July 14, 2025

Time Is Not On Your Side

 

Jazz trombonist Kai Winding first recorded the song “Time Is On My Side” with his orchestra in 1963.  Jimmy Norman added some lyrics to Jerry Ragovoy’s original, and it was later covered by soul singer Irma Thomas. 


Irma’s version caught the attention of a British rock band that often shopped for imported music in the Soho district.  They were attracted to the bluesy feel, the strong chorus and the curt dismissal of a lover.  Their single was released in the US in September of 1964, where it became the Rolling Stones first top ten hit on the Billboard Pop Singles Chart. 

At the New Orleans Jazz & Heritage Festival in May of 2024, Mick Jagger and Irma Thomas performed the song as a duet, at long last recognizing Irma’s original contribution.  In the interim, it had been covered by many well-known artists, among them Michael Bolton, Blondie, Wilson Pickett, Paul Revere and the Raiders, Patti Smith and the Moody Blues.  For more than six decades, artists have been musically proclaiming “Time Is On My Side.”


It’s not.


There comes a moment in life when our hearts have passed the midpoint of their allotted beats.  We won’t know exactly when.  On average, it occurs around heartbeat number 1,681,920,001. From that point onward time is a dwindling, valuable resource.  Since personally passing that milestone, I have been reflecting more on it.  For what it’s worth, here are a few of the things I’ve wasted my time on.


The idea of “manifesting” is centuries old.


"The mind is everything. What you think you become," - Buddha

"Your imagination is your preview of life's coming attractions" - Albert Einstein


Modern motivational authors use quotes like these to call attention to the power of intention and belief in shaping our reality.  They encourage us to manifest our destiny with focused thinking and a positive vision.  For me, it’s way too easy to morph into “innovative worrying” - the practice of inventing a frightening narrative fabricated from improbable events that are hypothesized  in my monkey brain.  I did it in High School for a full week before every oral report.  I did it in the final few weeks prior to my PhD oral qualifying exam.  A large data storage company I once worked for announced early one December that there would be a large layoff the following January, effectively ruining the holiday season for me.  I can never recoup those days of worry, although the oral reports, the qualifying exam, and even the RIF (which led me to a second career as a College Professor) all ended well. 


Perhaps I’m too proud, or intimidated, or fearful of exposing my shortcomings, but I have always had a hard time asking for help.  In my first real job after graduating from college, I was surrounded by elder statesmen of the engineering profession.  For one of my initial assignments, I spent hours calculating the critical dimensions for a part, filling half a dozen pages of green quad-ruled engineering paper with formulas and numbers.  After flipping absentmindedly through my work, one senior engineer said they had been building them like that for the past ten years, and so he was pretty sure it would work.  In a flash, my engineering master’s degree was deflated.  If only I had asked for his advice in the beginning, all that time would have been preserved for better things.  My fear of appearing dumb made me look even dumber. 


George Santayana attended Boston Latin School and Harvard College where he studied under philosopher William James.  He later became a Professor of Philosophy at Harvard where he was known for his aphorisms.  You have probably never heard of him, but you might recognize one of his best known sayings:


 “Those who cannot remember the past are condemned to repeat it.”


Studying history must be a good thing.  A favorite maxim of a former boss of mine was pithier - “it’s better to do the wrong thing than to do nothing.”  This bias for action was meant to keep us moving forward with a greater sense of urgency while not dwelling on the past.  Learning from mistakes without grinding on them is an crucial distinction I struggle with.  Research published in the Journal of Consumer Psychology shows that  dwelling on the past negatively affects our behavior, and that better self-control and more positive results come from looking forward.  Reviewing past mistakes has always created anxiety and self-doubt for me while doing little good.  Life has no rewind button.

 

I’ve taught enough classes, spoken at enough conferences, and presided over enough meetings to know the importance of “reading the room.”  I’ve also noticed that no matter how I shift the presentation to compensate, I will never meet everyone’s needs.  I’m sure this is true for all of us, no matter what the situation.  As David Foster Wallace said “Don’t waste time worrying about what others think of you. They don’t.” Our feelings are sometimes based on jealousy, regret or perhaps just a hopeless attempt to please everyone.  Bernard Baruch recommended - “Be who you are and say what you feel, because those who mind don’t matter, and those who matter don’t mind.” If you disagree with this, feel free to email me - in order to get your note properly sorted, please be sure and put the word “Spam” in the subject line.


Four years ago, my wife and I traveled to Kansas to pick up a new Shih-Tzu puppy.  We named him Tito - an acronym for Time Is Ticking Off.  Like most folks, I’ve burned through a lot of resources looking for shortcuts to help me save time, while ignoring some of the biggest time-wasters.   Tito is my daily reminder that time is not on my side, and to conserve it for the memorable things in life that matter.



July 11, 2025

Friday Freebie - Illustrations.co: Free, Customizable Illustrations for Designers and Developers



Illustrations.co is a user-friendly platform offering a wide collection of open-source vector illustrations that are free to use for personal and commercial projects. Designed with a modern and clean aesthetic, the site serves developers, designers, and marketers who need quick access to high-quality visual content without dealing with licensing headaches. The illustrations come in SVG and PNG formats, making them easy to integrate into websites, apps, presentations, and other creative work.


A standout feature of Illustrations.co is its simplicity and focus. Unlike some cluttered marketplaces or stock art platforms, this site is straightforward, emphasizing ease of download and immediate usability. Most illustrations are editable and compatible with vector graphic software like Adobe Illustrator and Figma, allowing users to tweak colors, shapes, and themes to fit their brand or style. The library covers various themes such as business, technology, health, and social media—making it versatile for a range of creative needs.




The platform promotes community engagement and open collaboration, encouraging creators to contribute their own illustrations under an open license model. This not only grows the resource pool but also supports a culture of creative sharing. For startups, educators, and developers on a tight budget, Illustrations.co is a valuable tool that helps elevate the visual quality of content while keeping costs down and workflows efficient.




Click on the image below to check it out

July 07, 2025

Validating Switch Trunk Ports With My NetAlly LinkRunner


 In any network environment, especially those with layered architectures and VLAN segmentation, properly configured switch trunk ports are essential for ensuring that traffic flows between switches without interruption. However, misconfigurations happen more often than many realize—whether due to human error, firmware updates, or changes in network topology. That’s why testing switch configurations isn't just a recommended practice—it's a necessary one to maintain a stable and secure network.

In this video, I demonstrate how I use a NetAlly LinkRunner to validate the configuration of a trunk port on a managed switch. The LinkRunner provides instant feedback on VLAN tagging, port status, and connectivity across layers 1 to 3. This helps confirm that the switch is properly tagging traffic and forwarding it as intended, ensuring that devices across VLANs can communicate without issues.

Relying solely on switch console output or network controller interfaces can be misleading. Configs may look correct on paper, but testing from the port level confirms real-world performance. The LinkRunner simplifies this by simulating a client device and offering visual confirmations of VLAN IDs, PoE status, and link speed. In this case, it revealed that the port was not passing all expected VLANs—something I wouldn’t have caught without hands-on testing.

Whether you’re onboarding new equipment, troubleshooting an outage, or verifying changes in your network, taking the time to test switch configurations with a dedicated tool like the LinkRunner gives you confidence that your infrastructure is behaving exactly as designed. It helps prevent downstream issues and provides documented proof that your network changes were verified in the field, not just in theory.



July 04, 2025

Friday Freebie - 500 hours of Cybrary & Space Summit Conference


 Cybrary has launched a significant initiative to address the global cybersecurity skills shortage by offering over 500 hours of premium training content for free through its "Cybrary Free Access" program. This move aims to bridge the gap between the high demand for cybersecurity professionals and the limited availability of accessible, high-quality training resources. The free content includes a range of courses, labs, and certification preparation materials designed to equip learners with the necessary skills to enter and advance in the cybersecurity field. (cybrary.it, cybrary.it)

The program caters to individuals at various stages of their cybersecurity careers. Beginners can benefit from foundational courses that introduce key concepts and practical skills, providing a clear starting point for those new to the industry. For those preparing for certifications, Cybrary offers access to industry-recognized certification prep courses, helping learners to not only pass exams but also understand the underlying principles required for real-world application. Advanced practitioners can explore specialized content, including courses on threat actor campaigns and common vulnerabilities, to stay updated on the latest threats and enhance their defensive strategies. (cybrary.it)

Cybrary's initiative addresses the challenges faced by aspiring and current cybersecurity professionals, such as the lack of affordable, comprehensive, and up-to-date training resources. By providing free access to a vast array of high-quality content, Cybrary empowers individuals to develop the skills needed to meet the evolving demands of the cybersecurity landscape. This effort not only supports personal career growth but also contributes to strengthening the overall cybersecurity workforce.

click the image to go check it out

June 30, 2025

Do Unmanaged Switches Break Trunk Ports? Lab Testing the Myth

 

There's a long-circulated myth in networking circles that plugging an unmanaged switch into a trunk port will "break" the network or disrupt VLAN configurations. To test this claim, I set up a lab environment using 2 #Ubiquiti EdgeSwitches configured with an active trunk port, a #TP-Link unmanaged switch, and my trusted #NetAlly LinkRunner to test connectivity. The goal was to see whether the unmanaged switch caused any real-world issues when connected to a trunk, or if this was just another piece of network folklore.

During testing, I connected the TP-Link unmanaged switch directly to an 802.1Q trunk port on the EdgeSwitch. Using the NetAlly LinkRunner, I monitored what VLANs were being received and whether DHCP responses were appropriately tagged. As expected, the unmanaged switch passed all traffic it received, treating the VLAN tags as opaque data. Devices behind the unmanaged switch only saw the native VLAN unless manually configured otherwise, but at no point did the switch “break” the trunk or interfere with tagged VLANs upstream. The trunk port continued functioning as designed, and VLAN isolation was preserved.

This test clearly demonstrates that unmanaged switches don’t inherently “break” trunk ports — they simply don’t interpret VLAN tags. The risk isn’t in network failure, but in misconfiguration or misunderstanding. If you plug a device expecting VLAN 88 into an unmanaged switch that's connected to a trunk with VLAN 1 as native, it won't behave as expected. But that's a design oversight, not a hardware failure. 

My test confirms: unmanaged switches won’t crash your trunk ports — they just need to be used wisely.



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