god-linux-mastery

What problem does it solve?

This Skill equips engineers with expert-level Linux knowledge, empowering them to navigate complex system challenges with precision and confidence.

Core Features & Use Cases

• Linux Kernel Architecture: Deep dive into kernel internals, processes, memory, file systems, and device drivers.
• Shell Scripting: Best practices in bash/zsh scripting, error handling, and argument parsing.
• Process Management: Comprehensive guide to process states, signals, and the /proc filesystem.
• File Descriptors: Understanding and managing file descriptors, including leak detection.
• Memory Analysis: Interpretation of memory usage, including OOM killer and performance analysis.
• Shell Scripting Best Practices: Essential headers, variable safety, conditionals, and error handling.
• Performance Analysis: Load average interpretation, CPU and I/O tools, and eBPF/bpftrace usage.
• eBPF and bpftrace: Tracing syscalls, file opens, and TCP connections with BCC tools.
• Cgroups v2: Resource limiting and isolation for processes and containers.
• Linux Namespaces: Isolation of process views of system resources.
• systemd: Unit file anatomy, systemctl commands, and journalctl usage.
• Networking: ip, ss, tcpdump, and nftables for network configuration and troubleshooting.
• File System Operations: Understanding inodes, permissions, ACLs, and disk usage.
• Cross-Domain Connections: Docker, Kubernetes, service mesh, and systemd socket activation.
• Quick Reference Card: Essential commands and troubleshooting steps.

Quick Start

Activate the god-linux-mastery skill to receive a comprehensive guide to Linux kernel architecture, process management, file system operations, and more.