DevOps & Linux
DevOps Certification Career Path
·11 min read
Map DevOps certifications onto real job titles — junior engineer, SRE, platform engineer and beyond — so each exam you take matches the role you want next.
Continue readingKenji Nakamura
DevOps and Linux
Kenji covers Kubernetes, Red Hat, Linux and the wider DevOps toolchain — which is to say most of the performance-based exams in the catalogue. His guides lean hard on the difference between exams you can read for and exams you have to practise for, because these are firmly the second kind.
41 guidesDevOps & Linux
DevOps & Linux
DevOps Certification Salary Guide
·7 min read
What DevOps engineers actually earn, how certifications like CKA and AZ-400 relate to pay, and how to read salary claims sceptically — with sourced 2026 figures.
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DevOps & Linux
CKAD vs CKA: Which Exam Should You Take First?
·9 min read
CKAD or CKA first? Compare scope, difficulty, curriculum overlap and career fit to pick the right starting exam — and the right order if you plan to take both.
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DevOps & Linux
Red Hat Certified Specialist Certifications Explained
·7 min read
What Red Hat Certified Specialist exams are, which product areas they cover, their strict renewal rule and how three of them build towards an RHCA.
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DevOps & Linux
How to Prepare for a Linux Certification
·7 min read
A cert-agnostic Linux study method — build a lab, drill the command line, use practice tests properly — that works for RHCSA, LFCS, Linux+ and LPIC-1.
Continue readingPut it into practice
Test what you have just read
Reading about an exam only takes you so far. Work through practice questions for your certification and find the gaps before exam day does.