IT & Software

Programmable Logic Controllers (PLC) are an important pillar of today’s industries.  You may be familiar with how the design and wiring aspects of PLCs work. However, without a thorough understanding of the programming aspect, you could spend countless hours troubleshooting a problem because you may not understand how the brain of it all works.  As […]

Last updated: June 2026. Written by Josh Hutcheson. We’ve evaluated 25+ automation testing courses across every major learning platform. See our review methodology. Quick Picks — Best Automation Testing Courses (2026) Best for Selenium: Selenium WebDriver with Java & TestNG on Udemy — deepest Selenium course available, ~$15 on sale. Best for Cypress: Cypress End-to-End

Elasticsearch is an excellent tool if you’d like to build comprehensive search features for your website.  While it’s a fairly easy text-search engine to grasp, getting it to perform fast and efficiently isn’t always straightforward. Poor performance is a problem that even experienced developers grapple with, as it becomes hard to understand the causes of

Would you like to become a Windows Server Expert?  Many companies today rely on Windows Server, versions 2022 through to 2012, for their networks. If you’d like to fit into a modern system administrator role, it’s, therefore, crucial to properly learn Active Directory, which is an important pillar of server maintenance.  However, learning Windows Server

Last updated: June 2026. Written by Josh Hutcheson, OnlineCourseing editor. See our review methodology. QUICK VERDICT Bottom line: If you want a recognized credential, study for the CompTIA A+ — it is the entry-level certification hiring managers actually look for, and Mike Meyers’ TOTAL: CompTIA A+ Core 1 (4.6★, 88,700+ ratings) is the most-trusted prep

Last updated: June 2026. Written by Josh Hutcheson, OnlineCourseing editor. See our review methodology. QUICK VERDICT Bottom line: For most people, PowerShell: Step-by-step (4.7★, 7,100+ ratings, updated October 2025) is the best place to start — it is the highest-rated current course and covers both Windows PowerShell 5.1 and the cross-platform PowerShell 7. If your

Are you looking for the best Bash scripting tutorials?  Bash is an important scripting language, especially if you’re looking to learn cyber security with a view to working in a Linux environment. This is because most pentesting tools, namely Metaspoilt, Nmap, and others,  don’t have a GUI and rely only on command lines.  Moreover, without

What is the best way to learn microservices?  While there are many programming languages you could rely on when determining how you’d want to learn the microservices architecture, not all of them are always ideal.  This, therefore, means that it’s up to you to determine whether you’d like to learn Python programming, Node JS, or

Are you looking for the best Arduino courses?  The problem with many online Arduino tutorials today is that they’ll show you a fixed way to design electrical circuits with pre-determined code templates, but they’ll not go into detail and show you how to create your own code.  As a result, it becomes difficult for you

Learning Jenkins can help you automate software development and testing.  This CI tool has a fairly smooth learning curve, but without the right courses to guide you, you may not learn how to define the right heap sizes, among other shortcuts for turbocharging Jenkins’s performance.  If you’re looking to become a front-end web developer who

Would you like to become a network security expert?  If so, knowing how to make the most out of Nmap is key to figuring out how to become a pentester who can deal with today’s black hat hackers.  Today network security threats are constantly changing and becoming more sophisticated. So traditional methods of Nmap network

What are some of the best signal processing courses online?  Most students often struggle with the wrong signal processing tutorials, which fail to satisfactorily address an important statistical concept that you need to thrive, i.e. Fourier transforms.  Fourier transforms are extensively used in signal processing, and you may therefore also want to check out this