Welcome to My Blog
A short introduction to who I am and what you'll find here — notes on AI, self-hosting, and whatever I'm learning next.
Kuibin Lin
Building a Kubernetes Lab with k3s and LXD Part 4 Adding Persistent Storage
Give the k3s cluster persistent storage with local-path and NFS, then kill a worker to prove a stateful app keeps its data when it moves to another node.
Building a Kubernetes Lab with k3s and LXD Part 3 Installing k3s
Install k3s across five LXD nodes to form a three master HA cluster with two workers, then break quorum on purpose to see how etcd protects itself.
Building a Kubernetes Lab with k3s and LXD Part 2 Building the Five Nodes
Get five LXD containers ready to run k3s. Load kernel modules, set sysctls, create a privileged LXD profile, and build five nodes from one template.
Building a Kubernetes Lab with k3s and LXD Part 1 Preparing the Ubuntu Host
Prepare a single Ubuntu server to run k3s inside LXD containers. Remove Docker, disable swap, handle the nftables firewall, and install LXD with ZFS storage.
How to Add Newsletter Subscribe Feature to Jekyll Chirpy with Brevo
A complete guide to adding a newsletter subscribe feature to a Jekyll Chirpy blog, with a sidebar button, a dedicated subscribe page, and a Brevo email backend.
Customize Chirpy Mobile View to Show Full Sidebar Menu Including a Posts Tab
A step by step guide to replacing Chirpy's mobile topbar with a full screen sidebar menu and adding a POSTS toggle, using CSS and JavaScript only.
Python List vs Linked List
A visual, operation-by-operation comparison of Python list and linked list with Big-O analysis, code examples, and ASCII diagrams.
Block Ads on Every Device in Your Home Network with Pi-hole
Learn how to set up Pi-hole on a Raspberry Pi to block ads, trackers, and telemetry across all devices on your home Wi-Fi without installing anything on each device.
Run Your Own VPN at Home with PiVPN
A step-by-step guide to setting up PiVPN with WireGuard on a Raspberry Pi for secure remote access to your home network.