https://kyriakos.papadopoulos.tech/categories/infrastructure/ Recent content in Infrastructure on Kyriakos Papadopoulos https://kyriakos.papadopoulos.tech/images/profile.webp https://kyriakos.papadopoulos.tech/images/profile.webp Hugo -- 0.147.0 en-us Fri, 24 Apr 2026 00:00:00 +0000 https://kyriakos.papadopoulos.tech/projects/agentic-chatops/ Tue, 07 Apr 2026 00:00:00 +0000 https://kyriakos.papadopoulos.tech/projects/agentic-chatops/ Three agentic subsystems that triage alerts, investigate root causes, and propose fixes across 310+ objects and 6 sites — human always in the loop. https://kyriakos.papadopoulos.tech/projects/ipougrs/ Sun, 15 Mar 2026 00:00:00 +0000 https://kyriakos.papadopoulos.tech/projects/ipougrs/ An IETF Internet-Draft specifying IP datagram transmission over unanswered GSM ring signals. 1.6 bps. Eight phones. No one answers. This is the physical layer. https://kyriakos.papadopoulos.tech/projects/meshsat/ Wed, 04 Mar 2026 00:00:00 +0000 https://kyriakos.papadopoulos.tech/projects/meshsat/ Open-source gateway bridging Meshtastic LoRa mesh networks to Iridium satellite via SBD. One device, unlimited mesh nodes, €15/month. https://kyriakos.papadopoulos.tech/projects/multi-site-kubernetes-bgp/ Tue, 16 Dec 2025 00:00:00 +0000 https://kyriakos.papadopoulos.tech/projects/multi-site-kubernetes-bgp/ Hybrid Kubernetes cluster spanning four European countries with BGP anycast routing for global traffic distribution and automated failover https://kyriakos.papadopoulos.tech/projects/gitops-homelab/ Sat, 01 Nov 2025 00:00:00 +0000 https://kyriakos.papadopoulos.tech/projects/gitops-homelab/ GitOps-driven homelab managing network devices, virtualization, Kubernetes, Docker services, and backup systems through a single pipeline https://kyriakos.papadopoulos.tech/projects/home-assistant-ha/ Tue, 01 Apr 2025 00:00:00 +0000 https://kyriakos.papadopoulos.tech/projects/home-assistant-ha/ Fault-tolerant, high-performance smart home stack with Pacemaker clustering, DRBD storage, and zero single points of failure https://kyriakos.papadopoulos.tech/projects/nextcloud-ha/ Sun, 01 Dec 2024 00:00:00 +0000 https://kyriakos.papadopoulos.tech/projects/nextcloud-ha/ Fully self-hosted, fault-tolerant Nextcloud cluster with Galera-MariaDB, Redis Sentinel, and HAProxy load balancing https://kyriakos.papadopoulos.tech/projects/gpu-homelab/ Sat, 01 Feb 2025 00:00:00 +0000 https://kyriakos.papadopoulos.tech/projects/gpu-homelab/ High-performance multi-purpose homelab with RTX 3090 Ti for AI inference, media transcoding, and cloud gaming on Proxmox https://kyriakos.papadopoulos.tech/projects/portfolio-site/ Tue, 16 Dec 2025 00:00:00 +0000 https://kyriakos.papadopoulos.tech/projects/portfolio-site/ The site you're on. Hugo static site with a status page where visitors can kill real VPN tunnels and watch the infrastructure fail over. https://kyriakos.papadopoulos.tech/posts/home-assistant-ha/ Tue, 15 Apr 2025 00:00:00 +0000 https://kyriakos.papadopoulos.tech/posts/home-assistant-ha/ Building a fault-tolerant smart home stack with Pacemaker, DRBD, and zero cloud dependencies https://kyriakos.papadopoulos.tech/posts/multi-site-kubernetes-bgp/ Wed, 18 Dec 2024 00:00:00 +0000 https://kyriakos.papadopoulos.tech/posts/multi-site-kubernetes-bgp/ How I connected Kubernetes clusters across 4 countries with my own ASN, BGP peering, and perhaps too many IPsec tunnels