Home » Technology

Category Archives: Technology

Server Equipment Rack Server Cabinet

Server Equipment Rack Server Cabinet Enclosure why do I need one?

A network server equipment rack  or wall mount rack for a computer network is the central point of any well designed data center.  So why is a server cabinet so important?

Well, all the equipment that is rack mounted will wind up in either an open exposed distribution rack or wall mount equipment cabinet mounted on the wall in hinged mount brackets or even sloppily placed on the floor. This offers no security or environmental protection at all. Routers, hubs, rack mounted servers, patch panels and the cable that connects it all are the central heart of the network. In a simple small network like a home network, mounting brackets or opened access can be ok. But in a small office or more complex data center or multi-floor office building there are several things to consider. One is the security of the equipment and another is the environment it will be placed in. You wouldn’t wash your car with dirty water, so why put a network with expensive sensitive equipment in a dirty environment? There is a solution. Use a server cabinet or server rack.

If it is a home or a small location you can use a mini server cabinet. Most of these lock and you can mount your important peripherals in it. A 9U cabinet small home theater cabinet is great for security and order and they should lock.

I know, so what is a U? In rack speak that is U or RU is 1.75 Inches. That is how you can measure the inside height of the cabinet and how many items can go into it. These smaller mini cabinets are great for Home Theater set ups where you need to place a few items inside and want to take up limited space. Larger sites need the most security and controlled environments as they can get. Data centers don’t want equipment melt down or security breaches. They will sometimes line up rows and rows of server cabinets and house all their equipment in them. So, don’t you think having a cabinet if you’re a small operation is any less important than a big guy’s office?

Think security, neatness and integrity.

Master HTML & HTML5 – The Essentials

Master HTML & HTML5 - The Essentials

Master HTML & HTML5 – The Essentials

Learning to use HTML to add paragraphs, headings, images, create navigation and HTML 5 Tags.

Taught By: James Kennedy

Learn more, and enroll at: Master HTML & HTML5 – The Essentials

Course Details

Every webpage you look at is written using a language called HTML (Hyper Text Markup Language). Imagine HTML as the framework that gives every webpage it’s basic structure.

Fundamentally, an HTML document is only a text file that displays text and nothing else. When you open an HTML file using a browser, if interprets the HTML codes & tags around the text, using them to adapt the layout, display images, or make links to other HTML pages, either on the site or externally.

As HTML documents are only text files, we can write them in any simple text editor. A very popular alternative is to use a special kind of HTML editor – possibly one that concentrates on the visual aspects of the page rather than working with the codes – this is a WYSIWYG editor (“What You See Is What You Get

this course, we’ll use HTML to add paragraphs, headings, images, create navigation and also features of the newer HTML5 coding.

ArcGIS Earth – What’s New

ArcGIS Earth 1.1 - What's New
ArcGIS Earth 1.1 Is Here

ArcGIS Earth is off to a great start with thousands of downloads and an engaged community of users from all over the world. We are happy to release the 1.1 version and excited to share some of the new key capabilities that deliver on many of your requests and help connect you with more of the data in your organizations.

Visualize Time-Based PatternsVisualize Time-Based Patterns

Use the newly added time slider to animate and explore time-enabled KML data.




Add Open Geospatial Consortium (OGC) Web Map Services (WMS) and Web Map Tile Services (WMTS) to ArcGIS Earth and take advantage of open standard data in your organization. WMTS in ArcGIS Earth is able to use prerendered, cached tiles just like Esri cached map and image services.

Import CSV and TXT FilesImport CSV and TXT Files

Add tab-delimited text (TXT) and comma-separated value (CSV) files to quickly import large numbers of points. Users who are logged in to Portal for ArcGIS with a configured locator can even perform address geocoding.


Download : http://gisupdates.esri.com/ArcGIS_Earth/1.1/ArcGIS_Earth_x64_Setup_1.1.exe

Source: http://www.esri.com/software

5 Takeaways That I Learned About Machines

Understanding RC Quadcopters RC quadcopters, which also go by the names quadcopter, quad rotor RC helicopter, quadricopter, or simply drone, are multi-rotor RCs which have sene the fastest development in vertical lift platforms. They are radio-controlled, and have the ability to rise above ground, hover, and fly every direction. These devices, as their name suggests, come with four cross-configured propellers each. These quadcopters don’t have those single big collective pitch or tail rotors which are commonly found on typical RC helicopters. Instead, they have fixed pitch propellers, two spinning clockwise and the other two spinning counter-clockwise. As long as all four propellers are rotating precisely and accurately at varying speeds, any directional movement made by a standard helicopter is possible. When compared to typical and mechanically difficult pitch and fixed pitch RC helicopters, quad rotors and other multi-rotor helicopters are way simpler, thanks to very few moving parts. Normally, only 4 parts are moving, and these include the 4 spinning motor shafts that directly connect to the 4 rotating propellers. Nothing more!
Overwhelmed by the Complexity of Drones? This May Help
For the same reason, aficionados will find it very easy to construct their own drones using quad and multi-rotor RC helicopters. All that will be needed are the frame, motors, propellers, the receiver, the ESCs, the electronic satbilization system, and of course, flight batteries.
The Essential Laws of Cameras Explained
There are surely other forms of the multi-rotor design, some using only 3 propellers in a triangular configuration, some up to 6 in a hexagonal configuration, and even up to 6 propellers (machines are called octocopters). Definitely, there are other multi-rotor design types – some with only 3 propellers in triangular configuration, others with 6 propellers in hexagonal configuration, and yet others with 8 propellers (these are called octocopters). Certainly, other multi-rotor designs also exist – the 8-propeller machines called octocopters, those with 6 propellers in hexagonal configuration, and those with only 3 in triangle configuration. However, to make the explanation easier, the quadrotor variety is good to use because it’s probably what beginners will be starting out with anyway. If you’re a bit confused, you can try and visualize. Picture out a helicopter flying. RC helicopter controls, unlike RC planes’ or cars’, are a little vague. Now you know what’s with a helicopter and why it flies. If you’re planning to buy a quadcopter or construct one yourself, there are many varieties out there, from the inexpensive beginner types to the advanced types. Of course, you’d like to start with the basic model, but do ask the supplier for recommendations. If you have friends who are aficionados themselves, let them give you some tips. Otherwise, you can always check the Internet to find more information about quadcopters. Just don’t forget to verify your source. While information accessibility is much better today with the world wide web, searching for accurate information has also become much harder. In any case, as long as you spend enough time researching, nothing should go wrong, especially if you can find a supplier who is eager to help you. And remember that finding the right supplier will also need you to do some homework.