Fyle
Expensify
Zoho Expense
Spendesk
Abacus
Rydoo
Happay
Nexonia
KubeMastery
KodeKloud
I wanted to learn Kubernetes, but the options were either "build a local lab" or pay for expensive classes built around cloud environments. I wanted something you could just open and learn from. So I built a browser-based cluster simulation with lessons to follow along.
It behaves like Kubernetes, but it's just JavaScript under the hood. Enough to run kubectl commands, create resources, and watch their lifecycle play out. There's also a live cluster visualizer so you can see your nodes, Pods, and containers in real time.
Once you've covered the concepts, you can jump into CKA drills. Each drill is a standalone, time-boxed scenario that mirrors the real exam format: a broken cluster state, a concrete task, and a pass-or-fail outcome.
The goal isn't to simulate the exam. It's to build the reflex of diagnosing and fixing things quickly, so that when you sit the real exam, the commands and the reasoning are already automatic.
Fyle
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Expensify - Import expenses directly from a credit card to create free expense reports quickly. Approve reports online and reimburse directly to a checking account with one click.
KodeKloud - We are a fast growing EdTech startup on trending technologies in IT and Cloud Computing.
Zoho Expense - Automate your expense reporting process and streamline the approval flow.
Spendesk - Smart spending solution for agile teams
Abacus - Expenses without the 'expense report'
Rydoo - Rydoo is a Travel and Expense management system.