The next part of our look at my Kubernetes homelab is a deep dive into networking. If you missed the first part of this series check out the post about architecture and hardware. On the surface, my network implementation is very simple. The cluster nodes, the NAS and the router are all on the sameContinue reading “Kubernetes Homelab Part 2: Networking”
A while back I wrote about the worst cabinet ever. Maybe this one isn’t as spectacular to behold, but there is a Cisco switch under all that spaghetti. There are also two PoE power injectors for wireless access points. All this is in a wooden cupboard and it was roasting hot. You can see thatContinue reading “New worst cabinet ever”
This is a +1 for Easy Firewall Generator for iptables. Of course any self-respecting sysadmin should be able to set up iptables, but sometimes starting off can be tricky. So I use the this website, which lets you define the basics using a handful of checkboxes, and it generates a script that configures your computer’sContinue reading “An easy way to generate an iptables config”
My home server seems to have developed a problem where its internal-facing network card “jams up”. It still keeps its IP address and everything looks normal, but in actual fact no traffic passes through it, cutting all my LAN hosts off from the Internet. Restarting iptables, network services or anything else doesn’t help. The onlyContinue reading “An ugly fix”
I ran a speed test from Namesco on my PC at work. It has a gigabit Ethernet connection but more importantly, it is served by JANET – the high speed academic network. As you see in the screenshot, it achieved 215 Mb/s download! The best Internet connection in the world? I think so.