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Use fzf to Supercharge Your kubectl Command
First let’s have a look at fzf, a super fast command line fuzzy finder. It’s mostly written in golang and there are so many ways to use it. In this note, I’ll just use it to select a value from a list in a terminal and then return it to next command. When working with…
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Fedora 31, Optimus, Bumblebee and Steam
My laptop(XPS 15) has Nvidia 1050 Ti but I never used it to play games, because I replaced Windows 10 with Fedora Linux on the first day, not even a dual boot. I’ve tried Bumblebee to run Linux native games on Nvidia a few years ago but it wasn’t stable enough. After I upgraded the…
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Golang and Docker Multi-Stage Build MK2
In my previous post I used Docker multi stage technique to build a Docker container image which only has the golang executable in a tiny Alpine Linux base image. I’ll go further to use the scratch base image which has basically nothing. Here’s the Dockerfile I tested on my own project, I’ve also added comments…
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Deploying WordPress to Kubernetes with Kustomize
I’ve just migrated this blog site itself into the kubernetes cluster I built with Raspberry Pi 4s, and this post is about the steps and approach I used to achieve this goal. Yes, what you have been reading is served by 1 of the Raspberry Pi boards. First of all, a bit introduction on kustomize:…
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Kubernetes at Home on Raspberry Pi 4, Part 3
Continue from part 2, this is mostly about installing ingress controller. In short, an ingress controller is like a single entry point for all ingress connections into the cluster. The reason I chose Flannel over other CNIs is that it’s lightweight and not bloated with features. I would like to keep the Pi 4s easy…
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Kubernetes at Home on Raspberry Pi 4, Part 2
Continue from part 1 It’s recommended to change all Pi’s password also run ssh-copy-id pi@192.168.1.x to enable SSH public key login. There are lots of steps to prepare before kubeadm is installed, so I made this ansible repository to simplify this repeating process. Please see here. The ansible role will do the following tasks: set…
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Kubernetes at Home on Raspberry Pi 4, Part 1
I mostly followed/was inspired by this tutorial but with some tweak/fix to recent(Sep 2019) software versions. Also this is a pure Linux walk-through as I don’t use a Mac. I planned to build a home Kubernetes(k8s) cluster and migrate home servers including the one this blog is running on to the k8s cluster, for a…
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Use FZF to Speed Up KUBECTL
FZF is general purpose option selector for Linux command line. By default fzf is an super-upgrade for the ctrl-r command history finder, but it is helpful for almost any scenario where you need to pick 1 item from a list. Here’s a tiny use case where I use fzf to select a kubernetes namespace and…