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‘Network Administration’ Archives

Q&A Monday: Check MAC AD Authentication

Q&A Monday:  Check MAC AD Authentication

Question: I work for a School District with a very small tech department.  As we are in an educational environment, we are running a mixed environment with Mac’s and PC’s authenticating to a Windows 2003 AD servers, 9 total servers total spread out throughout 8 sites.  I have been running into problems with a few Mac’s in our Mac labs [...]

Q&A Monday: Dell PowerEdge 2970 Install Problems

Q&A Monday: Dell PowerEdge 2970 Install Problems

Question: I have a Dell PowerEdge 2970 server, and I'm trying to install Windows Server 2008 R2 with the Dell CD that came in the package.  It boots off the CD and loads the install GUI, and then stops before installing everything asking for drivers.  I tried putting the RAID array drivers on a USB and letting it search there, but it doesn't [...]

5 Cool registry changes only in the registry

5 Cool registry changes only in the registry

With almost any discussion we have about the registry, I always want to stress the same message.  Messing with the registry can cause you system to become unstable or not work.  Please make sure you backup the registry prior to making changes.  Now with that out of the way, I wanted to show you some cool registry changes that you can make in [...]

Q&A Monday: How often should I update my Linux Servers?

Q&A Monday:  How often should I update my Linux Servers?

Question: I have recently become responsible for more servers at my current job, some of these servers are of the  RedHat and Debian flavor of linux, and I was wondering what is the recommended period of time between checking for updates on these servers? Catina P. Martin Mira Loma, CA   Answer: To be honest, it all [...]

Q&A Monday: Determine what Domain Controller authenticated a user

Q&A Monday: Determine what Domain Controller authenticated a user

Question: We have many domain controllers in our environment and while working through troubleshooting, I was wondering if there was a way to find out which domain controller logged the user into the network while sitting at the users PC.  The problem ended up not being related, but the question stuck with me, is there a way to tell which [...]

5 ways to limit your DNS Issues

5 ways to limit your DNS Issues

  One of the things most overlook on a network when things are going well, but when they aren't, are one of the most pain in the butt things imaginable is DNS for a network.  When you start messing with DNS, you'll find there are many ways things can go wrong or become endlessly complicated.  I've find there are 5 rules that can help you keep [...]

Please don’t daisy chain switches

Please don’t daisy chain switches

There are many times that I would walk into a business to help troubleshoot a problem, to find that someone didn't take the proper time to do something right, and instead took the easy way.  Usually this come in the form of switches (or even worse hubs) that are daisy chained together one after another...and sometimes, after another. I [...]

Q&A Monday: IIS 7.5 Error 401.3

Q&A Monday:  IIS 7.5 Error 401.3

Question: I'm trying to test my ASP.Net website and I keep getting this error: HTTP Error 401.3 - Unauthorized You do not have permission to view this directory or page because of the access control list (ACL) configuration or encryption settings for this resource on the Web server. I tested the site both from the IP address, as I [...]

Upgrade BackTrack 5 R1 to the new R2

Upgrade BackTrack 5 R1 to the new R2

If you are anything like me, you hate to wait for things and here's a time you can get the information before the release.  BackTrack R2 will be released on March 1st 2012, but there are directions to make all the upgrades today, all you need to do is follow the directions below, and you'll get the newest kernel, security updates and tools [...]

Q&A Monday: Windows 7 Hide Accounts from Welcome Menu

Q&A Monday:  Windows 7 Hide Accounts from Welcome Menu

Question: We are deploying Windows 7 machines to users that are not the domain, and I want to add some accounts for administration to the machine, but I only want the users to be give the option of seeing the one account they are going to use.  Is there any way to hide the other accounts?  John Higgins Oakland, CA Answer: *NOTE: To [...]

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