Author Archives: TCAT Shelbyville IT Department

About TCAT Shelbyville IT Department

The Tennessee College of Applied Technology - is one of 46 institutions in the Tennessee Board of Regents System, the seventh largest system of higher education in the nation. This system comprises six universities, fourteen community colleges, and twenty-six Applied Technology Colleges.

Brute Force Username and Passwords with Ncrack – Security / Educational

Disclaimer: You must own or have permission to run Ncrack on any network or device.  This post is used for educational purposes. IT admin personnel can test different devices and their setups with ncrack.  If devices are set up in … Continue reading

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Posted in Computer Security, Education, Free Software, Hacking, Information Technology, IoT, Technology | 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

GeGeek Toolkit Review 2018 ver. 11.41

We did a review of GeGeek’s Toolkit back in 2014 after hearing about the website and toolkit from Rick over at “What’s On My PC’.  Recently, Jason of GeGeek reached out to us and gave us the latest release of … Continue reading

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Posted in Computer Software, computer troubleshooting, Free Software, freeware, Software, Technology, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1 | Tagged , , , , , | Leave a comment

Reset and Fix Windows Updates

Originally posted on TCAT Shelbyville – Technical Blog:
The following commands help to reset Windows Update History along with resetting and re-registering components.  Open an elevated command prompt and type (or copy and paste) the following (in italics)- (References below…

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BackBox – What is it and how do I update it?

BackBox is more than an operating system, it is a Free Open Source Community Project with the aim to promote the culture of security in IT environment and give its contribute to make it better and safer. BackBox Linux is … Continue reading

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Posted in Computer Security, Computer Software, higher ed, higher education, Information Technology, Linux, Software, Technology | Tagged , , , | Leave a comment

A few Wireshark Filters

Originally posted on TCAT Shelbyville – Technical Blog:
Want to analyze your network?  Some of the top filters for Wireshark are below.  This by no means is a user guide for Wireshark which is the best freeware protocol analyzer available.…

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IO Graphs in Wireshark-TCP Spurious Retransmission events

TCP Spurious Retransmissions may be seen from time to time when using Wireshark.  How do you see them?  Capture some data with Wireshark on your workstation or server.  Click on Statistics, IO Graphs and click throughout the graph on the … Continue reading

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Posted in computer troubleshooting, Home Networking, Information Technology, network, Networking, Technology, troubleshooting, Wireless | Tagged , , | Leave a comment

Why hiding your SSID is not secure.

Have you heard that hiding your SSID is a good idea?  Think again. With BackBox or Kali (in fact in form of Linux), you can run sudo airodump-ng phy1.mon at a terminal (replace phy1.mon with your network card number) – onboard … Continue reading

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Posted in Computer Security, higher ed, Home Networking, Information Technology, internet security;, network, Networking, Technology, 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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Posted in Computer Security, Computers, Free Software, freeware, higher education, Linux, Technology | Tagged , , | Leave a comment

Windows 10 Cleanup

Looking for cleanup in Windows 10.  Look under Settings, System, Storage and click on Free up space now.

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Posted in Microsoft, Microsoft Windows, Microsoft Windows 10, Technology, Windows 10, Windows 10 Quick Tips | Tagged , , | Leave a comment

Manage bandwidth under Group Policy

Do you have several dozen or more computers in your organization?   Perhaps your organization is too small for an update server.   Here’s something that you can do to Windows 10 pro to control bandwidth during updates. Open the Group Policy … Continue reading

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Posted in Microsoft, Microsoft Windows, Microsoft Windows 10, Technology, Windows, Windows 10, Windows 10 Quick Tips | Tagged , | Leave a comment

I get a “stopped working” error when I start Office applications on my PC

You might get this error when you start the Office 2016 or Office 2013 versions of Excel, Word, Outlook, PowerPoint, Publisher, or Visio on your PC: Microsoft Excel has stopped working. Microsoft Word has stopped working. Microsoft Outlook has stopped … Continue reading

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Posted in Microsoft, Microsoft Office, Technology, troubleshooting | Tagged , , | Leave a comment

News – August 16th

There’s always some kid out there better at hacking than a Russian team over seas. https://motherboard.vice.com/en_us/article/mb44nn/autralian-teen-hacked-apple-network The dark and deep web https://winteriscoming.net/2018/08/16/pirates-selling-hundreds-passwords-hbo-go-services-dark-web/ https://thehackernews.com/2018/08/google-chrome-vulnerability.html https://thehackernews.com/2018/08/microsoft-office365-phishing.html Even the rich and intelligent can be caught. https://thehackernews.com/2018/08/microsoft-reveton-ransomware.html https://thehackernews.com/2018/08/man-in-the-disk-android-hack.html Thanks Stephen!

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News-August 15th

News-August 15th https://www.bleepingcomputer.com/news/security/chrome-bug-lets-attackers-steal-web-secrets-via-audio-or-video-html-tags/ https://www.pcgamer.com/grab-a-960gb-solid-state-drive-for-only-dollar127/ https://www.networkworld.com/article/3298157/linux/linux-and-l1tf.html More IEEE standards?? http://theinstitute.ieee.org/resources/standards/seven-ieee-standards-projects-provide-ethical-guidance-for-new-technologies https://www.pcworld.com/article/3297965/hardware/these-deeply-discounted-256gb-sandisk-flash-drives-give-you-ssd-sized-storage-on-the-go.amp.html#amp_tf=From%20%251%24s Okay this has nothing to do with IT or computer technology but it’s actually quite interesting. https://www.forbes.com/sites/trevornace/2018/08/15/scientists-develop-lab-made-mineral-that-will-suck-co2-from-the-atmosphere/ These Are the 25 Highest-Paying Jobs in the U.S. Right Now http://flip.it/Tx4jsM Since … Continue reading

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Are you leaking DNS information?

Are you leaking DNS Information? “Under certain conditions, even when connected to the anonymity network, the operating system will continue to use its default DNS servers instead of the anonymous DNS servers assigned to your computer by the anonymity network. DNS … Continue reading

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Posted in Apple, Computer Security, Education, Information Technology, Linux, Mac, Technology, Windows | Tagged , | Leave a comment

DEF CON 2018: Critical Bug Opens Millions of HP OfficeJet Printers to Attack

From Def Con 2018- Critical bug opens millions of HP OfficeJet printers to attack – more from ThreatPost

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At Last, The Secret to Satellite Internet Security is Revealed

Originally posted on What's On My PC:
This is a Guest Post by Allen Jame, who is a follower of “What’s On My PC”. Thank you Allen for sharing your expertise on Satellite Internet Security with my readers… Satellite…

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Multi-session remote access to Windows 10 Enterprise?

Multi-session remote access to Windows 10 Enterprise? Probably – Up to 10 simultaneous connections according to Computerworld. Read more

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Posted in Business, computer troubleshooting, Education, help desk, Information Technology, Microsoft, Technology, Windows, Windows 10, Windows 10 Quick Tips | Tagged , | Leave a comment

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

Can’t update Windows? Try PowerShell

Open PowerShell as an Administrator Type the following- Install-Module PSWinodwsUpdate Get-WindowsUpdate Install-WindowsUpdate

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Posted in Information Technology, Microsoft Windows, Microsoft Windows 10, Technology, Windows, Windows 10, Windows 10 Quick Tips, Windows Server | Tagged , , , | Leave a comment