1683 ± 40 · 44 passed of 52 attempts · joined Jan 2026
Sample data. A generated account, not a real person.
52 attempts in the last twelve months · best day 3 · current streak 0 days
2026 · 28 attempts · best day 3
2025 · 24 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 |
|---|---|---|
| Ollama | 1816 | 4 |
| Logging and journald | 1808 | 5 |
| Users and permissions | 1797 | 7 |
| AI Services | 1786 | 3 |
| Kernel and performance | 1762 | 3 |
| Networking | 1745 | 5 |
| Claude Code | 1729 | 11 |
| Containers | 1707 | 2 |
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 |
|---|---|---|---|---|
| 11 Jul 2026 | The Server That Talks Too Much | passed | 3m 59s | +14 |
| 10 Jul 2026 | The Config That Breaks on a Password | passed | 8m 31s | +54 |
| 10 Jul 2026 | The Backup Script That Lies ▶ replay | failed | 14m 41s | -143 |
| 09 Jul 2026 | The Rename That Wants to Destroy | passed | 12m 40s | +44 |
| 09 Jul 2026 | The API That Vanishes on Reboot ▶ replay | passed | 9m 06s | +12 |
| 09 Jul 2026 | The Agent That Never Stops | passedpractice | 7m 27s | — |
| 08 Jul 2026 | The Client That Leaks Its Token | passed | 11m 41s | +87 |
| 09 Jun 2026 | The Reviewer Nobody Calls | passed | 9m 00s | +11 |
| 02 Jun 2026 | Theory: Claude Code theory | passed | 2m 49s | +12 |
| 01 Jun 2026 | The Client That Leaks Its Token | failed | 30m 48s | -103 |
| 31 May 2026 | The Assistant That Forgets Its Rules | passed | 10m 49s | +36 |
| 31 May 2026 | Theory: Memory and CS in Linux theory | passed | 5m 33s | +19 |
| 30 May 2026 | The Deploy That Took the Site Down | failed | 7m 47s | -189 |
| 15 May 2026 | The Site Removed From the Middle | failed | 22m 18s | -158 |
| 01 Apr 2026 | The Model That Will Not Load | passed | 6m 42s | +50 |
| 31 Mar 2026 | The Sync That Says It Worked | passedpractice | 3m 37s | — |
| 31 Mar 2026 | The Export That Leaves Its Mess Behind | passed | 7m 39s | +43 |
| 31 Mar 2026 | Theory: Claude Code theory | passed | 6m 04s | +13 |
| 30 Mar 2026 | Theory: The Model Context Protocol theory | passedpractice | 4m 39s | — |
| 30 Mar 2026 | Theory: Python for automation theory | passed | 1m 46s | +32 |