Category Archives: Computers

2019 Middle Tennessee Cyber Conference Agenda

The TN Department of Safety and Homeland Security along with TCAT Shelbyville and the Cyber Conference committee are working on the 2019 Middle TN Cyber Conference agenda.  Look for speakers such as Jayson E. Street (http://jaysonestreet.com/), Brent White of We … Continue reading

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2019 Middle TN Cyber Conference

Register now for the 2019 Middle Tennessee Cyber Conference – Register Now

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Posted in Computers, Information Technology, network, Networking, Technology, Windows Security | Tagged , , , , , | Leave a comment

Aomei Partition Assistant Lite Edition

Need a free partition software to partition or re-partition a hard drive?  Here’s an excellent piece of software that saved us a ton of time on one of our servers and helped Mickey with a friend’s project.   Cost – … Continue reading

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Microsoft Research TCP Analyzer – Check Out Your Network

Microsoft Research TCP Analyzer (Link) is a network analyzer that allows you to analyze network traces of Transmission Control Protocol (TCP) connections. Given a Microsoft Network Monitor trace, the analyzer provides various performance statistics and visualizations for the captured TCP … Continue reading

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How can I improve my internet performance with DNS information in my router?

There are dozens of tips on the web from MTU size to tweaking network card or wireless router alternate firmware.  What isn’t covered a lot is DNS queries.   DNS or Domain Name Services is used when you type the … Continue reading

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Posted in Apple, Computer hardware, Computers, Home Networking, Internet, Linux, network, Networking, Windows | Tagged , , , | Leave a comment

Why Do You Subnet?

Why? The Golden Question All over the internet you will find information on ‘How to Subnet’.   Suddenly you are thrown into a world of bits and binary and given charts of ‘How to Subnet’.   But why do you subnet? Subnets … Continue reading

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Windows won’t Activate?

Windows not Activating?  Go to a command prompt as an administrator and type the following: SLMGR -REARM Reboot  

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Diagnosing your network and measuring speed.

Diagnosing your network? Here’s a GUI program to ping and get averages and speeds over a period of time – nine years ago we featured Performance Pinging by Carsten Schmidt and cannot find a working website from the author to … Continue reading

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Posted in Computer hardware, computer troubleshooting, Computers, Free Software, freeware, Home Networking, Information Technology, Microsoft, Microsoft Windows, Microsoft Windows 10, network, Networking, Technology, troubleshooting, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows Server | Tagged , , , , , | Leave a comment

Default_error_stack files

You’ve discovered hundreds or even thousands of default_error_stack files.  What should you do and what are they? These files tend to be driver errors and can be safely deleted.  There were over 2.3 GB of these data files on my … Continue reading

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Posted in computer troubleshooting, Computers, help desk, Information Technology, Microsoft Windows, Microsoft Windows 10, Technology, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Server | Leave a comment

Truly reset the TCP/IP stack – Fix network/internet problems

Having connection issues and no viruses or malware?  Hardware OK? Try typing the following at a command prompt to fully reset the TCP/IP Stack- netsh winsock reset netsh int ip reset netsh interface ipv4 reset netsh interface ipv6 reset netsh interface … Continue reading

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Posted in Computer hardware, computer troubleshooting, Computers, help desk, Information Technology, Microsoft, Microsoft Windows, Microsoft Windows 10, Technology, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Server | Tagged , , , , , | Leave a comment

GeGeek Toolkit – An interview with Jason

Years ago we found GeGeek.com (Credit goes to Rick over at What’s on My PC) and realized that the website and Toolkit was an unreal resource and treasure for young IT Professionals. Recently we struck a conversation with Jason of GeGeek … Continue reading

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Posted in Computer Software, computer troubleshooting, Computers, Education, Free Software, Information Technology, Microsoft, Microsoft Windows, Microsoft Windows 10, Technology, troubleshooting, Windows, Windows 10, Windows 7, Windows Security, Windows Server, Wireless | Tagged , , , | Leave a comment

Running Wireshark in Linux

Are you running Wireshark in Linux?  You may have to give permission to a non-root user to sniff packets.  How do you do this? Open Terminal Next, type – sudo dpkg-reconfigure wireshark-common Enter YES in the screen that ask for … Continue reading

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Fix Windows Update errors by using the DISM or System Update Readiness tool

At an elevated command prompt (command prompt as administrator) – type  DISM.exe /Online /Cleanup-image /Restorehealth What should you try first? – Try the PowerShell post we made on an earlier date to check for updates. Open PowerShell as an Administrator … Continue reading

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Posted in computer troubleshooting, Computers, Information Technology, Microsoft, Microsoft Windows, Microsoft Windows 10, Technology, troubleshooting, Windows 10 Quick Tips | Tagged , , | Leave a comment

Understanding DNS

Here’s a couple of articles over the basics of DNS services Quick review of flushdns, registerdns, and DNS queries Active Directory Internal Naming and DNS Strategy Understanding DNS How to flush the DNS cache on Mac, Linux or Windows Lost … Continue reading

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Posted in computer troubleshooting, Computers, Home Networking, Information Technology, Microsoft, Microsoft Windows, Microsoft Windows 10, Technology, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Server | Tagged , , , | Leave a comment

vEthernet adapters left after uninstalling Hyper-V

If you have ever installed Hyper-V, you may have noticed left over vEthernet adapters.   You may also noticed that you have issues with TCP/IP.  Here’s what to do. Open a command prompt or PowerShell as an Administrator Type netcfg -d … Continue reading

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Posted in Computer hardware, computer troubleshooting, Computers, Microsoft, Microsoft Windows, Microsoft Windows 10, Technology, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1 | Tagged , , | Leave a comment

2018 Middle TN Cyber Security Conference

Registration and conference information: https://www.2018cyberconf.com/ThruHackersEyes  

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Posted in Computer Security, Computers, Education, Hacking, Information Technology, Technology, Windows Security | Tagged , , | Leave a comment

Cannot reset winsock, isatap yellow exclamation, no wireless or internet

Have a wireless card that doesn’t see the wireless?  Does checking the Device Manager show a yellow exclamation mark on the isatap or Teredo Tunneling Pseudo Interface? Always backup your computer before performing advanced commands. Steps Load the latest driver … Continue reading

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Posted in Computers, Home Networking, Information Technology, network, Networking, Windows | Tagged , , , , | 1 Comment

Privacy – Use WebRTC Network Limiter for Chrome

Other than using a VPN, you can use WebRTC Network Limiter for Chrome to help protect information that may leak on the internet. Go to IPLeak.net – Analyze your computer and follow the tips listed at the end of the … Continue reading

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Posted in computer troubleshooting, Computers, Education, freeware, higher education, Information Technology, Microsoft Windows, Microsoft Windows 10, Technology, Windows 10, windows 10 privacy, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Security | Leave a comment

Optimize MySql with MySQL Workbench

Everyone needs to keep the integrity of their database and tables optimized. How? Start MySQL Workbench and connect the software to your MySQL server. Right click on your database and select Schema Inspector Select all of the tables. Check each … Continue reading

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Posted in Business, Computer Software, Computers, Education, Free Software, freeware, higher ed, higher education, Information Technology, Linux, Microsoft, Microsoft Windows, mysql, Technology, Windows Server | Tagged , | Leave a comment

Export your drivers using PNPUTIL

Want to export your drivers so that you have them later? Open a command prompt or PowerShell as an administrator Next create a folder to hold your drivers Type pnputil /export-driver * c:\smalldriver   (This is my folder on a small … Continue reading

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Posted in Computer hardware, computer troubleshooting, Computers, Information Technology, Microsoft, Microsoft Windows, Microsoft Windows 10, Technology, troubleshooting, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1 | Tagged , , , | Leave a comment