/tags/cncf/ Recent content in CNCF on Flatcar Container Linux Hugo en-us Copyright © The Flatcar Project Contributors. Copyright © Flatcar a Series of LF Projects, LLC. For website terms of use, trademark policy and other project policies please see <a href="https://lfprojects.org/policies/">lfprojects.org/policies</a>. Thu, 27 Feb 2025 00:22:13 +0200 /blog/2025/02/learning-from-the-flatcar-dns-outage-a-post-mortem/ Thu, 27 Feb 2025 00:22:13 +0200 /blog/2025/02/learning-from-the-flatcar-dns-outage-a-post-mortem/ <p>On February 2nd and 3rd, 2025, Flatcar experienced a significant DNS outage that affected our update and release servers, as well as parts of our CI/CD infrastructure. As a result, users were unable to download new Flatcar releases, retrieve Flatcar images for several hours. The root cause was a miscommunication during a domain transfer, which led to DNS mis-configurations.</p> <p>In collaboration with the Linux Foundation (LF) IT team, we have conducted a full post-mortem analysis to understand the issue, improve our processes, and ensure greater reliability for the Flatcar community moving forward.</p>