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Linux / Systems AdministrationLEVEL 1: The Startup

Seed to Series A (5–20 people)

Your Role
Solo Generalist / First DevOps Hire
Team Size
5–20 engineers
Target Environment
1–3 microservices, single cloud account, rudimentary CI

Level 2 Unlock Criteria (70% Rule)

7 OF 10 + 1 BOSS REQUIRED

Solve any 7 out of the 10 incidents (including at least 1 Boss incident) to automatically unlock Level 2.

Overall Progress0 / 7 required (0/10 total)
Boss Incidents0 / 1 required
Incidents Solved:0/7 target (0%)
Boss Incidents Beaten:0/1 (Required for unlock)

Incidents & Requests (10)

Resolve ≥70% to unlock Level 2
INCIDENT #01

Disk Full Outage: Unrotated Log Accumulation & Logrotate Config

Root partition 100% full: 'No space left on device' on api-vm-01 — Devon Reed (Senior SRE)

~8 min20 XP
INCIDENT #02

Systemd Boot Failure: Binary Path Typo in Service Unit File

api.service in failed state on VM restart: 'status=203/EXEC' — Chloe Zhao (DevOps Engineer)

~8 min20 XP
INCIDENT #03

Inode Exhaustion Outage: 0 Inodes Free Despite 80% Disk Space Available

Bizarre error: 'No space left on device' but df -h shows 40GB free! — Elena Rostova (Senior Infrastructure Engineer)

~8 min20 XP
INCIDENT #04

Permission Denied: Nginx 403 Forbidden File Mode Mismatch

Nginx returning 403 Forbidden for all static assets on web-01 — Carlos Gomez (DevOps Engineer)

~8 min20 XP
INCIDENT #05

Socket Conflict: Abandoned Zombie Process Holding Port 8080

Backend server startup fails: 'bind: address already in use 0.0.0.0:8080' — Lila Chen (Site Reliability Engineer)

~8 min20 XP
INCIDENT #06

Silent Cron Failure: Minimal PATH Variable in Crontab Environment

Nightly PostgreSQL backups are missing: cron failing with 'pg_dump: command not found' — Devon Reed (Senior SRE)

~8 min20 XP
INCIDENT #07

Kernel Tuning: Ephemeral Port Exhaustion & TIME_WAIT Sockets

API proxy failing outbound calls: 'Cannot assign requested address' (EADDRNOTAVAIL) — Maya Lin (CISO)

~8 min20 XP
INCIDENT #08

Sudoers Syntax Error: Broken Sudo Privileges & visudo Validation

Sudo is broken on build-01: '>>> /etc/sudoers.d/deploy: syntax error <<<' — Lucas Meyer (DevSecOps Lead)

~8 min20 XP
INCIDENT #09BOSS OUTAGE

Boss: Severe OOM Thrashing — Runaway ETL Memory Leak & Swap Starvation

SEV-1: Database and API VM freezing under severe memory exhaustion — VP of Engineering (Incident Commander)

~15 min50 XP
INCIDENT #10BOSS OUTAGE

Boss: Production SSH Lockout — Hardened SSHD Port & Firewall Mismatch

OUTAGE: Engineers locked out of bastion server after SSH hardening script executed — Maya Lin (CISO)

~15 min50 XP