Materials by Adam Leskis

Explore tutorials, challenges, courses, and more published by this author.

Challenges by Adam Leskis

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Challenge,  Easy

CKA Practice: Upgrade Multi-Node Kubernetes Cluster

This exercise tests your ability to safely upgrade a multi-node Kubernetes cluster from version 1.30 to 1.31 following the standard upgrade procedure.

Submissions: 35/119

Playgrounds by Adam Leskis

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Playground on  KubernetesSecurity

OWASP K8s Vulnerable Cluster

This playground presents a k3s cluster that has randomized security vulnerabilities injected based on the OWASP top 10 kubernetes list. Run a scan to find what's wrong, then fix it and get another random vulnerability automatically injected. Play as long as you like!

Playground on  CloudNetworkingKubernetes

Tailscale Homelab Access

A multi-node K3s cluster to demo connecting and troubleshooting a homelab remotely via tailscale. All username/passwords are admin/admin123

Playground on  Programming

An R Mapping Tutorial for Linguistics

Follow along with an exciting ggplot2 tutorial to map out some cool linguistic stuff!