a linux server. Cygwin is a good place to get used to the features and commands.

Q. I have installed Cygwin but can’t find the feature I want to use. Where is it?

A. The initial setup of Cygwin installs a base system. Any time you want to add a new feature, just run setup again, use the search box to find the feature you want, select it, and install with a few mouse clicks.

Q. Is Cygwin linux?

A. No. To quote from the Cygwin site:

Cygwin is a Linux-like environment for Windows. It consists of two parts:

A DLL (cygwin1.dll) which acts as a Linux API emulation layer providing substantial Linux API functionality.

A collection of tools which provide Linux look and feel.

This is only a small overview of Cygwin. I hope that I have encouraged you to try it. I have used it for many things such as manipulation of PDF files, to telnet into my online sites’ files, and to try out things I found in my searches but couldn’t find a way to do it in windows or if the programs were available, they were too expensive. In some cases, just being made aware of the terminology led me to free windows applications.

John Paige is a writer, researcher, and student of how technology can be used to enhance the quality of life

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