containers Tools

90DaysOfDevOps is a comprehensive, multi-year learning path designed to guide individuals through the principles, processes, and tooling of modern DevOps. It solves the overwhelming challenge of where to begin in the vast tech landscape by offering a structured, step-by-step curriculum. Whether you are a complete beginner or an IT professional looking to upskill, this repository provides the practical knowledge needed to succeed in the industry.

This repository is a curated collection of practical exercises, labs, and interview questions covering the entire DevOps and SRE landscape. It helps engineers and job candidates prepare for real-world scenarios and technical interviews by practicing with topics like Linux, cloud platforms, CI/CD, containerization, and infrastructure as code. It's designed for DevOps engineers, Site Reliability Engineers, system administrators, and anyone looking to build or validate their skills in modern infrastructure and operations.

Cilium is an open-source, cloud-native solution that provides networking, security, and observability for containerized workloads. It solves the challenge of securing and connecting microservices in dynamic environments like Kubernetes by leveraging the Linux kernel's eBPF technology for high performance and deep visibility. It is designed for platform engineers, SREs, and security teams building and operating modern, scalable infrastructure.

witr is a CLI and TUI tool that lets you trace any process, port, container, or file back to what started it. It solves the problem of debugging mysterious system activity by visualizing the chain of events in a simulated or live environment. It's for developers and system administrators who need to understand complex system dependencies and troubleshoot issues like stuck processes or unknown listeners.