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More articles by Eric Geier

How to Enable Concurrent Remote Desktop Sessions in Windows

Our latest Server Tutorial reveals how you can get around the Windows one-concurrent user limitation in order to be able to use a PC at the same time as a remote connector.

8 Trending Third-Party Management Tools for Amazon Web Services

A closer look at some of the most popular third-party tools currently available for managing your Amazon Web Services (AWS) cloud services.

Creating Custom Virtual Networks for VMware Player

Our latest tutorial reveals how you can use VMware Player's Virtual Network Editor to create custom virtual adapters and then assign them to VMs.

How to Fix a VMware Player Bridged Network

Having difficulties when trying to set a network adapter on a VMware Player machine in Bridged mode?  Our latest tutorial reveals a solution for the bridged network issue.

Moving EC2 Instances Across Availability Zones or AWS Regions

While many Amazon Web Services are region specific, fortunately there are several workarounds for running EC2 instances in different zones.

Securing a VNC Server on Linux with SSH

Virtual Network Computing (VNC) enables you to use a GUI instead of a command-line interface when remotely connecting to a Linux or Unix machine, but security's another matter entirely.  Discover how to make sure your VNC server connections stay secure.

Setting Up VNC on Ubuntu in Amazon EC2

While Amazon Elastic Compute Cloud offers only SSH access by default to Linux cloud servers, if you aren't a command-line fan or your application requires a GUI, discover how you can set up remote desktop access to most Linux cloud servers.

13 Free Network and DNS Tools

These 13  free network and DNS tools will go a long way toward helping you administer, troubleshoot, manage and secure your network.

4 Mobile Management Solutions to Keep Your Enterprise Secure and in Sync

As mobile devices in the enterprise grow by leaps and bounds, enterprises' ability to remotely manage them, including enforcing security policies and keeping data in sync, becomes ever more important. Here are four solutions to help resolve this growing data center dilemma.

The 9 Best Low-Cost RADIUS Servers

Looking for a RADIUS server? No need to spend a fortune. Here are nine inexpensive options to consider.

File Sharing Made Easy With Media Servers and NAS

Centralized file sharing and storage is a snap with these five open source NAS and media servers.

7 Open and Free Network Servers

Free, open source router and firewall solutions abound. Many also offer other LAN services, such as a VPN server, hotspot gateway and captive portal. These seven router projects are suitable for SMBs and enterprises alike.

10 Server and Admin BlackBerry Apps

These 10 BlackBerry smartphones apps make monitoring, connecting, transferring and managing your servers a snap.

12 Awesome Server Admin Apps for Windows Phone 7

Managing your data center from your smart phone is no longer fantasy. Server admins will find a wide selection of Windows Phone 7 apps to monitor, manage and administer as well as perform a variety of server-related tasks.

10 Server and Admin Apps for Your iPhone or iPad

Find out the 10 best iOS-powered apps for server monitoring, transferring files and administering your data center from your iPhone, iPod Touch or iPad.

11 Server Apps for Android OS Devices

Need remote monitoring and management for servers in you data center? Android's got (many) an app for that.

5 Free RADIUS Testing and Monitoring Tools

When troubleshooting a RADIUS server, it's good to have a client simulator program. These five RADIUS testing and monitoring tools can help you test the initial configuration of the server and any changes.

Lock Down Your Windows Server Security Needs With TekRADIUS

Looking for a proven RADIUS server to meet your authentication, authorization and accounting needs for your Windows infrastructure? Consider TekRADIUS, a feature-rich Windows Service available in two flavors that supports multiple protocols.

5 Must-Have Media Servers

A media server offers many improvements over traditional file shares for storing, archiving and sharing multimedia presentations. Here are five worthy candidates to consider.

Setting Up a VPN Server on a Tomato Router, Part 2

Tomato Router is one way to bypass expensive equipment to give users secure remote access or connect offices. Learn how to configure the VPN server and clients as well as how to best test it out.

Setting Up a VPN Server on a Tomato Router, Part 1

Building a VPN? Tomato Router is one way to bypass expensive equipment to give users secure remote access or connect offices.

BlackBerry Enterprise Server Express Enables SMBs to Go the Distance

For most business, mobile phones are as valuable to the business as computers and land lines. Connect them to your business' existing network services, and they're even more valuable. For SMBs wishing to do this, BlackBerry Enterprise Server Express is the perfect trifecta of inexpensive, easy and reliable.

Setting Up an Open Source Server, Firewall and Router on Endian, Part 2

We've stepped through a basic Endian config, now we'll take it to the next step, including creating OpenVPN client accounts, connecting road warrior clients, and configuring gateway-to-gateway connections.

Setting Up an Open Source Server, Firewall and Router on Endian, Part 1

There are numerous open source server, firewall and router and projects, but few, like Endian, are also Linux distros that can turn any system into both a full-featured network and Internet security appliance. We step through a basic Endian config, including setting up the Internet connection and creating a local network, and then setting up the OpenVPN server.

Setting Up OpenVPN on a DD-WRT Router, Part 2

A VPN is an effective way to keep remote workers and branch offices as secure as those in HQ. A VPN server plays a major role in this architecture. We continue our look at how to set up a VPN server, from stepping though how to enable the OpenVPN server and copy in SSL certificates, to configuring clients and testing.