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04 · Process Management

04 · Process Management
04 · Process Management

How a Romanian Hacker Lived Inside My Server for Days (And What I Did About It)

I was doing a routine SSH login on a Friday morning when I noticed something that stopped me cold: That…

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fastandcurious · 7 min read · Apr 2026
04 · Process Management
04 · Process Management

Ticket Simulations Part 2 — SSH Disconnects, OOM Killer, Signals and /proc

Continuing from Part 1. This post covers tickets 6 through 10 from my Domain 4 Round 2 simulations — the…

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fastandcurious · 9 min read · Apr 2026
04 · Process Management
04 · Process Management

Ticket Simulations Part 1 — What I Learned Investigating Real Server Problems

This is part of my ongoing Linux learning series where I document everything I study, including the mistakes, the confusions,…

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fastandcurious · 7 min read · Apr 2026
04 · Process Management
04 · Process Management

Process Lifecycle & States

Linux Mastery Road to Cloud — Domain 4 Before We Start Every time you run a command, the kernel creates…

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fastandcurious · 11 min read · Mar 2026