Category Archives: Ubuntu

Network Switches – Avoid Daisy-Chains

When you are networking computers, wireless access points, printers and other nodes in multiple rooms, try to avoid daisy-chaining switches or using small 4-8 port switches when you are in a hurry.  Replace any hubs on your network as soon … Continue reading

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Security Onion- IDS, NSM, and log management

What if you want an IDS system that monitors malicious activities and provides you with logs (Network Security Monitoring) and graphs to help protect your network?  And what if you want an easy setup that provides you with information that … 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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Need a small wireless access point or wireless router?

Here’s one of the smallest, feature packed and powerful routers for under $30.  The NetShair Nano by iogear offers some of the most features money can buy.  Here’s how it works (interactive).   (Thanks Jeremy for bringing it in!) Compact … Continue reading

Posted in Computer hardware, Computers, Home Networking, network, Networking, Technology, Ubuntu, Windows, Wireless | Tagged , , , , | 1 Comment

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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October is National Cyber Security Awareness Month

National Cyber Security Awareness Month (NCSAM) – celebrated every October – was created as a collaborative effort between government and industry to ensure every American has the resources they need to stay safer and more secure online. Free Security Check … Continue reading

Posted in Apple, Business, Computer Security, Computers, Education, Information Technology, Linux, Medical, network, Networking, Technology, Ubuntu, Windows | Tagged , , , , , , , , , | 1 Comment

A wireless printer for home and small businesses

Need a good wireless printer for your home or office? Samsung has a line of wireless printers that can’t be beat.   We are always asked if there is a printer that supports tablets, smartphones, and computers.  The SCX-3405w series … Continue reading

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CIT Continues Advanced Training on Airfiber AF24s

The Computer Information Technology class continues to receive advanced training on the Ubiquiti AF24 Airfiber.  The Ubiquiti AF24 Airfiber is a hi-power, linear 2X2 MIMO radio with enhanced receiver performance and reliability.  The AF24 has a breakthrough speed of 1.4+ … Continue reading

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Emsisoft Free Emergency Kit vs. Java Exploit

Mickey was repairing a computer and got a first hand look at a computer with a few viruses on it.  Here’s a some screenshots he shared with me during his long tireless battle.   After endlessly working with and fighting … Continue reading

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Setting the optimal MTU inside of your router

How you find the optimal MTU settings is truly a matter of opinion.  Here is what we do…remember setting firewalls, routers and your computer will truly tweak out your connection.  Start on the outside and change your router or firewall … Continue reading

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VMware Player Review – Virtualization that’s easy

VMware Player allows for the installation of a virtual machine onto your workstation.  This means of creating a second operating system within your operating system allows you to test or use an operating system of your choice.  The user-friendly interface … Continue reading

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Linux Kernel Host Kernel.org Breached

The site that hosts the Linux kernel’s source code, Kernel.org was compromised earlier this month. The discovery was made on August 28th, and steps are being taken now to enhance security for the site and recovery is underway…read more on ReadWrite Enterprise

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Install the device manager in Ubuntu

Want to have your own device manager in Ubuntu? Here’s the solution!

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Ubuntu – Speed up Application Launch

I have Unix experience that goes back a dozen years.   After restarting the Linux fad that is going on, I found my Unix skills coming back.  I was very impressed that Linux had finally gotten their act together and loaded … Continue reading

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