https://www.robert-jensen.dk/tags/networking/Recent content in Networking on Robert-Jensen.dkHugo -- gohugo.ioenWed, 26 Mar 2025 12:00:00 +0100https://www.robert-jensen.dk/posts/2025/fix-loadbalancer-services-not-working-on-single-node-talos-kubernetes-cluster/Wed, 26 Mar 2025 12:00:00 +0100https://www.robert-jensen.dk/posts/2025/fix-loadbalancer-services-not-working-on-single-node-talos-kubernetes-cluster/Step-by-step guide to fixing LoadBalancer services on single-node Talos Kubernetes clusters by modifying node labels for both Cilium and MetalLB implementations.https://www.robert-jensen.dk/posts/2025/multiple-traefik-instances-single-docker-host/Wed, 19 Mar 2025 12:00:00 +0100https://www.robert-jensen.dk/posts/2025/multiple-traefik-instances-single-docker-host/How to run multiple Traefik instances on the same Docker host and selectively route containers to different proxies using labelshttps://www.robert-jensen.dk/posts/2025/securely-exposing-services-with-traefik-and-tailscale/Mon, 10 Mar 2025 12:00:00 +0100https://www.robert-jensen.dk/posts/2025/securely-exposing-services-with-traefik-and-tailscale/Step-by-step guide to creating a secure gateway for self-hosted services using Traefik reverse proxy with Tailscale VPN, complete with automatic HTTPS certificates and clean URL routing for your private network infrastructurehttps://www.robert-jensen.dk/posts/2024/vmware-vcf-create-transport-node-collection-fails/Thu, 29 Aug 2024 12:00:00 +0100https://www.robert-jensen.dk/posts/2024/vmware-vcf-create-transport-node-collection-fails/Troubleshooting guide for VMware Cloud Foundation (VCF) deployment failure during Transport Node Collection creation at 48%. Learn how to resolve NSX Manager connectivity issues and firewall configuration problems in your VMware infrastructure.https://www.robert-jensen.dk/posts/2024/external-dns-cloudflare-kubernetes-automation/Wed, 15 May 2024 12:00:00 +0100https://www.robert-jensen.dk/posts/2024/external-dns-cloudflare-kubernetes-automation/Are you tired of manually creating DNS records for your Kubernetes services? In this tutorial, we'll show you how to automate the process using CloudFlare and External DNS. We'll walk you through the steps of setting up a Cloudflare API key, installing External DNS, and configuring it to work with your Kubernetes cluster. With this setup, you can easily create and manage DNS records for your services without having to manually update them in CloudFlare. Perfect for IT professionals looking to streamline their workflow and improve their infrastructure's reliability and security.https://www.robert-jensen.dk/posts/2024/adding-extra-vlan/portgroup-to-a-tanzu-tkgs-enviroment/Mon, 22 Apr 2024 12:00:00 +0100https://www.robert-jensen.dk/posts/2024/adding-extra-vlan/portgroup-to-a-tanzu-tkgs-enviroment/Are you struggling to add more than one network to your vSphere with Tanzu environment using the AVI Loadbalancer? This quick guide shows you how to overcome this limitation and use multiple networks on your workload namespaces. Learn how to configure your supervisor cluster, add new port groups, and define network ranges for each network. Perfect for IT professionals looking to optimize and secure their virtual infrastructure.https://www.robert-jensen.dk/posts/2024/fixing-cilium-cni-kind-kubernetes-clusters/Thu, 25 Jan 2024 12:00:00 +0100https://www.robert-jensen.dk/posts/2024/fixing-cilium-cni-kind-kubernetes-clusters/Troubleshooting and solving Cilium networking issues on Apple Silicon M1 MacBooks by replacing Docker Desktop with Colima for local Kubernetes Kind clustershttps://www.robert-jensen.dk/posts/2023/double-reverse-proxy/Mon, 06 Mar 2023 12:00:00 +0100https://www.robert-jensen.dk/posts/2023/double-reverse-proxy/How to setup Caddy reverse proxy, after Cloudflare reverse proxyhttps://www.robert-jensen.dk/posts/2022/remote-access-to-pod-without-opening-firewall-on-tanzu-community-edition/Thu, 21 Apr 2022 08:36:34 +0200https://www.robert-jensen.dk/posts/2022/remote-access-to-pod-without-opening-firewall-on-tanzu-community-edition/How to expose a local POD or Service, to the outside world, without opening any firewall portshttps://www.robert-jensen.dk/posts/2021/installing-microk8s-with-traefik-and-metallb/Mon, 18 Oct 2021 20:32:15 +0200https://www.robert-jensen.dk/posts/2021/installing-microk8s-with-traefik-and-metallb/Complete guide to install MicroK8s with Traefik reverse proxy and MetalLB load balancer on Ubuntu 20.04. Learn Kubernetes setup with automatic Let's Encrypt certificates and external IP management.https://www.robert-jensen.dk/posts/2021/remote-access-to-demolab-using-apache-guacamole/Tue, 19 Jan 2021 09:35:55 +0100https://www.robert-jensen.dk/posts/2021/remote-access-to-demolab-using-apache-guacamole/How to setup Tailscale, to get remote, seamless access to you home lab, or demo enviroment.https://www.robert-jensen.dk/posts/2021/tailscale-on-ubitique-edgerouter/Tue, 12 Jan 2021 20:28:10 +0100https://www.robert-jensen.dk/posts/2021/tailscale-on-ubitique-edgerouter/How to install Tailscale on an Unifi Edgerouter Lite, to make it a proxy endpoint, for the rest of your Lanhttps://www.robert-jensen.dk/posts/2020/custom-dns-resolver-for-homelabs/Sun, 20 Dec 2020 09:53:39 +0100https://www.robert-jensen.dk/posts/2020/custom-dns-resolver-for-homelabs/Resolve internal homelab domains on macOS and Linux using per-domain files in /etc/resolver, so custom DNS servers take priority even while connected to a VPN.https://www.robert-jensen.dk/posts/2019/remote-development-from-anywhere/Wed, 09 Oct 2019 09:05:00 +0200https://www.robert-jensen.dk/posts/2019/remote-development-from-anywhere/Remote development from anywhere using VS Code Remote and ZeroTier, a free SD-WAN overlay that reaches homelab VMs without VPN or SSH headaches.https://www.robert-jensen.dk/posts/2019/k8s-ingress-and-pfsense-firewall/Thu, 04 Jul 2019 15:04:00 +0200https://www.robert-jensen.dk/posts/2019/k8s-ingress-and-pfsense-firewall/Fix a Kubernetes Ingress Controller failing on a vSphere homelab because pfSense DNS rebind protection blocks xip.io, with the exact forwarder and resolver settings.https://www.robert-jensen.dk/posts/2018/fingbox-new-security-device-in-my-home/Mon, 12 Feb 2018 14:54:00 +0100https://www.robert-jensen.dk/posts/2018/fingbox-new-security-device-in-my-home/Fingbox is a network security appliance that monitors your home network 24/7, checking for open ports, new devices and internet speed, with instant push alerts.