User Interface Markup Language

UIML or User Interface Markup Language allows you to create web pages that can be transferred to any type of interface device like personal computers with large displays and keyboards and even to smartphones with small displays and no keyboard. The greatest advantage of User Interface Markup Language is that the content can be created without an understanding or knowledge of which current and future devices this content will be send to.

The content developer will use this language which is also commonly called tags for describing interface elements like text messages, input boxes, buttons and menus. The programmer then creates applications using the UIML page for generating pages appropriate to every type of device like a personal computer, voice input device, smartphone etc. So the UIML is basically a markup language which offers and described GUI or graphical user interface and controls. It was designed to respond to the need to create a uniform language that can built multi-platform applications.

The UIML is therefore an application of XML of Extensible Markup Language. It can be held as a XML description which described data structure like the names of fields of any user interface. It was originally developed by researchers in Blacksburg, Virginia in 1997 after which it was enhanced by many organizations later like the Virginia Tech. researchers were frustrated with poor usability features of software user interfaces and faced much difficulty in creating quality user interfaces with the existing languages. Thus grew a desire for a language which was specifically designed for under interface keeping in mind the needs of user interface designer. This is how UIML was born as a declarative language to describe how the interface would look like.

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Unified Computing System

The Unified Computing System or UCS is data center server operating platform that comprises of computing hardware, switching fabric, virtualization support and management software. The idea of bringing about a comprehensive platform that is cohesive in nature and can be managed just like an independent unit is to improve the scalability by integrating individual components into one single comprehensive platform. Another aim is to reduce the comprehensive cost of ownership. With such a powerful system in place, timely deployment of resources becomes easy.

One of the key benefits of the Unified Computing System is stateless computing. There are no set or predetermined configurations for any node. For instance, BIOS Settings, UUIDs and MAC Addresses can all be configured with the UCS manager in the service profile and then can be applied to the servers. This provides for consistent configuration and easy re-positioning. In fact, it would only take a few minutes for applying a new profile.

The very fact that the entire system is managed by a software based UCS manager makes it a smart and viable choice for most growing businesses that are struggling with not enough manpower. It is always best to consider expert help in case of doubts concerning implementation.

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User Interface

Abbreviated UI, user interface is the means by which a user and a computer system interact. It is a set of commands or menus through which a user communicates with a program. In other words (UI) is everything designed into an information device with which a human being may interact. Examples may include keyboard, mouse, display screen, light pen, etc. It determines how commands are given to the computer or the program and how information is displayed on the screen.

A command-driven interface is one in which you enter commands. A menu driven interface is one in which you select command choices from various menus displayed on the screen.

The user interface can arguably include the total “user experience,” which may include the aesthetic appearance of the device, response time, and the content that is presented to the user within the context of the interface. In early computers UI was limited.

UI is one of the most important parts of any program because it because it determines how easily you can make the program do what you want. A powerful program with a poorly designed user interface has little value. Graphical user interfaces (GUIs) that use windows, icons, and pop-up menus have become standard on personal computers.

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UNIX

UNIX was originally designed by a handful of programmers, as one of the first operating systems to be created in a high-level programming language, named as C. This meant that it was possible to install it on practically any computer for which a C compiler was available. This feature of natural portability along with its low price made it a prevalent choice among the universities. Due to its benefits of portability, elasticity, and power, UNIX has emerged as an important operating system for workstations. Traditionally, it has been less popular in the personal computer market.

UNIX originally developed at AT&T’s Bell Labs research center by Ken Thompson, Ritchie, can be explained as a multi-tasking, multi-user computer operating system that is found in different variants.

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Utility Computing

Utility computing refers to a service provisioning model wherein a service provider ensures that the computing resources and infrastructure management are available to the client as required and at the same time charges them for a definite usage rather than a flat rate. Like other types, such as on-demand computing or grid computing, the utility model strives to optimize the effective use of resources and/or minimize associated costs. The word utility is used for making an analogy to other services, such as electrical power, that seeks to meet the varied customer requirements, and charge for the resources based on usage rather than on a flat-rate basis. This approach is usually referred to as pay-per-use or metered services. It is becoming progressively common in enterprise computing and is sometimes used for consumer market, Internet service, Web site access, file sharing, and other related applications.

An additional version of utility computing is done inside the organization. Under a shared pool utility model, an organization centralizes its computing resources to provide to a large number of users without unnecessary redundancy.


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Uptime

Uptime, quite literally, is the opposite of downtime. It is a measure of the time duration for which a computer can work at a stretch and remains available. Downtime, as is obvious, means the time for which it remains non operational due to functional issues or otherwise. It is used for measuring the stability and reliability of a computer operating system.

More specifically put, it is a measure of the time for which a computer can be left unattended without requiring a reboot for maintenance and administrative purposes or can be left to itself without crashing. However, very long uptimes can indicate some degree of negligence because some updates that are critical in nature can require rebooting on certain platforms.

Today, this measure has a critical success pointer for IT systems. Apart from keeping track of other performance monitors, how long the computer can remain operational without a breakdown is also monitored sustainably for determining system performance. It is always measures in percentage. So, an Uptime of 90% in a day would mean that system can remain active and alert without crashing or requiring reboot for about 21.6 hours which is 90% of 24.

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With time becoming increasingly precious in today’s business scenario, the tolerance for unprecedented downtime is dwindling fast. And this is what makes this measure so very relevant.

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Ubuntu

Ubuntu is an operating system that was developed by Canonical Ltd, based on the Isle of Man. Ubuntu was owned by a South African businessman named Mark Shuttleworth. Ubuntu refers to a Debian based Linux operating system,in which Unity is its default desktop environment.

It is established on free software and has been named after the Southern African philosophy of Ubuntu, which in literal sense refers to humanity towards others or the belief in a universal bond of sharing that connects all humanity

According to certain popular metrics, Ubuntu is the utmost widespread desktop Linux distribution.

This project is widely committed to the principles of open source development. Under this practice, people are encouraged to utilize free software, study how it works, progress upon it, and thereby distribute it.

Ubuntu’s goal is to be secure “out-of-the box”. By default, the user’s programs run with low privileges and cannot corrupt the operating system or other users’ files. For increased security, the sudo tool is used to assign temporary privileges for performing administrative tasks, which allows the root account to remain locked and helps prevent inexperienced users from inadvertently making catastrophic system changes or opening security holes.

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Web Log Analysis Software

Web log analysis software is also referred to as a web log analyzer. It is used to examine the web traffic data. Most of the web servers conserve the data about each visit to a web page, to a log file on the system. These log files are then utilized by log file analysis software to develop activity reports for web usage.

It is a type of web analytics software that analyzes a server log file from a web server, and on the basis of the values enclosed in the log file, develops indicators about when, why, how, and by whom a web server is visited. Generally the reports are created from the log files, but the log files can otherwise be explained to a database and the reports can be created on request.

The prominent features sustained by log analysis packages includes – hit filters, which utilizes the pattern matching method to inspect the selected log data

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Web Server

A web server is basically a battery of storage spaces that cater to a number of needs of the cyber space. In layman’s lingo, it’s a cluster of our very own hard disks which permanently remain connected to the internet. All the information that we see on the internet remains stored on these remote devices. These are large setups kept earmarked for specific tasks. The jobs that they do may be different depending on the requirements with many of them doing simultaneous functions at a time.

Ideally, web servers are mostly accessed when an entity requires hosting portal(s). The humble hard disk of a laptop or PC can also function as a server. Having said this, it is never advisable to do so for when it comes to providing services and resources to a plethora of computers and other devices such as smart phones, which is the basic job of a web server, the probability of a crash or data loss is inexplicably high.

Therefore, not getting into any risks it is always better to buy out a particular portion of a web server, most of the times at a certain amount of annual payment and let the whole process take a professional route. In the age of neck break competition, the payments have got a lot more cheaper with organizations offering different packages of web servers.

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Web Scale IT

Web Scale IT is a phrase put to use for referring to world class computing. It is also an architectural approach utilized for delivering capabilities of large based cloud hosting service providers within the realms of an enterprise IT setting. The primary approach here is to be build, design and manage the infrastructure of a data center where the capabilities might go beyond the specified scale in terms of size and scope since it pertains to agility and speed.

If all this seems way too complicated, there is a simple definition too. Web-scale IT can be simply defined as all the activities happening at large in cloud hosting service companies. Some of the prominent names in this domain include Google, Facebook, Netflix, Amazon and similar. It enables these big names to achieve scalability and agility for applying new architectures.

The methodology related to managing, deploying, designing infrastructure at all levels and can be packaged in various ways for suiting diverse requirements and can scale up the size of enterprise and business. It is not the implementation of a single technology. It is a set of capabilities of a complete IT system.

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