What is Web Hosting

Web hosting is a service that allows organizations and individuals to submit a website or a web page on the Internet.The task of a web hosting provider is to provide the services required for a web site to be seen and accessed on the internet.

In the whole process ,servers are used to store and host web sites and web pages.Web hosting is designed to communicate between servers and users.To obtain space in a web hosting environment you become a member and agree to terms and conditions of renting the space - just as if you were to rent a house or commercial premises for your business.Once you agree and become a member, you are given an access code, a key, to your piece of cyberspace. This key, in the form of a login and password, allows you to connect to the web hosting server and upload your web site so it can be accessed on the internet.


Web hosting was quite simple in the beginning but it has now become more complex.The advent of audio-visual applications has added great freedom of entertainment to web hosting world.


Our company is the business of web hosting , there are some advantages which we give while hosting sites to our clients :-

1. Maximum space - We would provide an enormous space for the site so that the owner does not face any difficulty while uploading his content.


2. Less cost - We charge very nominal fees for hosting a site.


3. Quick service -  The navigation of web pages of the hosted site will be very quick because we offer a high bandwidth.


4. Web security - Security will be set up correctly on that site to prevent hacking so that any hacker cannot steal the confidential data of our clients.The security applied will be monitored regularly.


5. Automated tasks - Some routine tasks and commands will be automated with the help of scripts so that our client need not waste his time on daily tasks.Client can select a script according to his requirement and purchase from us.

Advantages of Linux Over Windows

1.Hardware issues -Linux has been developed to work across a wide range of hardware. It can be installed on computers old and new, and can be scaled to work quickly with limited resources.In contrast, each new edition of Windows requires greater and greater processing capacity, memory, and storage.


2.Cost -The greatest advantage of linux is that it is available completely and legally for free. This not only includes the operating itself, but includes several of the available programs. Whereas a copy of Windows 7 Home Premium can cost $130 for the complete package. However, on top of that, one must buy Microsoft Office, a firewall and anti-virus software, at the minimum. With Linux, there are several free office suites and several free firewalls.


3.Data failure -Windows always fails  when it comes to data. In Linux, you can backup the home directory and know that you should be able to transplant it to another system.

4.Solution to virus attacks -In case of Linux, threat detection and solution is very fast, as Linux is mainly community driven and whenever any Linux user posts any kind of threat, several developers start working on it from different parts of the world where as after detecting a major threat in Windows OS, Microsoft generally releases a patch that can fix the problem and it can take more than 2/3 months.


5.Supported file systems -Linux supports Ext2, Ext3, Ext4, Jfs, ReiserFS, Xfs, Btrfs, FAT, FAT32, NTFS file systems where as windows supports only FAT, FAT32, NTFS, exFAT.

 
6.Stability -Linux is very stable,linux systems rarely crash, and when they do, the whole system normally does not go down on the other hand windows frequently crash.


7.Swift booting -Linux boots in a very less time as compared to windows.

Autobiography of Linus torvaldsa

Linus Torvalds is the world's most famous computer programmer and also its most famous Finn. He is the founder and coordinator of Linux, the Unix-like operating system that is beginning to revolutionize the computer industry and possibly much else as well. His is truly one of the great tales in the history of the computers. 

Linus Benedict Torvalds was born on December 28, 1969 in Helsinki, the capital and largest city in Finland.Many members of the family were journalists. His parents, Nils and Anna Torvalds, were both radicals at the University of Helsinki during the 1960s. His father was a Communist who spent a year studying in Moscow in the mid-1970s and later became a radio journalist. His mother worked for a Finnish newspaper as a translator and a creator of news graphics. 

 In 1987 Torvalds used his savings to buy his first computer, a Sinclair QL. This was one of the world's first 32-bit computers for home use. With its Motorola 68008 processor  running at 7.5MHz  and 128KB of RAM , this was a big step up from his grandfather's Commodore Vic 20. However, he soon became unhappy with it because of it could not be reprogrammed due to the operating system residing in ROM.

In 1988 Torvalds followed in the footsteps of his parents and enrolled in the University of Helsinki, the premier institution of higher education in Finland. By that time he was already an accomplished programmer, and, naturally, he majored in computer science. In 1990 he took his first class in the C programming language, the language that he would soon use to write the Linux kernel. 
After a visit to Transmeta in late 1996, Torvalds accepted a position at the company in California, where he would work from February 1997 until June 2003. He then moved to the Open Source Development Labs, which has since merged with the Free Standards Group to become the Linux Foundation, under whose auspices he continues to work. In June 2004, Torvalds and his family moved to Portland, Oregon, to be closer to the OSDL's Beaverton, Oregon–based headquarters.From 1997 to 1999 he was involved in 86open helping to choose the standard binary format for Linux and Unix. In 1999 he was named by the MIT Technology Review TR100 as one of the top 100 innovators, under the age of 35, in the world.

In 1999 Red Hat and VA Linux, both leading developers of Linux-based software, presented Torvalds with stock options in gratitude for his creation. That same year both companies went public and Torvalds' share value temporarily shot up to roughly $20 million.
Till 2003 Torvalds worked at Transmeta Corp. in California as a software developer while continuing to supervise the development of the Linux kernel. In 2003 he became a fellow at Open Source Development Labs (OSDL), a Linux-development consortium in Beaverton, Oreg.; OSDL was merged in 2007 into the Linux Foundation (est. 2007), which now sponsors his work. He became a U.S. citizen in 2010.

In 1998 Torvalds received an EFF Pioneer Award. In 2000 he was awarded the Lovelace Medal from the British Computer Society.In 2001, he shared the Takeda Award for Social/Economic Well-Being with Richard Stallman and Ken Sakamura. In 2008, he was inducted into the Hall of Fellows of the Computer History Museum in Mountain View, California. He was awarded the C&C Prize by the NEC Corporation in 2010 for contributions to the advancement of the information technology industry, education, research, and the improvement of our lives.

On April 23, 2012 at Internet Society's Global INET conference in Geneva, Switzerland, Torvalds was one of the inaugural inductees into the Internet Hall of Fame, one of ten in the Innovators category and thirty-three overall inductees.

Lessons we should learn from Linus Torvalds:-

His motivating factor, then, was not to earn money from a superior product, but just simply to build a better quality, more reliable operating system. He was described as a perfectionist and sore loser. He was very focused on computers and ignored other activities such as sports to program in solitude.

HOW TO USE “alias” COMMAND IN LINUX

The alias command used to rename Linux operating system commands.

For Example..

[root@www ~]# alias show="ll"

With the help of this command (written above) we can modify our command. In simple words we can rename the linux OS commands with this command. Now we can get results of LL command by writing Show.

[root@www ~]# show

-rw-------. 1 root root 1336 Nov 28 19:45 anaconda-ks.cfg

drwxr-xr-x. 4 root root 4096 Nov 30 16:38 Desktop

drwxr-xr-x. 2 root root 4096 Nov 28 19:55 Documents

drwxr-xr-x. 2 root root 4096 Nov 28 20:21 Downloads

-rw-r--r--. 1 root root 49919 Nov 28 19:45 install.log

-rw-r--r--. 1 root root 10261 Nov 28 19:40 install.log.syslog

drwxr-xr-x. 2 root root 4096 Nov 28 19:55 Music

drwxr-xr-x. 2 root root 4096 Nov 28 19:55 Pictures

drwxr-xr-x. 2 root root 4096 Nov 28 19:55 Videos

[root@www ~]#

How to use stat command in Linux…

stat command used to check status of  file and directory to check that when it got created, accessed, modified and its inodes number etc. we can get complete information of a file or directory with this command.

The example of this command is given bellow.

~]#stat anaconda-ks.cfg

  File: `anaconda-ks.cfg'

  Size: 1746       Blocks: 8          IO Block: 4096   regular file

Device: 802h/2050d Inode: 2097161     Links: 1

Access: (0600/-rw-------)  Uid: (    0/    root)   Gid: (    0/    root)

Access: 2012-10-08 14:59:57.731037711 +0530

Modify: 2012-10-05 14:52:31.366189336 +0530

Change: 2012-10-05 14:52:35.482189599 +0530

Using ping command with different-different ways in linux...

Ping stands for Packet Internet Groper. This is a command which used to check connectivity between two different hosts or in two different network devices like router and pc. We can use this command in many ways. That all ways are given bellow.

This command shows reply continuously with IP address after every 1 second interval.

~]#ping 192.168.1.1      

This command  shows reply continuously with IP address after every half second interval.

~]#ping 192.168.1.1 -i 0.5  

This command shows reply five times continuously with IP address after every half second.

~]#ping 192.168.1.1 -i 0.5 -c 5

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