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Linux OS X OS X Security Tips

Selecting The Right Type Of Hard Drive For Your Needs

  When selecting the right type of hard drive for your needs, beyond speed, capacity, reliability, and any manufacturer preference, you should consider how you will use the drive itself.  For example:  Do you need a drive that will be installed in a desktop computer where the drive will be “on” most of the day, […]

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Linux OS X

Run speedtest.net From the Command Line With speedtest-cli

For years, my “goto” source for measuring internet speed has been speedtest.net. Pointing my browser to speedtest.net, and a with few mouse clicks, I got my internet speeds for the moment. The absence of “flash” has made the GUI of speedtest.net even more usable, and it seems faster. Recently, the good people at Speedtest have […]

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How To Linux OS X Tips

Use A HDTV As A Computer Monitor

For A  HDTV Computer Monitor, Size Does Matter You can use an HDTV as ac computer monitor with varying  degrees of success.  I know this statement sounds ambiguous.  This ambiguity stems from pixel density: simply put, the number of pixels used in a square inch on your screen.  TVs are designed to be seen from […]

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How To Linux OS X Tips

Putting VirtualBox To Work

What is VirtualBox? The simplest description of VirtualBox is that it is software that allows you to run another operating system (OS X, Unix, Linux, Windows, and others) in a “window”on your computer. This “window” becomes, in almost every aspect, another computer, and is commonly called a Virtual Machine (or VM). Depending upon how the […]

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How To Linux Tips

Find Available Repositories for Ubuntu

While doing research for an article, I stumbled upon a one-stop-shop for Ubuntu repositories. Quite a find, a website that has an “Ubuntu Sources List Generator” (You can find the website HERE).  Basically, in the first two drop-down boxes, “click” your country, and your Ubuntu operating system (Precise, Trusty, Wily, or Xenial).  Next, from an […]

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How To Linux Tips

Fix Apt Cannot Update Ubuntu Repositories

Cannot Access Ubuntu Repositories Last week, I tried to update the program repositories on my Ubuntu Server operating system (version 16.04).  Here is the results from my “apt-get update” command: From the graphic above showing the terminal’s output to my “apt-get update” command, you can see the repository URL’s are not being resolved, nothing is […]

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How To Linux OS X

Install Linux On VirtualBox With Mac Host

Why use a virtual machine? There are many reasons to use a virtual computer, to name a few:  Software development (configure, and see how software runs on different OS’s), secure LAN networking and/or web surfing, experimenting with different OS’s, keep using legacy software, or reuse or re-purpose old hardware.   My reasons fall into the later […]

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How To Linux Tips

UFW: The Linux Uncomplicated Firewall

Recently while monitoring traffic on my LAN, I noticed activity from URL’s and IP addresses that had somehow got past my router, and were roaming my network.  Some immediate tweaks to my router stopped that activity (at least for the time being). The event forced me to rethink security for my networked computers, and one […]

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Discussions How To Linux Tips Uncategorized

Using the Linux “Whatis” and “Man” Commands

Saying the Linux and Unix shell commands are not intuitive is an understatement of epic proportions.  It might be easier to learn Klingon.  There is help for finding out about the Linux and Unix commands however, and it is found in the unassuming commands, whatis and man.  The syntax for whatis couldn’t be simpler:  whatis […]

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How To Linux OS X OS X Security Product Reviews Tips

Use rsync To Backup Your Data On Mac OSX and Linux

The Problem: I had been backing data from my stand-alone server (Mac Pro G5 with Ubuntu Server 13.04 software) to an external USB drive on an iMac, then to a hard drive on a HP laptop with Debian OS, and finally to SkyDrive (a Microsoft cloud storage option).  I used a “Norton Commander – like” […]