--- title: "In focus: News and topics that move us" description: "Here we offer insights, expertise, news and concrete case studies with more context in daily application operations." language: en date: 2024-04-02 lastmod: 2024-08-21 canonical: "https://flyingcircus.io/en/about-us/blog-news/page-8" format: markdown generator: "TYPO3 LLMs.txt Extension" --- # In focus: News and topics that move us > Here we offer insights, expertise, news and concrete case studies with more context in daily application operations. # Blog & News - [ previous ](https://flyingcircus.io/en/about-us/blog-news/page-7.md) - [1](https://flyingcircus.io/en/about-us/blog-news/page.md) - [2](https://flyingcircus.io/en/about-us/blog-news/page-2.md) - [3](https://flyingcircus.io/en/about-us/blog-news/page-3.md) - [4](https://flyingcircus.io/en/about-us/blog-news/page-4.md) - [5](https://flyingcircus.io/en/about-us/blog-news/page-5.md) - [6](https://flyingcircus.io/en/about-us/blog-news/page-6.md) - [7](https://flyingcircus.io/en/about-us/blog-news/page-7.md) - 8 - [9](https://flyingcircus.io/en/about-us/blog-news/page-9.md) - [10](https://flyingcircus.io/en/about-us/blog-news/page-10.md) - [11](https://flyingcircus.io/en/about-us/blog-news/page-11.md) - [12](https://flyingcircus.io/en/about-us/blog-news/page-12.md) - [13](https://flyingcircus.io/en/about-us/blog-news/page-13.md) - [14](https://flyingcircus.io/en/about-us/blog-news/page-14.md) - [ next ](https://flyingcircus.io/en/about-us/blog-news/page-9.md) --- - [ ![](https://flyingcircus.io/_assets/6a911c5bf3697fb9dd3e353842375957/Images/place-holder-news.svg) ](/en/about-us/blog-news/details-view/nixos-the-dos-and-donts-of-nixpkgs-overlays "NixOS: The DOs and DON'Ts of nixpkgs overlays") ### [ NixOS: The DOs and DON'Ts of nixpkgs overlays ](https://flyingcircus.io/en/about-us/blog-news/details-view/nixos-the-dos-and-donts-of-nixpkgs-overlays "NixOS: The DOs and DON'Ts of nixpkgs overlays".md) Created by Christian Kauhaus | 11/07/2017 | Blog Overlays are the new standard mechanism to customize nixpkgs. They replace constructs like packageOverride and overridePackages. [ Read more ](https://flyingcircus.io/en/about-us/blog-news/details-view/nixos-the-dos-and-donts-of-nixpkgs-overlays "NixOS: The DOs and DON'Ts of nixpkgs overlays".md) - [ ![](https://flyingcircus.io/_assets/6a911c5bf3697fb9dd3e353842375957/Images/place-holder-news.svg) ](/en/about-us/blog-news/details-view/announcing-fc-userscan "Announcing fc-userscan") ### [ Announcing fc-userscan ](https://flyingcircus.io/en/about-us/blog-news/details-view/announcing-fc-userscan "Announcing fc-userscan".md) Created by Christian Kauhaus | 10/04/2017 | Blog NixOS manages dependencies in a very strict way — sometimes too strict? Here at Flying Circus, many users prefer to compile custom applications in… [ Read more ](https://flyingcircus.io/en/about-us/blog-news/details-view/announcing-fc-userscan "Announcing fc-userscan".md) - [ ![](https://flyingcircus.io/_assets/6a911c5bf3697fb9dd3e353842375957/Images/place-holder-news.svg) ](/en/about-us/blog-news/details-view/how-to-renew-puppet-ca-and-server-certificates-in-place "How to renew Puppet CA and server certificates in place") ### [ How to renew Puppet CA and server certificates in place ](https://flyingcircus.io/en/about-us/blog-news/details-view/how-to-renew-puppet-ca-and-server-certificates-in-place "How to renew Puppet CA and server certificates in place".md) Created by Christian Kauhaus | 09/01/2017 | Blog It used to run fine for years... but now the (deprecated) Puppet infrastructure at the Flying Circus is showing signs of aging. It's not about server… [ Read more ](https://flyingcircus.io/en/about-us/blog-news/details-view/how-to-renew-puppet-ca-and-server-certificates-in-place "How to renew Puppet CA and server certificates in place".md) - [ ![](https://flyingcircus.io/_assets/6a911c5bf3697fb9dd3e353842375957/Images/place-holder-news.svg) ](/en/about-us/blog-news/details-view/self-service-user-management "Self-service User Management") ### [ Self-service User Management ](https://flyingcircus.io/en/about-us/blog-news/details-view/self-service-user-management "Self-service User Management".md) Created by Christian Zagrodnick | 04/21/2017 | Blog We have prepared an update to my.flyingcircus.io which allows you to manage the users who have access to your projects, but more on that later. [ Read more ](https://flyingcircus.io/en/about-us/blog-news/details-view/self-service-user-management "Self-service User Management".md) - [ ![](https://flyingcircus.io/_assets/6a911c5bf3697fb9dd3e353842375957/Images/place-holder-news.svg) ](/en/about-us/blog-news/details-view/internal-and-external-interfaces-from-an-operations-perspective-long-read "Internal and External Interfaces From an Operations Perspective (long read)") ### [ Internal and External Interfaces From an Operations Perspective (long read) ](https://flyingcircus.io/en/about-us/blog-news/details-view/internal-and-external-interfaces-from-an-operations-perspective-long-read "Internal and External Interfaces From an Operations Perspective (long read.md)") Created by Christian Theune | 03/30/2017 | Blog We recently pitched for a project that explicitly asked for a team with experience dealing with a system that has many interfaces. I sat down and… [ Read more ](https://flyingcircus.io/en/about-us/blog-news/details-view/internal-and-external-interfaces-from-an-operations-perspective-long-read "Internal and External Interfaces From an Operations Perspective (long read.md)") --- - [ previous ](https://flyingcircus.io/en/about-us/blog-news/page-7.md) - [1](https://flyingcircus.io/en/about-us/blog-news/page.md) - [2](https://flyingcircus.io/en/about-us/blog-news/page-2.md) - [3](https://flyingcircus.io/en/about-us/blog-news/page-3.md) - [4](https://flyingcircus.io/en/about-us/blog-news/page-4.md) - [5](https://flyingcircus.io/en/about-us/blog-news/page-5.md) - [6](https://flyingcircus.io/en/about-us/blog-news/page-6.md) - [7](https://flyingcircus.io/en/about-us/blog-news/page-7.md) - 8 - [9](https://flyingcircus.io/en/about-us/blog-news/page-9.md) - [10](https://flyingcircus.io/en/about-us/blog-news/page-10.md) - [11](https://flyingcircus.io/en/about-us/blog-news/page-11.md) - [12](https://flyingcircus.io/en/about-us/blog-news/page-12.md) - [13](https://flyingcircus.io/en/about-us/blog-news/page-13.md) - [14](https://flyingcircus.io/en/about-us/blog-news/page-14.md) - [ next ](https://flyingcircus.io/en/about-us/blog-news/page-9.md)