1388 ± 45 · 18 passed of 39 attempts · joined Dec 2025
Sample data. A generated account, not a real person.
39 attempts in the last twelve months · best day 3 · current streak 0 days
2026 · 36 attempts · best day 3
2025 · 3 attempts · best day 2
Nineteen axes, from the EX200 and EX342 objectives plus the automation subjects. A topic never attempted sits at the centre — point at an axis for its numbers.
| Topic | Rating | Labs |
|---|---|---|
| Logging and journald | 1675 | 1 |
| Containers | 1675 | 1 |
| Networking | 1608 | 3 |
| Firewall and SELinux | 1599 | 1 |
| Bash | 1599 | 1 |
| Model Context Protocol | 1435 | 2 |
| AI Services | 1418 | 6 |
| Users and permissions | 1412 | 5 |
Click an attempt to open it. Rated attempts moved the number on the left; the ones marked practice are unrated — recorded, not counted.
| When | Work | Result | Time | Rating |
|---|---|---|---|---|
| 17 Sep 2026 | Theory: Ollama theory | passed | 5m 37s | +66 |
| 17 Sep 2026 | The File Server That Shows Everything | passed | 4m 33s | +84 |
| 17 Sep 2026 | Theory: Claude Code theory | failed | 1m 08s | -71 |
| 04 Sep 2026 | Theory: Networking theory | passed | 2m 06s | +69 |
| 04 Sep 2026 | The Module That Shadows the Standard Library | failed | 22m 58s | -38 |
| 03 Sep 2026 | The Stack That Cannot Find Its API | failedpractice | 11m 05s | — |
| 02 Sep 2026 | The Shared Folder That Locks People Out | failedpractice | 16m 33s | — |
| 01 Sep 2026 | The Tool Only Root Can Run | failedpractice | 16m 05s | — |
| 01 Sep 2026 | The Rename That Wants to Destroy | failed | 13m 04s | -91 |
| 31 Aug 2026 | Theory: Bash theory | passed | 4m 12s | +99 |
| 14 Jun 2026 | The Assistant That Forgets Its Rules | failed | 25m 08s | -47 |
| 14 Jun 2026 | The Reviewer Nobody Calls | failed | 11m 52s | -105 |
| 14 Jun 2026 | The Stack That Cannot Find Its API | passed | 10m 28s | +171 |
| 13 Jun 2026 | The Report That Crashes on One Name | failed | 14m 38s | -55 |
| 13 Jun 2026 | The Job That Works on My Machine | passed | 2m 09s | +37 |
| 03 May 2026 | Theory: Ollama theory | failed | 4m 21s | -136 |
| 12 Apr 2026 | The Contractor Who Cannot Write ▶ replay | passed | 2m 09s | +25 |
| 12 Apr 2026 | The Job That Works on My Machine | passed | 3m 44s | +61 |
| 11 Apr 2026 | The Shared Folder That Locks People Out | failed | 9m 49s | -180 |
| 10 Apr 2026 | The Stack That Cannot Find Its API | failedpractice | 15m 13s | — |