DevOps & Linux
How to Prepare for the CKAD Exam
·9 min read
A CKAD preparation method built around imperative kubectl fluency, timed speed drills and cluster-state verification — the habits the hands-on exam rewards.
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
RHCSA Exam Preparation Checklist
·7 min read
A task-by-task RHCSA readiness checklist for the hands-on EX200 exam — the skills to demonstrate live, exam-environment realities and a final-week review.
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DevOps & Linux
RHCE Study Plan for Linux Professionals
·7 min read
A phased RHCE study plan for RHCSA holders — build Ansible fluency for EX294 in three stages, from playbook basics to full exam-condition rehearsals.
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DevOps & Linux
CKA Exam Preparation Checklist
·7 min read
A practical CKA exam preparation checklist covering hands-on skills by domain, exam-environment setup, and final-week tasks so you book the exam with confidence.
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DevOps & Linux
CKAD Study Plan for Kubernetes Developers
·6 min read
A six-week CKAD study plan built around a developer's schedule — weekly goals, kubectl speed drills, and milestones that tell you when you're on track.
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DevOps & Linux
Best IT Certifications for DevOps Engineers
·10 min read
Moving from sysadmin or networking into DevOps? These IT certifications bridge the gap, with costs, formats and a sequence matched to your background.
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DevOps & Linux
Red Hat Certifications Explained
·12 min read
How Red Hat's certification programme works after the 2026 overhaul — five tracks, five tiers, RHCSA to RHCA, exam formats, costs and renewal rules.
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DevOps & Linux
Best Red Hat Certifications for Linux Professionals
·9 min read
Which Red Hat certification pays off most for working Linux professionals? A ranked, scenario-based verdict on RHCSA, EX294, Specialists and RHCA.
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DevOps & Linux
RHCSA vs RHCE: Which Should You Take?
·7 min read
RHCSA and RHCE test different jobs — system administration and Ansible automation. Compare scope, cost and payoff to pick the right Red Hat exam.
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DevOps & Linux
Linux Certifications Explained
·12 min read
A clear map of the Linux certification landscape — Red Hat, LPI, CompTIA and the Linux Foundation — with formats, costs, validity and how the ladders fit together.
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DevOps & Linux
Best Linux Certifications for Beginners
·7 min read
Which Linux certification should be your first? How Linux Essentials, CompTIA Linux+, LPIC-1, LFCS and RHCSA compare for newcomers, with a decision framework.
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DevOps & Linux
Best Linux Certifications for System Administrators
·7 min read
The Linux certifications that actually move a working sysadmin's career in 2026 — RHCSA, EX294/RHCE, LPIC-2 and LFCS — ranked by payoff and sequenced.
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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.