How to Replicate DNS Zones



The first thing you need to do is to be sure that all your servers have DNS enabled.

Oracle box VM - How To



How to deal with:  ‘’Fatal: no bootable medium found! System Halted’’

 

It is common for this error to appear when setting or initializing your virtual machine. Here are the simple steps to troubleshoot this issue.

The Most Popular and FREE Windows Applications

In this topic we are going to be talking about free Windows applications such as web browsers, documents, text editors, image visuals, media players, music managers, voice chat, bit torrent client, compression, screen streaming, screen recording, audio tools, video tools, other tools and utilities.

Computer Virus and Related Terminologies

Virus: Vital Information Resources Under Siege
Everyone who has a computer, laptop, tablet or mobile phone has probably heard of computer viruses and the importance of protecting their devices against possible virus infections! Malware is a generic term for different subgroups of various types of computer virus. The reason they are divided into different groups is because of the various ways they attack our computing devices.

Malware Milestones



By definition, Malware is a piece of software which is designed to destroy, damage or take ownership and privileges to access a computer system. Since ARPANET was developed (Advanced Research Projects Agency Network) on August 30, 1969, malware has been deployed to disrupt legacy systems. Today, these threats are much more sophisticated and powerful.

Command Line Commands - Linux and DOS



Before Graphical User Interfaces, operating a computer was done via text based commands and prompts. MS-DOS was an operating system which seemed to just sit waiting, its cursor blinking, eager for a line of input from the user who would first have to know what could be done and second, how exactly to go about doing it.

The best educational web sites

Coursera.org is a venture funded to make money. It’s an educational technology company that offers a wide range of online courses. Coursera works in tandem with colleges and other establishments to ensure most of their courses are easy to access online. Coursera are offering courses in business, social sciences, physics, biology, mathematics, digital marketing, humanities, engineering, data science, computer science and medicine among others.

Home Computer Maintenance



Like all things IT there are two sides to computer maintenance, the hardware side and the software side.

The hardware consists of the physical components of a computer, for example the computer tower or box which contains the electronics that are needed to run the computer and the monitor or screen, keyboard and mouse.

Why My Computer is Running Slow?



One of the most frustrating things to happen when using a PC is when your PC is running slowly. There are many reasons why this is happening to your PC and this article will explain why and how to prevent this from happening.

All you need to know about an Antivitus program



Antiviruses are crucial to a healthy computer. Many people want to put harmful programmes and virus’s on your personal or work computer for many reasons ranging from using your pc to perform tasks to generate money without you knowing, Stealing information from you like bank card details  and passwords, to shut down a network or even just to prove its possible to get past certain security.

Evolution of the Processor



1971
Intel launched its first microprocessor, the 4004. The first commercial product to use a microprocessor was the Busicom calculator 141-PF.

How DNS Works

The Domain Name System (DNS) arranges opportunities to connect to web sites, Email and web systems by mapping domain names to IP (Internet Protocol) addresses. These IP addresses are represented as numbers and letters. EG: 192.168.50.254 (IPV4) or 2001:503:A83:0:25:55 (IPV6).

Why My Computer Freeze All The Time?

IT is estimated that   75%  of small businesses find a crashed Computer more problematic than a sick employee.

Yet when a person gets sick the first reaction is to phone a Doctor but with a computer asking for help is not the first reaction  most people’s first response is to perform some act

12 Of The Best IT Jobs To Boost Your Career

We all know the pain of looking for a job, lucky for some IT guys its not really that hard as there has always been a high demand for someone who actually knows what they’re doing when sitting at a computer trying to solve an issue and not just turning it off and back on again and with the IT department growing massively over the last couple of years,

IPv4-vs-IPv6

 

More and more often, at least in terms of browsing websites, you may come across comprehensive information that the IPv4 address pool is shrinking and needs to be replaced with the IPv6 protocol. These IPv symbols you may also come across if configuring a home router, laptop or network devices and servers. What does these abbreviations mean and what is the impact on an ordinary user?

Top CompTIA Certifications 2017

CompTIA A+
To obtain the CompTIA A+ certification the candidate must pass two exams: The CompTIA A+ 220-901 and CompTIA A+ 220-902. The exams covers PC hardware and peripherals, mobile device hardware, introduction to networking, troubleshooting hardware and networks, configuring operating systems such as Windows, Linux, Android, Apple OS.