1775 ± 36 · 71 passed of 79 attempts · joined Mar 2026
Sample data. A generated account, not a real person.
79 attempts in the last twelve months · best day 3 · current streak 1 days
2026 · 52 attempts · best day 3
2025 · 27 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 |
|---|---|---|
| Bash | 1903 | 14 |
| Python | 1902 | 12 |
| Users and permissions | 1870 | 17 |
| Boot and systemd | 1858 | 13 |
| Terraform | 1849 | 4 |
| Linux basics | 1837 | 17 |
| Model Context Protocol | 1824 | 7 |
| Logging and journald | 1819 | 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 | The Client That Leaks Its Token | failed | 14m 43s | -68 |
| 17 Sep 2026 | The MCP Server That Never Connects | failed | 25m 38s | -69 |
| 17 Sep 2026 | The Client That Leaks Its Token | passed | 15m 41s | +19 |
| 14 Sep 2026 | The Settings That Disagree | passed | 8m 12s | +34 |
| 14 Sep 2026 | Theory: Bash theory | passed | 1m 00s | +4 |
| 13 Sep 2026 | The Log That Never Rotates | passedpractice | 7m 39s | — |
| 13 Sep 2026 | The Log That Never Rotates | passed | 5m 55s | +18 |
| 23 Aug 2026 | The MCP Server That Never Connects | passed | 8m 22s | +28 |
| 23 Aug 2026 | Theory: Networking theory | passedpractice | 3m 21s | — |
| 23 Aug 2026 | The Rename That Wants to Destroy | passed | 7m 34s | +16 |
| 22 Aug 2026 | The Agent That Never Stops | passed | 6m 15s | +21 |
| 28 Jul 2026 | The Hooks That Never Fire | passed | 8m 04s | +21 |
| 26 Jul 2026 | The File Server That Shows Everything | passed | 4m 13s | +11 |
| 25 Jul 2026 | The Shared Folder That Locks People Out | passed | 8m 47s | +4 |
| 24 Jul 2026 | The Sync That Says It Worked | passed | 4m 41s | +4 |
| 23 Jul 2026 | The Deploy That Waits for a Password | passed | 12m 52s | +31 |
| 22 Jul 2026 | The Worker That Goes Silent | passed | 6m 38s | +24 |
| 21 Jul 2026 | The Backup That Skips Files | passed | 7m 55s | +5 |
| 03 Jul 2026 | The Module That Shadows the Standard Library | passed | 6m 33s | +12 |
| 03 Jul 2026 | The Site Removed From the Middle | passed | 13m 13s | +66 |