ProxLB 1.1: Next-Level Load Balancing for Proxmox
April, April! No, even it’s the first of April – this is real! After months of development, I’m thrilled to announce the release of ProxLB 1.1.0 – thanks to my company credativ GmbH for sponsoring this project where I could work on this during my work time! It’s been quite the journey since I started this project in mid-2024, and .... [read more] |
Proxmox and Windows VMs: Why Native CPU Could Backfire
Running Windows virtual machines on Proxmox Virtual Environment (PVE) has improved dramatically over the past few years. Still, Windows guests occasionally suffer from noticeable performance issues that rarely affect Linux VMs. In almost all real-world cases, these problems can be traced back to three root causes. Missing or outdated Windows guest drivers and tools Suboptimal VM configuration (for example legacy .... [read more] |
Proxmox Backup Server Monitoring with Prometheus and Grafana
Proxmox Backup Server is an essential component for anyone running Proxmox Virtual Environment (PVE) or managing backups in a modern virtualized infrastructure. It delivers a high-performance, deduplication-enabled backup solution that ensures reliable data protection while keeping storage usage efficient. Like any critical infrastructure service, continuous monitoring of its performance and health is crucial to guarantee stable operations and fast troubleshooting. .... [read more] |
Matrix Synapse FreeBSD or Debian: SSO Made Simple with Azure
When deploying an open-source chat solution like Matrix Synapse, authentication is a critical component. Many organizations rely on centralized identity providers to manage access securely and efficiently. This is where OpenID Connect (OIDC) comes into play, enabling seamless integration with enterprise identity platforms such as Microsoft Azure Active Directory, now known as Microsoft Entra ID. By leveraging OIDC, Matrix Synapse .... [read more] |
Kleene on FreeBSD: Docker-Like Container Management with Jails and ZFS
Kleene is a container management (jail manager) platform designed specifically for FreeBSD, bringing familiar concepts from Docker while fully embracing FreeBSDs native tools and philosophy. Instead of reinventing the wheel, Kleene follows the KISS (Keep It Simple, Stupid) principle, leveraging FreeBSD’s built-in features to simplify application deployment, maintenance, and upgrades without unnecessary complexity or abstraction. By using FreeBSD’s core technologies .... [read more] |
Deploy a Kubernetes Cluster with Talos Linux in 10 Minutes
Creating and managing a Kubernetes cluster from scratch can be challenging and there’re definitely a way too many possibilities to do so in 2025. With Talos Linux, this can be done in less than 10 minutes! What is Talos Linux? Talos Linux is an operating system built specifically for Kubernetes, focusing on security, immutability, and minimalism. It is designed to .... [read more] |
FOSDEM 2025 – Reflections on the Worlds Largest Open Source Conference
FOSDEM, the Free and Open Source Developers’ European Meeting, is an annual pilgrimage for open-source enthusiasts from all over the world. What started as a small gathering in 2000, originally named the Open Source Developers of Europe Meeting (OSDEM), has grown into one of the most significant conferences dedicated to free and open-source software. The event was founded by Raphael .... [read more] |
ActivityPub Relay: Connect the Fediverse
The Fediverse is an interconnected world of diverse platforms, brought together by the ActivityPub protocol. At its heart lies a fundamental concept: decentralized, federated communication. In this environment, relays play a significant role by enhancing the reach and visibility of servers (instances) within the network. To understand why relays matter, it’s important to explore how a relay works and what .... [read more] |
DNS64 and NAT64 Gateway on Debian – IPv6-Only Internet Access Explained
As part of my BoxyBSD project, which is designed to operate on IPv6 only network connectivity, I recently implemented and provided DNS64 and NAT64 gateway support to bridge the gap between IPv6 and the legacy IPv4 world. This solution ensures that users can easily access important resources, like GitHub, which – even in 2025 – remains accessible only over the .... [read more] |
Virtualization in 2024: Opportunities and Top Solutions
The year 2024 marked a turning point for the virtualization industry. Following Broadcom’s acquisition of VMware, significant changes to VMware’s licensing model and pricing structure set off a wave of responses across the market. These changes had a profound impact on the virtualization landscape, altering long-held assumptions and forcing enterprises to re-evaluate their strategies. VMware had long been a leader .... [read more] |
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