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Releases and a symlink: the switch as one operation

The current directory the systemd course uses without defining it, and why ln -sfn is enough on Ubuntu.

26 minutesTechnical content last reviewed on 3 Aug 2026

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What this lesson builds

  • Deploying a version you can switch back from
  • Running a service under systemd, from first start to automatic recovery
Releases and a symlink: the switch as one operation | Kill -9 Club