NixOS CI/CD server ("Hydra") maintenance

Scheduled Maintenance Report for Flying Circus

Completed

The scheduled maintenance has been completed.

Posted May 07, 2026 - 21:30 CEST

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.

Posted May 07, 2026 - 21:00 CEST

Scheduled

Security releases for Nix and for the Linux kernel have been published which affect our NixOS platform CI/CD server ("Hydra") that generates our Linux distribution and provides Nix channel tarballs. There will be at least one downtime of 10 minutes in this period while we apply updates, which can affect system rebuilds ("fc-manage"). Deployments might fail because of this.

The performance of running applications is not affected and package downloads are handled by our S3 object storage independently of Hydra.

Posted May 07, 2026 - 11:47 CEST

This scheduled maintenance affected: Central services.