- Follow this blog:
- RSS
- Email Alert
Data Center
Selena Frye
TechRepublic Staff
Selena Frye

-
How to properly secure your Cisco router with passwords
Some of the worst security breaches occur because people neglect basic security measures. David Davis discusses the importance of maintaining proper passwords on your router, explains the three...
Posted by David Davis | June 26, 2008, 9:26 AM PDT | Latest comment by Photogenic Memory
-
Dell hits their green computing benchmark
Dell reported that they have made dramatic progress on one of their green initiatives as their server power supplies now sport 92 percent efficiency when the server is at a 50 percent load.
Posted by Andy Moon | June 25, 2008, 8:07 PM PDT | Latest comment by gjohnson@...
-
Is your site safe from SQL injection attacks?
Microsoft and HP announced yesterday that they are providing free tools to help network administrators to deal with the increase in SQL injection attacks over the last six months.
Posted by Andy Moon | June 24, 2008, 6:16 PM PDT | Latest comment by shahean
-
Cisco TelePresence: Not your average virtual meeting
Using a telepresence meeting room is like taking a step into the future. The technology creates near-lifelike virtual conferences, allowing people at opposite ends of the earth to communicate as...
Posted by Michael Kassner | June 23, 2008, 12:35 PM PDT | Latest comment by Michael Kassner
-
ClarkConnect 4.3 release candidate 1 includes OpenVPN support
The latest release candidate of ClarkConnect supports OpenVPN, an open source SSL VPN that can be used to configure client-side, site-to-site, Wi-Fi based. and other connections.
Posted by Rick Vanover | June 23, 2008, 1:01 AM PDT | Latest comment by JCitizen
-
Network and wireless technologies at CommunicAsia
CommunicAsia2008 was held in Singapore last week. I managed to squeeze out a couple of days to brave the vast exhibition halls at the Singapore Expo. I am finishing up the fully gallery at the...
Posted by Paul Mah | June 22, 2008, 9:59 PM PDT
-
Understand the levels of privilege in the Cisco IOS
The Cisco IOS actually offers 16 different privilege levels. David Davis discusses these different levels and introduces you to the main commands you'll need to configure these privileges.
Posted by David Davis | June 20, 2008, 6:46 AM PDT
-
Cisco Administration 101: Understand the OSI model to become a better Cisco troubleshooter
David Davis explains how the seven layers of the OSI Model can help you as a Cisco administrator. Get a brief overview of the OSI model and learn why it is more than just a textbook concept --...
Posted by David Davis | June 20, 2008, 6:44 AM PDT | Latest comment by swetakk
-
Browser wars redux
Will the release of Firefox 3 breathe new life into the browser wars? The new release, in beta for seven months, promises faster rendering and better resource management.
Posted by Andy Moon | June 17, 2008, 8:54 PM PDT | Latest comment by Ukitin
-
IBM may make DB2 open source, and Microsoft wants an open source census
IBM may move DB2, its flagship database server, to an open source model. Meanwhile, Microsoft is co-sponsoring an open source "census."
Posted by Andy Moon | June 17, 2008, 2:48 AM PDT | Latest comment by askell@...
-
ClarkConnect: Open source gateway options for the remote office
Rick Vanover introduces the ClarkConnect gateway, based on Red Hat Linux and the 2.6 kernel. The goal of Toronto-based ClarkConnect is to provide an easy-to-use product that revolves around...
Posted by Rick Vanover | June 16, 2008, 1:01 AM PDT | Latest comment by teguh.umar@...
-
RF interference: Just how important are antennas
Being able to co-locate multiple RF systems within millimeters of each other in modern wireless devices is in large part due to reducing RF interference. Many of these "interference-busting"...
Posted by Michael Kassner | June 15, 2008, 9:19 AM PDT | Latest comment by Jacky Howe
-
Enterprise, meet the iPhone
As expected, Apple unveiled a 3G version of the iPhone at the Worldwide Developers Conference earlier this week. No real surprise here - its hardware specifications simply served more as a...
Posted by Paul Mah | June 13, 2008, 11:34 AM PDT | Latest comment by sfeda@...
-
10 commands you should master when working with the Cisco IOS
Becoming proficient with the Cisco IOS means learning some essential commands. This quick reference describes 10 commands you'll need to rely on when handling various configuration and...
Posted by David Davis | June 13, 2008, 6:33 AM PDT | Latest comment by career@...
-
Troubleshoot Cisco routers and switches using the debug commands
David Davis shows you how to get to the bottom of router and switch issues with Cisco's debug commands. Debug can give you a lot of detailed troubleshooting information, but watch out for the...
Posted by David Davis | June 12, 2008, 9:59 AM PDT | Latest comment by mike610
-
E-mail security shouldn't be this tough
Andy Moon advances an idea for e-mail security that would allow consumers to choose a trusted verification authority and would require registration and compliance from senders. Could this work to...
Posted by Andy Moon | June 11, 2008, 10:00 PM PDT | Latest comment by grax
-
Is Google's plan realistic or do they have their heads in the cloud?
Andy Moon considers the "cloud computing" movement. How long will it take most users to overcome concerns about security and privacy to embrace the idea of trusting their data to third parties...
Posted by Andy Moon | June 10, 2008, 8:31 PM PDT | Latest comment by Tony Hopkinson
-
Is encryption part of your strategy yet?
Encryption, or the lack thereof, is in the news recently, as a laptop belonging to Stanford University was recently stolen. The problem is that the laptop contained personal information for some...
Posted by Andy Moon | June 9, 2008, 8:24 PM PDT | Latest comment by david@...
-
MAC address scorecard for common virtual machine platforms
When you need to track down a virtual machine on the network, knowing what platform a MAC address relates to may help you identify its location. Here is a rundown of common MAC address...
Posted by Rick Vanover | June 9, 2008, 1:01 AM PDT | Latest comment by seanferd
-
Bluetooth headsets: Only two that are worthwhile
I'm happy to report that my list of acceptable Bluetooth headsets has now grown to two. Motorola's H12 and Aliph's new Jawbone are light years ahead of the competition. Only problem is, which one...
Posted by Michael Kassner | June 7, 2008, 11:27 AM PDT | Latest comment by Corinne25
-
10 commands you should master when working with the Cisco IOS
Becoming proficient with the Cisco IOS means learning some essential commands. This quick reference describes 10 commands you'll need to rely on when handling various configuration and...
Posted by David Davis | June 13, 2008, 6:33 AM PDT | Latest comment by career@...
-
Ten first steps with Windows Server 2012
Scott Lowe walks you through some of the first tasks administrators perform when deploying a new Windows server on the network. Here's how it looks on Windows Server 2012.
Posted by Scott Lowe | September 18, 2012, 9:00 AM PDT | Latest comment by Still_Rockin
-
Modifying the Windows 7 boot loader with the Boot Configuration Data Editor tool
In Windows Vista and later versions of Windows, the bootloader was moved from boot.ini to a utility called BCDEdit. Derek Schauland shows you how to modify the boot config data with the new tool.
Posted by Derek Schauland | July 21, 2009, 6:00 AM PDT | Latest comment by PurpleSkys
-
How to navigate Start in Windows Server 2012
Scott Lowe offers some tips for IT Pros new to navigating Start in the Windows Server 2012 environment. Here are some of the basics to finding your way around.
Posted by Scott Lowe | August 9, 2012, 11:43 AM PDT | Latest comment by technomom_z
-
How SAS, Near Line (NL) SAS, and SATA disks compare
Scott Lowe breaks down the differences in reliability and performance between SAS, Near-Line SAS, and SATA drives.
Posted by Scott Lowe | February 7, 2012, 10:20 AM PST | Latest comment by DexterF
-
Set up your first Windows Server 2012 Hyper-V Host
John Joyner walks you through the steps of setting up a single virtualization host using Windows Server 2012 Hyper-V and points out some of the new features.
Posted by John Joyner | October 16, 2012, 6:00 AM PDT | Latest comment by sourabhmishra
-
How to perform four common tasks in Windows Server 2012
Windows Server 2012 is different enough that are new ways to perform some of the most basic tasks. Scott Lowe goes over four of them in this tip.
Posted by Scott Lowe | August 22, 2012, 6:29 AM PDT | Latest comment by ivo@...
-
The modular server approach for small organizations
There are no shortage of ways to design infrastructure to solve a specific problem. One popular new trend is the modular server, as Rick Vanover explains.
Posted by Rick Vanover | May 8, 2013, 5:30 AM PDT | Latest comment by jwhitetr
-
Practice Cisco router configuration using a free emulator
With a simulator, there are always missing commands and programming errors, and it can never really be as complete as the real IOS. However, because an emulator runs the IOS, you get every feature...
Posted by David Davis | January 10, 2008, 11:47 AM PST | Latest comment by wizard57m-cnet
-
How to join your first Windows Server 2012 to your domain
It's release day for Windows Server 2012 and not too soon to learn how to add the new version to your domain. John Joyner takes you through the steps.
Posted by John Joyner | September 4, 2012, 6:00 AM PDT | Latest comment by stan@...
-
Infographic: Awesome data centers
This infographic from Whoishostingthis.com offers some statistics on the world's largest data centers.
Posted by Selena Frye | May 7, 2013, 9:53 AM PDT | Latest comment by VytautasB@...
-
Microsoft announces four Windows Server 2012 editions: What you need to know
Scott Lowe explains Microsoft's new licensing for the four editions of Windows Server 2012. Here is what you need to know about upgrading and choosing the right edition.
Posted by Scott Lowe | July 6, 2012, 8:03 AM PDT | Latest comment by skypilott2
-
DIY SAN: Windows Server 2012 Storage Spaces and iSCSI target
John Joyner shows you how to use Windows Server 2012 to create an iSCSI target and virtual disk that can be used for storage.
Posted by John Joyner | January 16, 2013, 6:00 AM PST | Latest comment by ascar.omarov@...
-
Diagram your network with these tools
Document your network by checking out our list of network diagramming tools (half the list are free). Submit a network diagram to us and get some TR swag.
Posted by Selena Frye | September 10, 2010, 11:14 AM PDT | Latest comment by Anna1024
-
How to share a folder in Windows Server 2012
Scott Lowe reports that there are some slight changes with the file-sharing in Windows Server 2012. Here are the steps for sharing a file in the new version.
Posted by Scott Lowe | October 11, 2012, 9:00 AM PDT | Latest comment by rick@...
-
How to install Windows Server 2012 on HP ProLiant Servers
John Joyner shows you the steps you need to take to successfully install Windows Server 2012 on HP ProLiant servers. Here are tips on HP drivers and utilities, firmware and software updates, and...
Posted by John Joyner | October 23, 2012, 6:00 AM PDT
-
Configure static NAT for inbound connections
Someone recently asked me how to configure Network Address Translation (NAT) so that computers on the Internet could access his internal Web and mail server through his Cisco router. This requires...
Posted by David Davis | June 6, 2007, 8:50 AM PDT | Latest comment by osaid.suliebi@...
-
Two PowerShell scripts for retrieving user info from Active Directory
Obtaining user object information via Active Directory Users And Computers is fine for the one-time use, but it falls short for batch tasks. These two scripts make it easy to pull user information...
Posted by Rick Vanover | May 19, 2010, 12:00 AM PDT | Latest comment by volentib666
-
How to manage employee photographs with Active Directory
John Joyner explains how to use the built-in features of Exchange 2010 with Outlook and Lync to add and manage employee photos in your organization.
Posted by John Joyner | June 18, 2012, 6:57 AM PDT | Latest comment by Rendman
-
How to solve WSUS errors on your SCCM 2012 servers
Scott Lowe shares the solution to some WSUS errors you may be seeing. The culprit: changes introduced after the System Center 2012 SP1 update. Here's what you need to check.
Posted by Scott Lowe | March 25, 2013, 5:30 AM PDT

































