Henrik Kiepe – Operations https://ops.kiepe.dev/ Operational articles and notes on Linux systems, infrastructure automation, networking and observability. More Than a New Theme: The Controlled Modernization of Relevante Ökonomik https://ops.kiepe.dev/articles/relevante-oekonomik-controlled-modernization/ https://ops.kiepe.dev/articles/relevante-oekonomik-controlled-modernization/ How a website relaunch separated migration, infrastructure renewal, staging acceptance and restore planning while leaving the archive migration for a later step. Mon, 31 Aug 2026 00:00:00 +0000 Why I Am Voluntarily Supporting Heiner Flassbeck and Relevante Ökonomik https://ops.kiepe.dev/articles/why-i-am-voluntarily-supporting-heiner-flassbeck-and-relevante-oekonomik/ https://ops.kiepe.dev/articles/why-i-am-voluntarily-supporting-heiner-flassbeck-and-relevante-oekonomik/ Why I voluntarily contribute technical infrastructure work to Relevante Ökonomik, and how reliable publishing can support independent economic debate. Sat, 29 Aug 2026 00:00:00 +0000 Running SSH securely and reproducibly on WSL2 https://ops.kiepe.dev/articles/running-ssh-securely-and-reproducibly-on-wsl2/ https://ops.kiepe.dev/articles/running-ssh-securely-and-reproducibly-on-wsl2/ A practical two-phase rollout for a key-only OpenSSH service on WSL2, including preflight checks, scoped firewall rules, an Ansible role, rollback paths and external acceptance tests. Wed, 26 Aug 2026 00:00:00 +0000 Modeling an existing nginx site safely with Ansible https://ops.kiepe.dev/articles/modeling-an-existing-nginx-site-safely-with-ansible/ https://ops.kiepe.dev/articles/modeling-an-existing-nginx-site-safely-with-ansible/ A staged workflow for bringing an already-running nginx site under Ansible without overwriting unreviewed drift or reloading an invalid configuration. Wed, 26 Aug 2026 00:00:00 +0000 DNS check after migration https://ops.kiepe.dev/notes/dns-check-after-migration/ https://ops.kiepe.dev/notes/dns-check-after-migration/ A compact operational checklist for verifying DNS behavior after moving a service, zone or reverse proxy target. Wed, 26 Aug 2026 00:00:00 +0000 DNS checks after moving a service https://ops.kiepe.dev/articles/dns-checks-after-moving-a-service/ https://ops.kiepe.dev/articles/dns-checks-after-moving-a-service/ A practical sequence for checking DNS, redirects and TLS after moving a service or reverse proxy target. Wed, 26 Aug 2026 00:00:00 +0000