Rydoo
Expensify
Abacus
Zoho Expense
Fyle
Nexonia
Spendesk
Happay
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.
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Rydoo is recommended for small to medium-sized businesses, as well as larger enterprises, looking for a cloud-based solution to manage employee expenses and streamline business travel. It is particularly beneficial for companies with employees who travel frequently or who have complex expense reporting needs.
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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.
Abacus - Expenses without the 'expense report'
Zoho Expense - Automate your expense reporting process and streamline the approval flow.
Fyle - Track expenses across devices on-the-go and maintain a central repository. With custom approval flows, automatic policy violation detection and an automated audit trail, be audit-ready at all times!
Nexonia - Expense Reports and Timesheets web and mobile software to track your employees business expenses and working hours