Technical

By default, the guest domain (domU) will attempt to use the same clock as the host (dom0). This approach reduces resources where every guest has to manage its own clock and there is no reason for the hosts to have varying experience of time. However, it is com ...

Redhat was used for the brand of a commercial Linux solution from 2004. The free operating system was moved to Fedora after major reorganisations of the company. Fedora is used by Redhat as the test bed for the now commercial Redhat products but ...

An operating system is the software installed on a computer that connects the user applications to the hardware. This is also referred to as OS or O/S. Almost every computing device now runs an operating system to enable applications to be installed and removed and alt ...

What is apt-proxy? apt-proxy is a program (daemon) that stores regularly downloaded debian and debian-based (Ubuntu) package files. This is useful when there are multiple debian systems on the same network. Any updates pulled down for one machine from the Internet will be made availa ...

NFS is a mature and simple system for file sharing across systems. It is not the fastest or most feature rich but is supported by almost everything so is an easy choice for *nix users. When your NFS server is restarted, it is common for existing clients to report a "Stale NFS file handl ...

S3 stands for Simple Storage Service and is one of Amazons Web Services (AWS) It is highly scalable and an inexpensive way to store and retrieve data. This data can be held privately or made accessible to other parties Developers can access the data through a simple web interface. Am ...

What is the Amazon EC2 Cloud EC2 is the virtual host component of Amazon Web Services (AWS). Amazon Elastic Computer Cloud (EC2) is a web service that allows scalable computer capacity within a "cloud" environment. It enables developers to easily manage configuration and capaci ...

What is Open Source? Software that runs on your computer is built up from many levels of code or instructions.  Almost all of the commercial software sold over the last few decades has been designed to obscure and hide this code to make it difficult for others to copy or reus ...

Purchasing a new PC is a task made up of choice after choice, after choice. Price, support, portability and power are some of the many considerations you must ponder over. In my case, primarily I wanted something cheap and portable. First off I checkout ebay and it seems for the price of a 2n ...

Analogue Telephony So what is FXS,FXO,E&M and all that? FXS - Foreign eXchange Subscriber (Device) FXO - Foreign eXchange Office (Line) E&M - Ear & Mouth PSTN - Public ...