1363 ± 31 · 46 passed of 94 attempts · joined Aug 2026
Sample data. A generated account, not a real person.
94 attempts in the last twelve months · best day 3 · current streak 0 days
2026 · 83 attempts · best day 3
2025 · 11 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 |
|---|---|---|
| Claude Code | 1540 | 3 |
| Firewall and SELinux | 1517 | 5 |
| Users and permissions | 1452 | 21 |
| Logging and journald | 1441 | 8 |
| Bash | 1412 | 12 |
| Model Context Protocol | 1408 | 6 |
| AI Agents | 1393 | 5 |
| AI Services | 1381 | 10 |
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 |
|---|---|---|---|---|
| 14 Sep 2026 | Theory: Memory and CS in Linux theory | passed | 6m 08s | +65 |
| 13 Sep 2026 | The Assistant That Forgets Its Rules | failed | 26m 23s | -23 |
| 13 Sep 2026 | A Message You Are Not Allowed to Read ▶ replay | passedpractice | 3m 23s | — |
| 12 Sep 2026 | The Answers From Last Year | passedpractice | 4m 26s | — |
| 12 Sep 2026 | The Job That Runs Twice | failed | 18m 52s | -7 |
| 11 Sep 2026 | The Playbook That Changes Everything, Every Time | passed | 6m 13s | +98 |
| 11 Sep 2026 | The API That Vanishes on Reboot ▶ replay | failedpractice | 9m 36s | — |
| 10 Sep 2026 | The Client That Leaks Its Token | passed | 14m 47s | +63 |
| 10 Sep 2026 | The Tool Only Root Can Run | passed | 12m 35s | +58 |
| 10 Sep 2026 | Theory: Bash theory | passed | 4m 40s | +27 |
| 27 Aug 2026 | The Hooks That Never Fire | passedpractice | 14m 06s | — |
| 26 Aug 2026 | The Config That Breaks on a Password | passed | 8m 55s | +45 |
| 26 Aug 2026 | The Agent That Never Stops | failed | 26m 53s | -28 |
| 25 Aug 2026 | The API That Vanishes on Reboot ▶ replay | passed | 7m 58s | +31 |
| 16 Aug 2026 | The Token for Someone Else | failedpractice | 24m 51s | — |
| 16 Aug 2026 | Theory: Ollama theory | passed | 5m 08s | +38 |
| 15 Aug 2026 | The Model Server Nobody Can Reach | failed | 10m 45s | -55 |
| 15 Aug 2026 | The Client That Leaks Its Token | failed | 29m 22s | -6 |
| 14 Aug 2026 | The MCP Server That Never Connects | failed | 18m 35s | -122 |
| 13 Aug 2026 | Write the Report | passed | 6m 03s | +62 |