Archive for the “Technology” Category

Server Monitoring And Alerting – Why Do You Need Them?

by Hayden Smith

What is your server doing right now? What is its load like? How much RAM is free? Is it running low on disk space? All of these are valid questions to be asking at any time when running a server, especially during busy periods when resources may be tight. Regularly checking your servers to ensure…

The Importance Of IP Addresses

by Hayden Smith

Anyone who has been using the internet for any length of time will have come across IP addresses. These special groups of numbers are used to identify a computer connected to a network. These addresses are unique to specific computers or smaller networks on the internet and are used to send data from one place…

Configuring And Running A Minecraft Java Edition Server On Your VPS Running Ubuntu 16.04

by Hayden Smith

Unless you’ve been living under a block since 2010, you’ve probably heard about the runaway success story of the computer game Minecraft. Having said that, I suspect if you are reading this article you already have a fair idea what Minecraft is. One of the features of the PC version of Minecraft, these days called…

Web Log Visualizations Using GoAccess

by Hayden Smith

One of the challenges of running a website is knowing what your web server is doing. While various monitoring applications can alert you when your server is running with high loads or slow page responses, the only way to fully understand what is going on is to look at the web logs. It can take…

What Is cURL?

by Hayden Smith

The world wide web has – to say the least – become somewhat ubiquitous, to the point that it’s hard to do much on a computer without the need to communicate. This is equally true when working at the command line on a server as when working on a desktop. There are a number of…

What Are Hard And Soft Links?

by Hayden Smith

One of the features of the file systems used by Linux and Unix systems is the ability to create links for files. There are two types of links: soft links (also called symbolic or shortened to sym) and hard links. Both can be used to link to a file from another location, but the way…

What is Xen?

by Hayden Smith

Xen is the commonly used name for the Xen Project hypervisor. It is currently developed by the Linux Foundation with support from Intel. Similar to KVM, it aims to provide a mechanism through which the Linux kernel can be used as a hypervisor when virtualizing computer systems. Starting as a project at the University of…

What is QEMU?

by Hayden Smith

This time on our tour of virtualization technologies we shall be looking at QEMU, or the Quick EMUlator. Unlike many modern virtualization systems, as the name implies QEMU is an emulator, and as such is capable of emulating many systems and hardware components. QEMU Emulation Virtualization Whilst virtualzation systems such as Xen and KVM rely…

What is KVM?

by Hayden Smith

Kernel-based Virtual Machine, or KVM, is a virtualization technology that has been around for a decade now. It’s built into the standard Linux kernel, and is designed to enable it to act as a hypervisor. This means that pretty much any Linux distribution is ready to be used as a hypervisor once it is installed….

US Money Has Gone Mobile… Or Has It?

by Madeleine Bruce

Take a look at the trends and patterns emerging in banking and currency in the United States.

Posted in TechnologyComments Off on US Money Has Gone Mobile… Or Has It?

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