1618 ± 29 · 78 passed of 106 attempts · joined Nov 2025
Sample data. A generated account, not a real person.
106 attempts in the last twelve months · best day 3 · current streak 0 days
2026 · 69 attempts · best day 3
2025 · 37 attempts · best day 3
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 |
|---|---|---|
| Python | 1784 | 12 |
| Model Context Protocol | 1773 | 9 |
| Firewall and SELinux | 1683 | 5 |
| Boot and systemd | 1682 | 25 |
| Containers | 1680 | 3 |
| Networking | 1667 | 13 |
| AI Agents | 1615 | 11 |
| Logging and journald | 1615 | 7 |
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 |
|---|---|---|---|---|
| 05 Sep 2026 | The Token for Someone Else | passed | 8m 18s | +22 |
| 06 Aug 2026 | The Backup That Skips Files | passed | 4m 29s | +10 |
| 05 Aug 2026 | Theory: Ollama theory | passed | 5m 42s | +21 |
| 04 Aug 2026 | The Shared Folder That Locks People Out | passedpractice | 4m 11s | — |
| 04 Aug 2026 | The Server You Inherited | passedpractice | 42m 52s | — |
| 03 Aug 2026 | The Chatbot That Leaks Its Key | passed | 8m 14s | +36 |
| 02 Aug 2026 | The Cleanup That Kept the Wrong Releases | passed | 10m 36s | +20 |
| 25 Jul 2026 | Theory: Claude Code theory | passed | 4m 16s | +12 |
| 25 Jul 2026 | The Worker That Goes Silent | passed | 9m 20s | +31 |
| 24 Jul 2026 | The Shared Folder That Locks People Out | passed | 7m 29s | +9 |
| 24 Jul 2026 | The Deploy That Waits for a Password | failed | 16m 03s | -48 |
| 24 Jul 2026 | The Rename That Wants to Destroy | passed | 13m 18s | +96 |
| 23 Jul 2026 | The Report That Crashes on One Name | passed | 5m 33s | +18 |
| 23 Jul 2026 | The Job That Runs Twice | passed | 7m 25s | +33 |
| 23 Jul 2026 | The Sync That Says It Worked | passedpractice | 5m 21s | — |
| 22 Jul 2026 | The Tool Only Root Can Run | passedpractice | 14m 14s | — |
| 22 Jul 2026 | The Volume That Filled Overnight | passedpractice | 8m 12s | — |
| 21 Jul 2026 | The Server You Inherited | failed | 85m 10s | -10 |
| 21 Jul 2026 | The Page That Gave Orders | passed | 9m 26s | +28 |
| 10 Jul 2026 | The Shared Folder That Locks People Out | passed | 7m 49s | +12 |