raynix 筆記

raynix 筆記

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  • An Canary Upgrade of Istio 1.9 to 1.11

    Prerequisites: full Admin access to a Kubernetes cluster, which has an older version of Istio installed. A while ago I decided to try Istio in my garage Kubernetes lab, and replaced ingress-nginx with istio-ingressgateway. At the time being I installed Istio 1.9.4, the latest release is already 1.11.4. To avoid being left in the deprecated […]

    October 27, 2021
    Free software, Networking, Systems Admin
    istio, kubernetes
  • Using Nginx to Negate Brute Force Attacks on WordPress Sites

    Thanks to the Prometheus – Grafana combo I set up earlier for my Kubernetes cluster I noticed that there was a steep increase of requests to this blog started a few days ago. I checked my Google Analytics dashboard, sadly my blog didn’t become any popular at all. So it must be some sort of […]

    October 20, 2021
    Internet Security, Systems Admin
    Nginx, wordpress
  • Mining Ethereum with Multiple AMD 6600 XT Cards on Ubuntu Linux

    Warning: Ethereum(ETH) will migrate to PoS(Proof of Stake) algorithm in near future, maybe in a year. So jumping into ETH mining now might not be profitable. Also, I encourage crypto mining with renewable energy sources and a Tesla PowerWall 2 is just a few RTX 3090s away 🙂 Note: This is a follow-up for my […]

    October 15, 2021
    Free software, Hardwares, Money
    AMD, Ethereum, TeamRedMiner, Ubuntu
  • Running Minecraft Server in Kubernetes Cluster

    A month ago I had an idea to run a Minecraft server in my garage Kubernetes lab. I though it might interest my little Minecraft player at home with some Kubernetes and GitOps stuff but that failed miserably. But at least I knew how to host a Minecraft server in Kubernetes, with ArgoCD too. First […]

    October 13, 2021
    Games!, Opensource
    ArgoCD, kubernetes, Minecraft
  • My nVidia RTX 3080 ThermalRight Upgrade

    Recently I traded my 2x Gigabyte RTX 3070 for a Aorus Masters RTX 3080 for a set of various reasons: For Ethereum crypto mining, a 3080 can achieve ~100MHps, which is very close to what 2x 3070 can do 1x 3080 definitely consumes less power than 2x 3070 If I play games or VR, only […]

    October 7, 2021
    Hardwares
    Ethereum, nvidia, Ubuntu
  • ArgoCD, Jsonnet and Tanka

    Ever since I’ve installed ArgoCD in my garage Kubernetes lab, I wanted to make Tanka work with ArgoCD, so that I can do GitOps with Jsonnet, in addition to YAML, kustomize and helm charts. I was hugely inspired by(read: copied and pasted from) this blog post. Here are the steps I made Tanka worked as […]

    October 5, 2021
    Opensource, Systems Admin
    argo, gitops, jsonnet, kubernetes, tanka
  • Sideloader: An InitContainer to Sideload Stuff to Your Main Container

    After having played with ArgoCD for a few days, I came cross a blog post on how to get Grafana Tanka to work with ArgoCD. I like the idea to have Tanka as a plugin of ArgoCD, because: The main ArgoCD docker image doesn’t get bloated by all those binaries we want to use with […]

    September 28, 2021
    Free software, Systems Admin
    ArgoCD, docker, kubernetes
  • Run ArgoCD with Istio Service Mesh in a Kubernetes Cluster

    It’s been quite a while since I installed Flux CD V2 in my garage Kubernetes lab, as there’s a lot of debate going on between Flux and ArgoCD I decided to give ArgoCD a go. The other reason to try ArgoCD is that it supports Jsonnet. By default installation, ArgoCD will use self-signed TLS certificate […]

    September 23, 2021
    Systems Admin
    ArgoCD, istio, kubernetes
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