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Data Center
Selena Frye
TechRepublic Staff
Selena Frye

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What you need to know about Cisco's CCNA certification
The CCNA is a valuable certification, but the level of value definitely depends on whom you ask. And, of course, certification is only as valuable as the experience it accompanies. Find out what...
Posted by David Davis | October 4, 2007, 1:19 PM PDT | Latest comment by marinakitty
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Skype underperforms; EBay admits to mistakes
The timesonline reported yesterday that eBay has admitted to massively overpaying for Skype. Back in 2005 eBay bought Skype for a whopping $2.6 billion; now they have warned shareholders that...
Posted by Justin Fielding | October 3, 2007, 5:31 AM PDT | Latest comment by JoeBeckner
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Make a smooth transition to Exchange 2007 by taking advantage of readiness checks
Last week I took a look at the routes available when moving to Exchange 2007 from previous Exchange installations. My lab setup is relatively simple consisting of one Domain Controller and one...
Posted by Justin Fielding | October 1, 2007, 4:56 PM PDT | Latest comment by sera.miller@...
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Mobile devices are the new network perimeter: Can they be secured?
Mobile devices are great for productivity, but they have completely changed the vulnerability state of our networks. Learn what we have to fear and what measures we can take to solve the mobile...
Posted by Cara Reynolds | September 28, 2007, 1:20 PM PDT
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The blurring lines between VoIP, PSTN, and cellular
This past week, I've been testing several voice services that really offer a taste of what the future of telephone service will be like. We've come a long way since my childhood, when the family...
Posted by Deb Shinder | September 28, 2007, 12:46 PM PDT | Latest comment by melvins-12449368
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Exchange 2007: A (mostly) successful migration
Many of you who regularly read my Exchange tips will be migrating to Exchange 2007. This week I want to report on my experience with a mostly successful migration from Exchange 2003 to Exchange...
Posted by Scott Lowe | September 28, 2007, 11:46 AM PDT | Latest comment by mastjd@...
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Four reasons to earn Cisco's new CCENT certification
While the Cisco Certified Network Associate (CCNA) certification is the most well-known introductory certification offered by Cisco, it can be a serious challenge for many Cisco networking...
Posted by David Davis | September 27, 2007, 1:45 PM PDT | Latest comment by NetworkGuy55
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BitTorrent users take another hit
Some of the Internet's largest torrent trackers have been taken offline or severely cut back this month. For those of you who don't know what a torrent tracker is, it's a server which helps...
Posted by Justin Fielding | September 26, 2007, 1:35 PM PDT | Latest comment by scott_heath@...
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Going to Exchange 2007? You can't upgrade that from here
It's been a while since I set up my Exchange 2003 Lab environment. Although the setup is relatively simple with only one Active Directory domain controller and one Exchange server, I have been...
Posted by Justin Fielding | September 25, 2007, 12:48 PM PDT | Latest comment by allan@...
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Why do people still fall for Phishing scams?
After being bombarded with phishing e-mails this week I have had to ask myself who on earth would fall for them! Google mail are usually very good at filtering out both spam and phishing mail;...
Posted by Justin Fielding | September 23, 2007, 12:56 PM PDT | Latest comment by federico.maggi@...
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Apple Wi-Fi exploit published
Almost a year after it was patched by Apple; David Maynor has released a complete paper on his exploitation of Apple's Wi-Fi drivers to enable full remote code execution. The paper covers the...
Posted by Justin Fielding | September 22, 2007, 8:19 AM PDT
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What's on your VoIP wish list?
Those who were on the cutting edge and became early adopters of VoIP can best appreciate just how much the technology has improved over the last decade. We've come from very basic (but cheap)...
Posted by Deb Shinder | September 21, 2007, 11:07 AM PDT | Latest comment by stux@...
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Use advanced parameters on your Cisco IOS ACLs
Recently, a fellow network administrator asked me why his Cisco IOS access control lists (ACLs) weren't working. He was trying to use some advanced parameters in his ACLs, but something was going...
Posted by David Davis | September 20, 2007, 11:39 AM PDT | Latest comment by bonnyface@...
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Windows Mobile 6 with Exchange 2007: A beautiful combination
Even though I love to play with beta software in a lab and I've even been known to (gasp!) install Microsoft software before SP1, I don't generally play with fire when it comes to running...
Posted by Scott Lowe | September 19, 2007, 11:59 AM PDT | Latest comment by hsmithdp@...
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Chinese gamer dies from exhaustion!
"Warning - Health and Safety: Before playing, read the health and safety precautions booklet for important information about your health and safety" I had always thought this warning message...
Posted by Justin Fielding | September 17, 2007, 2:45 PM PDT | Latest comment by jdclyde
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Anonymous does not mean secure…
While browsing interesting stories on Slashdot.org I found reference to an astonishing blog entry over at derangedsecurity.com; in this blog, the author gives out a list of 100 government e-mail...
Posted by Justin Fielding | September 17, 2007, 10:10 AM PDT | Latest comment by JDThompson
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Vista pirates plunged in to darkness
An e-mail has been sent to a large Microsoft Windows Vista distributor entitled, "Pirated Vista -- A darkness descends!" The e-mail, sent from a local Microsoft representative describes what users...
Posted by Justin Fielding | September 13, 2007, 12:02 PM PDT | Latest comment by AndyW360
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Upgrade your Cisco 2950 switch in four steps
A few years ago, I wrote "Cisco administration 101: Upgrading routers and switches." In the article, I reviewed the basics of router and switch upgrades. That article focused primarily on...
Posted by David Davis | September 13, 2007, 11:53 AM PDT | Latest comment by Mspnz6
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How it works: Exchange Hosted Filtering
Microsoft has made a big jump into the hosted services game with the introduction of Microsoft Exchange Hosted Services. With a number of services being provided under the "Hosted" umbrella,...
Posted by Scott Lowe | September 13, 2007, 11:44 AM PDT
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Forget hackers: Complex networks doomed to Murphy's Law
There is an interesting story in the New York Times today, "Who Needs Hackers?" by John Schwartz. The article appraises network threats and recent high-profile outages, suggesting that while...
Posted by Selena Frye | September 12, 2007, 7:51 AM PDT | Latest comment by hoblotron@...
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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@...
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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
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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
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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
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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
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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
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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@...
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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
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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
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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@...
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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
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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@...
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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@...
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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@...
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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
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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
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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@...
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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
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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
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Exchange 2013: First-time installation and basic administration
The Cumulative Update 1 for Exchange 2013 adds on-premise co-existence with legacy Exchange Server versions. Check out the new features
Posted by John Joyner | May 20, 2013, 6:00 AM PDT

































