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Web Hosting - Sharing A Server – Things To Think About
You can often get a substantial discount off web hosting fees by sharing a server with other sites. Or, you may have multiple sites of your own on the same system. But, just as sharing a house can have benefits and drawbacks, so too with a server.
The first consideration is availability. Shared servers get re-booted more often than stand alone systems. That can happen for multiple reasons. Another site's software may produce a problem or make a change that requires a re-boot. While that's less common on Unix-based systems than on Windows, it still happens. Be prepared for more scheduled and unplanned outages when you share a server.
Load is the next, and more obvious, issue. A single pickup truck can only haul so much weight. If the truck is already half-loaded with someone else's rocks, it will not haul yours as easily.
Most websites are fairly static. A reader hits a page, then spends some time skimming it before loading another. During that time, the server has capacity to satisfy other requests without affecting you. All the shared resources - CPU, memory, disks, network and other components - can easily handle multiple users (up to a point).
But all servers have inherent capacity limitations. The component that processes software instructions (the CPU) can only do so much. Most large servers will have more than one (some as many as 16), but there are still limits to what they can do. The more requests they receive, the busier they are. At a certain point, your software request (such as accessing a website page) has to wait a bit.
Memory on a server functions in a similar way. It's a shared resource on the server and there is only so much of it. As it gets used up, the system lets one process use some, then another, in turn. But sharing that resource causes delays. The more requests there are, the longer the delays. You may experience that as waiting for a page to appear in the browser or a file to download.
Bottlenecks can appear in other places outside, but connected to, the server itself. Network components get shared among multiple users along with everything else. And, as with those others, the more requests there are (and the longer they tie them up) the longer the delays you notice.
The only way to get an objective look at whether a server and the connected network have enough capacity is to measure and test. All systems are capable of reporting how much of what is being used.
Most can compile that information into some form of statistical report. Reviewing that data allows for a rational assessment of how much capacity is being used and how much is still available. It also allows a knowledgeable person to make projections of how much more sharing is possible with what level of impact.
Request that information and, if necessary, get help in interpreting it. Then you can make a cost-benefit decision based on fact.
Web Hosting - Free vs Paid Web Hosting Options Everyone likes to get something for free. But as the existence of spam shows, free isn't always good. Sometimes, it's downright harmful. Deciding whether it's worth the cost to pay for hosting involves a number of complex considerations. Hosting companies that offer free services obviously can't stay in business from the money they make from you, since there isn't any. So why do they offer free hosting and how do they make money? Why should you care, so long as you get yours? Because, in reality, there's a price of some kind for everything, even something that's free. Free hosting may come from a company doing a promotion to attract business. They expect to demonstrate their value, then charge an existing customer base fees to make up for what they lost by the (short term) offer. It's in essence a form of advertising. But free hosting is offered by lots of companies that are not dedicated to managing servers for websites. Google, Yahoo and thousands of others provide a modest amount of disk space and a domain name on a server for free. Users are free to do anything they like with it, though if the load becomes excessive you can be shut down. That introduces one of the more obvious drawbacks to free hosting: resource limitations. Typically free hosting offers a relatively small amount of space. That's often enough to host a few dozen pages. But an active site can quickly run out of room. A more serious limitation is load. Free hosting often places strict limitations on the allowed amount of bandwidth consumed. If you become a well-visited site, when users start banging away on the server, you can be asked to leave or simply be blocked for the rest of the month. Or, you may be permitted a certain quantity of total bandwidth use per month. Once it's reached, no one else can reach your site until the beginning of a new month. At the same time, you will certainly be sharing equipment with thousands of other sites. Their load can affect your performance, prompting you to move. Migrating an established site brings with it a number of thorny issues that might be better avoided in the first place. Free hosting has another potential downside: lack of support. When you pay for hosting you typically get, at least in theory, a certain level of support. Backups in case of disaster recovery from a hack or server failure, assistance in analyzing connection problems... the variety is endless. With free hosting you usually get none of that. A company or site that offers free hosting will usually recover a disk or server that fails completely and you'll be back up when they do. But if only selected portions of the drive fail, or you lose a few files through a virus attack or accidental deletion, you have to rely on backups to recover. A free service will usually come with no such option. That may not be a problem if you have a small site. You can make copies of everything at another location and simply recover the site yourself - if you have the discipline to keep it current and the skills to make and restore the copy. Free hosting will typically come with a few email addresses, intended to be used for administration and other tasks. But if your needs grow beyond that, you'll need to seek another option. The email service also comes with minimal oversight. The server may be protected against spam attacks and provide virus scanning. But few free services will provide even minimal help with any issues that arise. But the most serious limitation may have nothing to do with any technical issues. Free hosting services often require that your site's pages carry some form of advertising that pays the host, not you. That may be fine for you, or it may not. Individual circumstances vary. On the other hand, if you're just starting out, a free hosting option can be a great way to learn needed skills and a few of the potential pitfalls. You can set up a site, learn how to maintain and improve it, and not care too much if it gets hacked. Freely hosted sites can be a great platform for learning the ropes. Free services don't usually offer any of the features that an active, commercial site will need sooner or later. So if you plan to grow, it may be reasonable to get the free service for a while, knowing you'll have to migrate when you become popular. But in the long run, you get what you pay for and you may need to pay for what you want.
The History of Writing (history of writing) Writing is commonly used by billions of people each day. However, many of us don?t know the history of writing, and some of us would rather not ponder it for fear of getting a headache. Written communication is much needed today, and many societies could not survive without writing. Writing has a history like everything that is in existence today. The exact history of this form of communication may be clouded and even over exaggerated at times, but there are two known facts, writing has been used for a very long time and writing will be used for a very long time. The true beginning of writing is unknown, but it does have a comprehensive history. The first artistic paintings and writings were said to be done in the form of naturalistic paintings of animals and people in caves. The pictures were known as attempts to appease the spirits of animals that were needed to kill in the hunt. In ancient times pictures were also done of human beings. These pictures of humans were typically done in series, with a figure appearing in different physical positions progressively, which represented positions a ceremonial dance performed by ancient people. Progressively, the early societies began to stylize their messages, which were similar to using symbols to represent restrooms, handicap-accessible places, and international road signs. These stylized symbols are known a petroglyphs and hieroglyphs. The most famous system of hieroglyphs belonged to the ancient Egyptians who had hieroglyphics that were partially representational pictures that were stylized. Petrogylphs were often used by Native Americans as messages along trade routes, ritual information, and various other things. However, they were not as sophisticated as hieroglyphs. During this ancient period, Europeans preserved esoteric knowledge in runes and in an alphabetic writing system known as ogham. The Chinese culture also has a place in the history of writing. The culture began by writing like many others by using pictures then slowly moving to stylized pictures. However, over time the pictures became less representational and more abstract. Today, Chinese, Japanese, Korean, and other Asian languages are written with the use of ideeographs. An ideeograph is used to represent an idea instead of a word. Around 1700 B.C. a new form of writing appeared in the Middle Eastern cultures. During this time, the Phoenicians created an alphabet. This development was different from all others because the symbols represented sounds, not pictures or ideas. The combinations of sounds made up the words of the language, which was crucial in the history of writing. The alphabet developed by the Phoenicians spread to Northern Africa and became the system of the Arabs, and spread northwest to Greece. The Greek developed their own letters, which were modified even more to become the Cyrillic alphabets of Russia, the Balkans and the Romans. The Romans modified the alphabet and made it the alphabet that is recognized today. The history of writing developed even further into the 20th century. Following World War II, the Japanese and Chinese began to use the alphabet to represent the sounds of their languages. For these Asian cultures, the alphabetic system was easier to write by hand and to print economically, so it made life far simpler for those cultures. The artistic form of writing used by these Asian cultures will likely never die, but there are many advantages to using an alphabetic system, and many modern people of these cultures benefit handsomely from learning to read and write using the current alphabet. The history of writing is long and sometimes vague, but it can be seen as a necessary teaching that will help modern societies understand the importance of written communication, and understand how the world would be forever changed without it.