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9 docs tagged with "linux"

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90-Day Linux/SRE Mastery Roadmap

A 12-week phased learning plan from Linux comfort to production-grade SRE debugging skill — filesystem, processes, networking, CPU/memory, containers, and observability.

Filesystem & Storage Playbook

Deep filesystem, storage, and disk-incident debugging knowledge for production SRE work — FHS, inodes, LVM, RAID, permissions, and a full storage incident debugging playbook.

Incident Simulation Labs

10 timed production incident simulations plus 6 hands-on labs — CPU saturation, disk-full, OOM kills, SYN backlog exhaustion, cgroup throttling, DNS breakage, and more.

Linux Debugging Reference

Master outline of Linux subsystems and tools an SRE must know cold — systemd, CPU/memory/disk, networking, observability, security, containers, boot, and the practical debugging playbook.

Linux Kernel Fundamentals

Conceptual foundation of how the Linux kernel manages processes, memory, I/O, and hardware — scheduling, user/kernel space, syscalls, interrupts, context switching, and modules.

Process Management & /proc

Command-level and conceptual mastery of Linux process debugging via CLI and /proc — lifecycle, ps/top/kill, decision trees, deep scenarios, and interview Q&A.

System Performance: The Complete Guide

End-to-end reference for diagnosing Linux system performance with the USE and RED methods — CPU, memory, disk I/O, network, the standard toolkit, and interview-ready Q&A.