Category Archives: Networking

How to flush the DNS cache on Mac, Linux or Windows

If websites are not appearing correctly, connections time out or if you cannot find a computer on a network, you may need to flush the DNS cache.  Here’s how to do it- Microsoft Windows – Go to a command prompt … Continue reading

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Posted in Apple, Computers, Education, Home Networking, Information Technology, Linux, network, Networking, Technology, Ubuntu, Windows | Tagged , , , , , | Leave a comment

Create a roaming profile – Windows 7, 8, 10 with Server 2008 R2

Attached are guides on creating a roaming profile with Windows 7 and Server 2008 r2. (Thanks to Mr. Ledlow for creating these) Guides are in PDF Step One Create a User on the Domain Step Two Creating a Folder on … Continue reading

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Posted in Computers, help desk, Information Technology, Microsoft, Microsoft Windows, Microsoft Windows 10, Networking, Organizations, Technology, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1 | Tagged , , , , | Leave a comment

Are your IoT devices visible from the internet?

BullGuard has a scanner that quickly scans your public IP address and ‘sees’ if your network has open ports that could pose a threat to you or even the internet.  Here’s the link to see if you have something that … Continue reading

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Posted in Apple, Business, Computer Security, Computers, Education, Hacking, Hardware, higher ed, higher education, Information Technology, Internet, Internet of Things, internet security;, IoT, Linux, Mac, Microsoft Windows, Mobile Computing, network, Networking, Technology | Tagged , , , , , | Leave a comment

Cannot access computer by NetBios name after replacing NIC card

If you have ever replaced a network card on a server or computer and you can no longer access the computer, you should flush any cache on the workstation that is accessing the server. Insure no other users are logged … Continue reading

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

When engineers don’t think about the technicians

Recently my niece dropped her laptop and the hard drive stopped working.   Normally an easy fix, I looked for the access panel for the hard drive so that I could replace it.   What? No access panel?  Oh, easy fix, lets … Continue reading

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Posted in Computer hardware, Computer Security, Computers, Information Technology, Mobile Computing, network, Networking, Windows | Tagged , , , , | 1 Comment

Tomato Cache Optimization with DNSMasq and DNS Benchmark

Want to speed up your internet’s resolution of websites?  One way is to flash your router with Tomato (Tomato is Linux core firmware for many routers that provides advanced features.) or other open source firmware.  Below is an example of … Continue reading

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Posted in Home Networking, network, Networking, Technology | Tagged , , , , , | 1 Comment

Enable SSH on your Router

SSH is a secure way to program your router remotely.  SSH provides the encryption you need to avoid MtM (Man in the Middle Attacks). In many routers, you’ll find SSH under the Administration menu.   This can be enabled to … Continue reading

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Tomato firmware themes

Want to make your router’s theme where it is easier to read?  Tomato has the ability to download themes under  Administration and TTB ID. You can view a gallery of different themes you can download by clicking on the themes … Continue reading

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Wireless Dropping? Change your Scan Valid Interval

Is your Wireless dropping?  Update your driver of course and then try changing your Scan Valid Interval.   By default, most wireless cards are set to 60.   This is the amount of time before your wireless ‘looks’ for other … Continue reading

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Posted in Home Networking, Networking, Technology, Wireless | Tagged , , | 2 Comments

Remove Viruses with Boot Utility

If you work on computers, you need to be aware of SARDU and its ability to download recovery ISOs.   This utility can create a boot DVD or USB to remove viruses, recover Windows or break passwords (legally if the … Continue reading

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Posted in Business, Computer Security, Computers, Education, freeware, Information Technology, Networking, Software, Technology, Windows | Tagged , , , , , | Leave a comment

Monitor your Hyper-V machines with this monitoring app

Want to monitor your Hyper-V machine’s resources?  TMurgent Technologies has an app that does just that. HyperV_Mon monitors physical, logical, virtual performance and more.

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Check your router’s security – F-Secure Router Check

Has your router been compromised?  Is it secure?  With F-Secure’s Router Check, you can check to see if your router provides a secure connection to the internet. Many routers today are older and some manufacturers have abandoned firmware updates.   … Continue reading

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Protecting your network by pen testing it

This post is for educational purposes and any use of these tools against a network without explicit permission could be illegal.   Metasploit is designed to identify weaknesses in networks and hardware/software on a network.  Do NOT use metasploit for … Continue reading

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Posted in Apple, Computer Security, Computers, Education, freeware, Hacking, Information Technology, Linux, network, Networking, Software, Technology, Ubuntu, Windows | Tagged , , , , , , , , , , , , | Leave a comment

A few Wireshark Filters

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. Want to see if your traffic is efficient? … Continue reading

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Someone is stealing your data – through your printer

Have you protected your Wi-Fi? Turned on your firewall? Got your Updates? If you answered yes, that’s good. But did you know that someone may be able to steal your last print jobs?  Of course this depends on your printer. … Continue reading

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Best Free Wi-Fi Tools

One of the best wi-fi tools you have on your Windows based computer is netsh.   Netsh can be used to find out information about wi-fi. Open a command prompt and you can use these tools… netsh wlan show networks … Continue reading

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AlphiMAX PTP Estimator provides an excellent way to align your wireless antennas

Need an excellent program to estimate your wireless bridges from building to building?  AlphiMAX provides an excellent online program to estimate your wireless links. Sign up is easy and fast.  The PTP Estimator requires that you have the Latitude and … Continue reading

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Posted in Apple, Computer hardware, Computers, Education, freeware, Information Technology, network, Networking, Technology, Windows, Wireless | Tagged , , , , , , | 1 Comment

Diagnose your network and view network packets with Microsoft’s Message Analyzer

Microsoft’s Message Analyzer enables you to capture, display, and analyze network traffic.   This software even allows payload rendering in order to see pictures and other data. Download Here

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Posted in Computer Security, freeware, Information Technology, network, Networking, Software, Technology, Windows, Wireless | Tagged , , , , , | Leave a comment

Going to take a certification that involves binary?

Going to take a certification that involves binary? Here’s a quick tutorial~ Let’s say you are given an IP address of 192.168.1.135 in an answer. What is this number in binary? Here’s what you do. Take a simple key to … Continue reading

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Posted in Computer Security, Education, freeware, Information Technology, network, Networking, Technology, Windows | Tagged , , , , , | Leave a comment

The easy way to subnet your network

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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Posted in Computer Security, Computers, Hacking, Information Technology, network, Networking, Technology, Wireless | Tagged , , , , , , , , , , , | 2 Comments