Networking - Tag - IT Guy Journals

Installing Cilium and Multus on Talos OS for Advanced Kubernetes Networking

Luka Krapić — Tue, 05 Aug 2025 15:25:19 +0100

In a previous article, we explored deploying a highly available Kubernetes cluster using Talos OS, running on Proxmox and automated with Terraform. That setup provided a clean, immutable base for Kubernetes. However, its default networking stack—based on Flannel and kube-proxy—offers limited capabilities when it comes to modern network observability, performance tuning, or multi-interface pods.

In this guide, we’ll walk through installing Cilium as the primary CNI and Multus as a secondary CNI meta-plugin on Talos OS. This combination introduces support for advanced features such as eBPF-powered networking, per-pod visibility, and attaching pods to multiple physical or logical networks.

Building a Home Virtualization Server With Proxmox

Luka Krapić — Sat, 05 Jul 2025 19:21:00 +0200

Running a dedicated virtualization server at home is a practical way to centralize always-on workloads like self-hosted services, infrastructure tooling, or test environments. In this post, we’ll walk through one possible setup using Proxmox VE as the hypervisor, Ansible for configuration management, and Packer to create reusable virtual machine templates.

The configuration is tailored for a single-node homelab using a compact mini-PC, but the principles can be adapted to larger or different environments. All playbooks, templates, and configuration files used in this guide are available in this GitHub repository for reference and reuse.

Building SOHO Network With Ubiquiti UniFi: Step-By-Step Guide

Luka Krapić — Sun, 22 Sep 2024 16:56:47 +0100

In this guide, we’ll take you through building a segmented, secure SOHO (Small Office/Home Office) network using Ubiquiti UniFi hardware. The network will be tailored to isolate different types of traffic, set up VLANs for specific use cases, and apply strong firewall rules to protect sensitive data and infrastructure.

While the principles outlined here are generally applicable to most networks, this implementation is specifically designed for UniFi OS version 4.06 and Network Application version 8.4.62.