1650 ± 48 · 27 passed of 35 attempts · joined May 2026
Sample data. A generated account, not a real person.
35 attempts in the last twelve months · best day 3 · current streak 0 days
2026 · 20 attempts · best day 3
2025 · 15 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 |
|---|---|---|
| Networking | 1832 | 3 |
| Firewall and SELinux | 1802 | 1 |
| Users and permissions | 1792 | 5 |
| Logging and journald | 1744 | 2 |
| AI Services | 1744 | 2 |
| Model Context Protocol | 1744 | 2 |
| Containers | 1707 | 2 |
| Boot and systemd | 1681 | 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 |
|---|---|---|---|---|
| 19 Aug 2026 | The MCP Server That Never Connects | failed | 14m 58s | -126 |
| 19 Aug 2026 | The Deploy That Took the Site Down | passed | 7m 27s | +22 |
| 28 Jul 2026 | The Report That Crashes on One Name | passedpractice | 8m 54s | — |
| 27 Jul 2026 | The MCP Server That Never Connects | passed | 10m 05s | +76 |
| 26 Jul 2026 | The Site Nobody Can Reach ▶ replay | passedpractice | 15m 54s | — |
| 24 Jul 2026 | The Server You Inherited | failedpractice | 109m 19s | — |
| 23 Jul 2026 | Theory: Linux fundamentals theory | passed | 6m 28s | +25 |
| 23 Jul 2026 | Theory: Claude Code theory | passed | 6m 18s | +64 |
| 23 Jul 2026 | The Queue That Forgets Every Reboot | passed | 6m 52s | +25 |
| 22 Jul 2026 | The Backup Script That Lies ▶ replay | passed | 8m 03s | +31 |
| 19 Jun 2026 | The Playbook That Changes Everything, Every Time | passed | 8m 22s | +60 |
| 18 Apr 2026 | The Worker That Goes Silent | failedpractice | 24m 53s | — |
| 18 Apr 2026 | The Page That Gave Orders | passed | 9m 10s | +122 |
| 31 Mar 2026 | The Chatbot That Leaks Its Key | passed | 6m 12s | +58 |
| 31 Mar 2026 | The Job That Runs Twice | failed | 32m 55s | -98 |
| 26 Jan 2026 | The Backup That Skips Files | passed | 7m 13s | +42 |
| 26 Jan 2026 | The Stack That Cannot Find Its API | passed | 7m 56s | +103 |
| 25 Jan 2026 | The Cleanup That Kept the Wrong Releases | passed | 6m 31s | +93 |
| 25 Jan 2026 | Write the Report | failed | 27m 09s | -81 |
| 24 Jan 2026 | Write the Report | passed | 8m 18s | +195 |