CompTIA A+ Complete Study Guide
All-in-one guide prepares you for CompTIA's new A+ Certification. Prepare for the required exam, CompTIA A+ Essentials (220-601), as well as your choice of one of three additional exams focusing on specific job roles: More ...
What Is Virtualization and What Are the Benefits?
The term virtualization most commonly refers to server virtualization - running multiple operating systems on a single physical computer. While most computers only have one installed operating system, server virtualization software allows a computer to run several operating systems. More ...
Turn Off Windows XP Service Pack 2 Firewall
If your PC is running Windows XP Service Pack 2, the first thing you need to do is turn off the firewall. Why? Because a serious firewall blocks unwanted inbound and OUTBOUND connections. SP2's firewall does not block unwanted outbound connections. More ...
How to Setup a VPN Between Two Computers
A VPN establishes a secure path between a computer with public Internet access and a computer connected to a private network. This article show you how to set up a VPN. More ...
Synchronize Your PC's Clock with an Internet Time Server
Your PC should, by default, be configured to synchronize to time.windows.com every seven days. One of the reasons you might be thinking of synchronizing your PC's clock is because it doesn't keep accurate time. More ...
Basic Functions of Microsoft Active Directory
Active Directory is a distributed directory service included with Microsoft Server operating systems. Active Directory enables centralized, secure management of an entire network. This article describes the basic functions of Active Directory. More ...
NTFS Permissions
NTFS Permissions is a file system feature that lets you set specify which files on your system can be accessed by which specific users, and what kind of access they have to each file. More ...
A Day in the Life of a System Administrator
People interested in becoming a computer system administrator or those who are studying for the Microsoft Certified System Engineer (MCSE) exam might not know what a system administrator actually does. More ...
A Brief Introduction to 3D Printing
Previously, the only ways to create 3D objects was casting and molding. 3D printing involves creating an object by laying down layer over layer of material, building the object from the bottom up. 3d printing is great for rapid prototyping. 3d printing is also a great way for a home artist to express their creativity. More ...
Server Virtualization - What It's All About
Are you tired of hearing about "virtualization" in meetings, reading about it in magazines, and not knowing what it's all about? The term "virtualization" is refers to an operating system running on a host computer without any dedicated hardware as a "Virtual Machine" (VM). More ...
Configuring Windows as a NTP (Network Time Protocol) Server
The Windows operating systems from Windows 2000 onwards has an in-built time synchronization service - Windows Time. The Windows Time service facilitates a Windows network to provide synchronization of all machines within a domain. This article describes how to configure the Windows 2000 and Windows 2003 time service as a NTP server. More ...
Put HyperTerminal on Windows 7
HyperTerminal was included with all versions of Windows up to Windows XP. If your operating system is newer than Windows XP you can copy Hyperterminal from a Windows XP system. More ...
Restrict Web Browsing With Internet Explorer
Regulating web browsing can prevent children (and workers) from accessing dangerous content on the internet, or having to make judgment calls over suitable relationships in chat-rooms. You can block access to unwanted web content. Here's how to do so with a basic Parental Control tool included free with Windows. More ...
DOS Switches and Wild Cards
DOS (Disk Operating System) is an interface that a system administrator can use to perform tasks and configure the system by typing text commands. There are many commands available with the DOS command line interface, most of them feature switches, and wild cards which make them very powerful. More ...
