June 17, 2026 DevOps & Administration, Proxmox Building a GitOps-Style Kubernetes Homelab on Proxmox For my new Role as DevOps Engineer, i was spending hours on video training ( Udemy, LinkedIn, YT .. ) . Even thought there is good material out there - and i want to explicit name Nana's Tech World - it is sometime cumbersome, slow paced, not on the spot. | more
June 12, 2026 DevOps & Administration vi settings for YAML files When editing YAML files for Kubernetes, Ansible, Docker Compose or CI/CD workflows, indentation mistakes are one of the easiest ways to break a configuration. | more
June 5, 2026 DevOps & Administration, Proxmox The Proxmox Update Checklist I Use in My Homelab I like Proxmox because it is reliably straightforward in the best possible way. It runs my VMs, LXCs, and test environments without making itself the center of attention. | more
May 5, 2026 DevOps & Administration, TrueNas CopyFail CVE-2026-31431 and the TrueNAS Workaround CopyFail has been all over the Linux security news lately, and for good reason. The vulnerability is tracked as CVE-2026-31431 and properly described in this blog post -> Copy Fail — CVE-2026-31431 And this one is not the usual “technically serious, but probably not relevant for my homelab” kind of bug. | more
May 5, 2026 DevOps & Administration, TrueNas Self-Hosted Forgejo Runner for Git and CI/CD Forgejo is a community fork of Gitea, created as a more independent home for self-hosted Git. A key reason to choose it over Gitea is its stronger community governance and focus on open development. | more
March 11, 2026 DevOps & Administration The Windows utilman.exe Login Bypass Explained: How It Works and Why It’s Dangerous I ran into this Windows topic while looking at account recovery and man .. was i happy! when i figured how simple this is but then i realize what it actually means for security. | more
March 3, 2026 DevOps & Administration Using Markdown on GitHub – A Practical Guide Markdown is a lightweight markup language that is widely used on GitHub. It is commonly used for README files, documentation, issues, pull requests, and wikis. | more
December 9, 2025 DevOps & Administration Github – Password authentication is not supported for Git operations Bash$ git push -u origin main remote: Invalid username or token. Password authentication is not supported for Git operations.$ git push -u origin main remote: Invalid username or token. | more
December 2, 2025 DevOps & Administration, Proxmox Unattended Windows 11 install on Proxmox using Ansible I recently transitioned from VMware ESXi and built a new server for a fresh Proxmox setup. I had no prior experience with Proxmox, but how complicated could a simple Windows installation be? | more
November 29, 2025 DevOps & Administration WARNING: Running pip as the ‘root’ user can result in broken permissions The warning is often shown when pip installing a package with sudo or in a Docker container that doesn't have a user added. | more