this post was submitted on 03 Mar 2025
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Most certifications by vendors of specific products are a waste of time. Unless you're actively looking to be running Oracle's distro, it's going to be meaningless to employers. I actively go out of my way to avoid hiring people who list random and disparate certifications in their resume.
Certain general areas of study like CISSP or CCSP I may pay attention to if they've worked on large projects or production deployments because those are specific to an area of study and not a product.
Why though? If something from the list is relevant, decide how much of a positive it is. If it isn't then just skip, but why avoid?
Not the person you replied to, but I'm in agreement with them. I did tech hiring for some years for junior roles, and it was quite common to see applicants with a complete alphabet soup of certifications. More often than not, these cert-heavy applicants would show a complete lack of ability to apply that knowledge. For example they might have a network cert of some kind, yet were unable to competently answer a basic hypothetical like "what steps would you take to diagnose a network connection issue?" I suspect a lot of these applicants crammed for their many certifications, memorized known answers to typical questions, but never actually made any effort to put the knowledge to work. There's nothing inherently wrong with certifications, but from past experience I'm always wary when I see a CV that's heavy on certs but light on experience (which could be work experience or school or personal projects).