Skill Paths
Focused learning paths with curated troubleshooting scenarios.
Learn the fundamentals of Docker containers to understand how they work and how to troubleshoot them.
Build and optimize Docker images to create efficient, production-ready containers with minimal footprint.
Configure networking for Docker containers and troubleshoot connectivity issues.
Use environment variables in Linux and Docker containers to configure programs and control their behavior.
In Linux, almost everything is a file. Learn how to use file descriptors to track open files and network connections.
Learn the fundamentals of Kubernetes to understand how it works and how to troubleshoot Kubernetes issues.
Learn how to troubleshoot scheduling issues in Kubernetes.
Learn how to troubleshoot security issues in Kubernetes.
Connect Linux commands using pipes to pass output from one program as input to another, building powerful one-line workflows.
Redirect STDIN, STDOUT, and STDERR streams when running programs from the Linux shell.
Send signals to Linux processes and Docker containers to control their behavior and trigger configuration reloads.
Inspect system calls in Linux using strace to understand how programs interact with the kernel.