IT & Software

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

Last updated: July 2026. Written by the OnlineCourseing editorial team. See our review methodology. QUICK VERDICT Bottom line: Shell scripting is the glue of Linux and DevOps work, and a single project-based course covers what you’ll actually use. Complete Linux Bash Shell Scripting with Real Life Examples is the strongest current pick. Best for: Developers,

Last updated: July 2026. Written by Josh Hutcheson, OnlineCourseing editor. See our review methodology. QUICK VERDICT Bottom line: Learn the concepts first, then a language-specific implementation. The best vendor-neutral course is Microservices Architecture: The Complete Guide; pair it with a Spring Boot, Node, or .NET course for your stack. Best overall (concepts): Microservices Architecture: The

Last updated: July 2026. Written by the OnlineCourseing editorial team. See our review methodology. QUICK VERDICT Bottom line: Arduino is the friendliest on-ramp to electronics and physical computing, and a single project-based course gets you building real circuits fast. Arduino Bootcamp: Learning Through Projects is a solid, hands-on starting point — and the free resources

Last updated: July 2026. Written by the OnlineCourseing editorial team. See our review methodology. QUICK VERDICT Bottom line: Jenkins is still the most widely-deployed CI/CD automation server, and a single project-based course covers pipelines, plugins, and the Docker integration you’ll actually use. Learn DevOps: CI/CD with Jenkins using Pipelines and Docker is the strongest all-round

Last updated: July 2026. Written by Josh Hutcheson, OnlineCourseing editor. See our review methodology. QUICK VERDICT Bottom line: Nmap is the reconnaissance tool every network defender and penetration tester learns first, and it barely changes year to year — so a slightly older course from a strong instructor beats a brand-new one from an unknown.

The short version: for practical DSP, Udemy’s signal-processing courses (Mike X Cohen’s in particular) are the accessible route — search the Udemy catalog for current ratings. Engineering-track learners should weigh the MATLAB toolchain via our MATLAB courses guide, and EPFL’s classic DSP course remains free to audit on Coursera. Last updated: July 2026. Written by

Want to know more about the best programming languages for ethical hacking? Okay, read along and you will find out exactly what these languages are. Be honest, when you talk about hacking, I know that the first thing that pops into your mind is probably clicking one button and hacking in to the entire internet.

It’s one cool evening. You are from work and for decades you’ve been planning to hit the gym. Today seems like the perfect day. Except you don’t know where any gym is. So you pull out your smartphone, launch Google Maps and search ‘gym’. In no time, Google has a couple of options of nearby