What Is Linux?

To understand about Linux web hosting, you need to understand what is Linux? In simple words, Linux is an operating system just like Windows 98, Windows XP or Windows Vista. You can do your daily computer task by installing Linux on your system.

History

Linux is a Unix like operating system. Linux was developed by Linus Torvalds in 1991. Torvald wanted to make a non-commercial replacement of Minix. Eventually, he came up with Linux kernel. A kernel is a core part of Linux operating system.

Free Source Code

Linux source code is freely available to everyone. Those who have slight idea about Linux always misunderstand things. Linux itself may not be free. The source code is free if you purchase any Linux distribution like RedHat or Ubuntu. Linux might cost you but you will get a source code free with Linux distribution. You are free to edit that source code as long as you follow the guidelines under GNU’s General Public License.

What You Will Get With Linux Web Hosting?

Now you know what Linux is. You need to understand what you will get with Linux hosting and how Linux hosting works.

LAMP software bundle is used in any company providing Linux web hosting. LAMP stands for Linux-Apache-MySQL-PHP/Perl/Python

Linux, you know, is an operating system. Apache is a web server. Like Linux, Apache is also an open source project. Apache is widely used web server. It’s not that Apache only runs on Linux. For Windows also, Apache is available. For serving HTML pages, web server is needed. Most Linux shared hosting uses Apache to server pages.

MySQL is a database. MySQL provides multi users access to many databases. For implementing an advance application, you need database access.

PHP/Perl/Python are programming language used for making very advance web application. Most of Linux web hosting supports PHP. Perl and Python are not supported by all web hosting providers. Only few web hosting providers support Perl and Python language.

Windows Hosting Vs Linux Hosting

When you want to host your web site, you might be confused about whether to choose Windows hosting or Linux hosting. There is not a major difference between Windows hosting and Linux hosting.

Windows is a property of Microsoft. If you are going to use any Microsoft applications like ASP.Net, Visual C++ or Frontpage, then it’s advisable that you use Windows hosting.

From performance point of view there is not much difference between Windows and Linux hosting. Linux systems are more stable and less vulnerable to security breach. So with Linux hosting, you can expect more up time. Linux system runs for long time without rebooting. Windows need frequent rebooting after upgrade.

Major difference comes in price. Linux hosting is cheaper than Windows hosting. So if you are looking for cheap and reliable web hosting with no special usage of any Microsoft application then you should choose Linux web hosting.

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It can be said that Unix is the OS that powered the beginning of the Internet era and due to his qualities is still used today. Linux OS was developed having Unix as starting point and this is how the two share many features. Today the Linux version of the Unix system is more common on web servers and this has to do with the higher licensing costs and with the rather specific hardware requirements for Unix. This is why we will continue with Linux only, but Unix is taken into account as well. Linux hosting has its strong points in fulfilling one’s requirements for a good web server and Web serving, file serving, mailing, and streaming are only a few. It proves itself is a very cost-effective choice from using hardware efficiently, and allowing an increased web sites per server ratio, this ultimately resulting in a decreasing the cost of hosting per account.

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Mastering C++ is a book written by K. R. Venugopal, T Ravishankar and Rajkumar. The book teaches the computer language C++ from the scratch to the professional level in a very friendly approach to the learning of the otherwise very difficult language.

First published in 1997, the book is recommended by most of the programmers. Basically written with C programmers in mind, this book caters to novices as well.

My brother advised me to read this book as I was desperately trying to learn the language but was unable to do so. At the first sight of the book, I thought,” This book can’t help anyone. This is just another book for engineers and is full of technical jargon.”

Almost two years later I learned ‘C’ language from the book “Let Us C” by Yashwant Kanetkar.
That book helped me clear the basic concepts of programming and get some technical jargon of computers, giving me the break I needed.

I learned the concepts of OOPs from the reference books of NIIT. After that, I was ready to learn C++ in detail. I started from chapter-one which helped me get acquainted with thinking in terms of OOPs. And the following chapters till chapter nine taught me the basics of C++ (non-OOPs) and from 10 to 19 the OOPs side of the language. Chapter 20 was based on the management of software projects.

So after learning it, I decided to write some programs and got disappointed because I could write only console based programs, as standard C++ does not specify the platform independent GUI programming.

Though Mastering C++ is good for learning, to gain expertise in language one must not rely on this book alone. Specialized books in the field of data structures, network programming, games development etc should also be read and kept as reference.

But as far as the question of the language is concerned, this book can be trusted as it teaches the language and its constructs in details. To become expert in any field the base should be firm. And this book does the job.

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But for those unfamiliar with computer security, they are completely unaware of the risks they may be exposing their computer to.

Without implementing a proper computer security solution, your computer may become infected with viruses, spyware, and/or ad ware. These are all forms of mail ware than can play a part in rendering a computer unusable, destroy valuable information your storing, provide complete control of a computer to another person, allow someone to steal the information on your computer, record your keystrokes and give a 3rd party access to your online bank account, allow someone to use your computer to attack a computer belonging to somebody else, etc.

And if you opted for a wireless network, you could be sharing out your Internet connection to your neighbors or that person who has been sitting outside your house in the car for the last few hours. What is more, you are increasing the risk of exposing your own computer to hackers as a result.

So What Are The Basics of Computer Security:

Make sure that the link between you and the Internet is safe.You need to have a hardware firewall installed between you and the Internet. Most recent devices that connect you to the Internet have one built in, but in any case you need to make sure that what you have is a state full firewall.It should give your computer full access to the Internet, but block all traffic trying to access your network when originated from the Internet side.

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Generally the safety glasses are made with the lenses that feature shatter-resistant. These lenses are made from different materials like plastic and other materials with impact resistance with the minimum thickness of 1mm. The level of protection can vary with the type of glass that you choose. These glasses are used in medicine, factory, and other places where it is necessary to protect eyes. Safety glasses are also especially available for welding purposes with darker lenses. safety vests are an other essential safety product with flame resistant feature. They are made from reflective material to provide ultimate visibility to ensure that the workers are on job. There are different colored safety vests available with varying features and protection aspect for the workers.

The first and utmost consideration needs to be the reliability of a potential Linux hosting provider. Don’t be tricked into buying a Linux hosting account that is cheap, if the Linux hosting provider doesn’t have a stable network. Fortunately, the research on hosting reliability has already been done for you. Netcraft is the premier voice in network reliability surveys. Every month, Netcraft publishes a list of the top 50 Linux host providers with the best network reliability based on their tests. In addition, Netcraft also ranks the top hosting providers based on their network performance, which brings us to our next consideration.

Network performance is just as important as network reliability when selecting a hosting provider. If your hosting provider has a slow network, or intermittent network performance issues, you are going to lose customers and visitors to your website. There is nothing more frustrating than trying to browse a slow website, when you have high speed Internet access. Before you choose your Linux host provider, be sure and run a few network performance benchmarks at some of the Linux provider’s websites. The biggest tool to use for this is to search for the provider on Netcraft’s website- they’ve done all of the benchmarks for you.

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It’s a free operating system available to download but you have to pay a tiny bit to mail order it or buy it from a company. Linux came into being about 11 years ago- it was developed by Linux Tornados of Finland along with a group of programmers from the open source software movement.

Linux is based on the commercial OS, UNIX. All the operating systems try to pack in command line management of systems. System administrators of companies use command lines all the times as their lifeline, but it’s not really meant for regulars users.

Tips for Home Users:

* If you want to get comfortable with Linux, you don’t have to let go of windows. Get Linux installed on a separate partition and you can switch between Windows and Linux. For new users who don’t have any computer background learning windows or Linux both takes same time and sitting.
* It is suggested that new PC buyers should get both operating systems installed and should use them equally. If you’re getting Linux for more than 2-3 PCs, you can also get training and support at a small free, if you choose to have it. Else it’s the Linux community on the Net to your rescue.
* You don’t have to be a great computer user to work with Linux. There are Desktop environments that let you work in Linux as you work in Windows. As you work with windows, same is the case with Linux.

Linux is better than other OS

Linux users won’t even bat an eyelid before they say an emphasis comes from a deep dislike of Microsoft’s practice of changing the earth for software. But a lot of it comes from the fact they are ready to swear upon-that Linux is more stable. According to a latest survey Web Hosts are using Linux Based Servers for hosting purposes.

One note here though: the free in Linux stands for freedom of choice, to redistribute, to install a feature, freedom to modify the source code. That’s the spirit of Linux being free.

Security:

Linux has a better security support for multi-users, lets you set up a stable server, internet gateways etc, and still lets it-self to be used as a desktop workstation. There are no blue screens and no viruses to speak of. It is rarely attacked by any viruses and there are very less number of viruses written for Linux. It can be given 10+ points on a 10 point scale for security.

Myths about Linux

Installation:

Linux is hard to install, isn’t it? Not really. Most people haven’t ever installed Windows on their computers either-since it comes preloaded. Linux is as easy-some say easier-to install compared to Windows. You can install it through a graphical user interface like Windows. These days Linux Versions are easier to install than Windows. But what really stumps most people in installing Linux on a second partition on their hard disk, when they want to be able to use both operating systems.

A partition is a way of organizing space on your hard disk by creating virtual sections that are separate from each other. Most computers that are running Windows or MS DOS have one large chunk of space holding the OS. This space is the C drive. If you have a large hard disk, it’s likely that it has been divided up into smaller bits called partitions to help you organize your data better. These partitions are usually called D:, E: etc. you could have Linux on any of these.

. Linux has many file systems-on the most popular is ext3. But you could have Linux installed on Fat32 partitions also.

Linux is very difficult and based on text command

Linux has come a long way from being the system of brilliant computer users. It has extremely advanced X Windows systems that have a complete graphical user interface-you know, like Windows. It also has a large number of window manager that let you work with different levels of customization of your desktop.

Linux has a robust character-cell interface where commands need to be typed in. x Windows is a free program that runs with Linux to provide a GUI where the mouse and keyboard can be used extensively. But the X system itself is quite primitive and needs a window manager, or a desktop environment- like GNOME or KDE- to be really usable. Window managers are programs that let you interact with the underlying X system and Linux OS by relaying commands. The popular window managers are Sawfish, Enlightenment, Black box, after step and Window maker.

As for desktop managers, they have their own window manager and other tools that make you feel that you are working in Window! GNOME and KDE are the most popular of these. GNOME stands for GNU Network Model Environment and KDE for K desktop Environment. They have tools that allow drag and drop, have panels and taskbar- almost like clones of windows.

Hardware compatibility problem and few applications that run on Linux

Well, most new distributions will detect and configure your hardware in a jiffy, unless you have some really old or exotic piece of hardware. All hardware are properly detected and their drivers installed. Only Win modems (internal modems driven by Window drivers) face problems.

As for software, there’s plenty. And most of it comes free-free for you to use, modify and configure according to your needs. Almost all excellent software for Linux is free and you don’t lose anything by giving it a try. You get free support on the Net quickly on any query you may have. And you don’t even have to wipe out your Windows. Just get Linux on a different hard disk partition and free to switch between them as you please.

Other packages are commercial and you have to buy the software-but this is mostly for the software and training you need, and not for the software itself. Sometimes, if you have the Windows version (as a doom) you can download a small program that will allow you to play the game in Linux. The games in Linux are of very high quality and features. You’ll enjoy them. Here what’s available?

Office suites: Star Office, Open Office, Applixware, Corel WordPerfect

Graphics: GIMP, Corel Photo paint

Music: XMMS, Free amp, Real Player

Video: MTV, Xine

Games: FreeCiv, Tux racer, Doom, Quake, Heretic, Unreal And the list is growing.

Linux varieties for Home Users:

If there are so many people working on it. There’s likely to be many Linux versions too. Many companies working on Linux have come up with what are called Linux distributions. There are Linux versions that are compiled and packaged and released with additional software.

RedHat: Probably the most popular and in many ways the leading version. It’s currently in version 9. The installation and configuration is easy. A blue curve file manager and the default GNOME desktop make it look simply stunning. It comes with a host of tools that allow usage as a server and as a workstation. The Red Hat Package Manger(RPM) format developed by Red Hat has almost become the defector for software distribution in Linux world. Installing new software is a breeze. It also has an advanced and easy font management system that makes fonts in X Windows look cool.

Mandrake: Mandrake Linux is now in its 10 version. It can be installed on a native Windows Partition using the Lin4Win tool, but this may slow the machine down. It also lets you do a traditional Linux install into its own dedicated partition. Mandrake’s configuration and software installation is painless. It follows a slightly modified RPM architecture called mdk.rpm but most Red Hat software can also be used for Mandrake. The outstanding feature in this version is the collection of window managers-eye-candy freaks will have a great time.

SUSE: From Germany comes the Chameleon, SUSE. Now in its 8.x avatar, it has one of the most extensive software packages compiled, and getting them installed is easy with yast (Yet another Software Tool) which gives a centralized interface from where you can pick and choose the software to be installed. Among other things, SUSE comes with some stunning 3D games that showcase Linux gamming prowess

Corel/Xandross: Corel entered the Linux market with Corel Linux a few years ago. Now it has merged into Xandross OS, which is based on Corel Linux. This is a Debian-type version, and can be installed without much fuss after resizing the Windows partition. Xandross contains Crossover office, which is a refined retail version of WINE that lets you install and run many Microsoft apps.

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There were some early attempts to unify concepts among methods. In 1996, the Object Management Group (OMG) issued a request for proposals for a standard approach to object-oriented modeling. The emergence of UML appears to be attractive to the general computing public because it consolidates the experiences of many authors.

UML was developed in an effort to simplify and consolidate the large number of object-oriented development methods that had emerged. The combines the commonly accepted concepts from many object-oriented methods, selecting a clear definition for each concept, as well as a notation and terminology. The  is seamless from requirements to deployment. The same set of concepts and notation can be used in different stages of development. It is not necessary to translate from one stage to another. This  is critical for iterative, incremental development.

The  is intended to model most application domains, including those involving systems that are large, complex, real-time or computation intensive. There may be specialized areas in which a special-purpose language is more useful, but  is intended to be as good as or better than any other general-purpose modeling language for most application areas.

The  is intended to be usable for systems implemented in various implementation languages and platforms, including programming languages, databases, 4GLs, and so on. The UML is a modeling language, not a description of a detailed development process. It is intended to be usable as the modeling language underlying most existing or new development processes, just as a general-purpose programming language can be used in many styles of programming. It is particularly intended to support the iterative, incremental style of development

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Development methods for traditional programming languages, such as C emerged in the 1980s. The results were not always as good as hoped for-many Computer-Aided Software Engineering(CASE) systems were little more than report generators that extracted designs after the implementation was complete-but the methods included good ideas that were occasionally used effectively in the construction of large systems.

The first object-oriented language is generally acknowledged to be Simula-67 developed in 1967. This language never had significant following, although it greatly influenced the developers of several of the later object-oriented languages. This movement became active with the widespread availability of Smalltalk in the early 1980s, followed by other object-oriented languages, such as Objective C, C++, and Eiffel. The actual usage of object-oriented languages was limited at first, but object orientation attracted a lot of attention.

There were some early attempts to unify concepts among methods. In 1996, the Object Management Group (OMG) issued a request for proposals for a standard approach to object-oriented modeling. The emergence of UML appears to be attractive to the general computing public because it consolidates the experiences of many authors.

UML was developed in an effort to simplify and consolidate the large number of object-oriented development methods that had emerged. The UML combines the commonly accepted concepts from many object-oriented methods, selecting a clear definition for each concept, as well as a notation and terminology. The UML is seamless from requirements to deployment. The same set of concepts and notation can be used in different stages of development. It is not necessary to translate from one stage to another. This seamlessness is critical for iterative, incremental development.

The UML is intended to model most application domains, including those involving systems that are large, complex, real-time or computation intensive. There may be specialized areas in which a special-purpose language is more useful, but UML is intended to be as good as or better than any other general-purpose modeling language for most application areas.

The UML is intended to be usable for systems implemented in various implementation languages and platforms, including programming languages, databases, 4GLs, and so on. The UML is a modeling language, not a description of a detailed development process. It is intended to be usable as the modeling language underlying most existing or new development processes, just as a general-purpose programming language can be used in many styles of programming. It is particularly intended to support the iterative, incremental style of development