Kai Hendry's techy posts

This archive keeps the original URLs and publication dates. Posts marked “Historical” have additional context about obsolete services, incomplete experiments or superseded advice.

2026

Sep 21 The Hybrid Meeting Problem
Sep 21 Feather razor blades: a cheap way to shave
Sep 13 My favourite desk lamp: Logitech Litra Beam
Sep 7 ESP With the Strongest WiFi Signal
Sep 3 Why Enterprises Struggle to Adopt AI
Aug 25 Two Heat Pump Surprises: Cylinder Standing Loss and a −40 °C Outdoor Sensor
Aug 18 Three Secrets Domains on Purpose
Aug 17 My Maui Jims Have New Nose Pads: NSP252
Aug 14 Reading the Heat Pump Locally: eBUS Adapter Stick C6 and ebusd
Jul 22 Our First Air-to-Water Heat Pump: Vaillant aroTHERM plus
Jul 7 How could a community fund the new Bosvena health centre?
Jul 2 A Ticket Template for AI-Generated Code
Jun 29 Returning Shelly EM Gen3 to Bulgaria: A 56-Day Ordeal
Jun 6 AI Native DevCon London 2026: Sessions I Attended
Jun 5 The Klinik NHS Access Form Is Failing Patients
May 18 Comparing SDD Frameworks: spec-kit vs OpenSpec vs get-shit-done
May 10 Replacing the light bulb in dad's shower
Apr 27 AWS SAA-C03 Re-certification Journey
Apr 16 From AI-Generated to Production-Ready: Closing the Gap
Apr 14 How I Monitor My Home Energy Usage
Apr 14 AI Engineer Europe 2026: Takeaways from London
Mar 24 The Irreplaceable Human: Our Role in an AI-Driven World
Mar 10 Snowflake IaC without switching to Terraform
Feb 24 Tags are not free in AWS CDK
Jan 7 Python uv Upgrade
Jan 7 Upskilling Your Infrastructure Team with AI
Jan 2 Raspberry PI VPS host

2025

Dec 6 AI annoyances
Nov 30 Trialling Jira with Beads
Nov 1 Claude Skills
Oct 7 AWS S3 Access Points
Sep 18 Yoga
Aug 26 Pozidriv bits break!
Jul 30 2025 Citroën E-C3
Jul 8 My favourite clothes
Jun 14 EU Sanitary and phytosanitary
Jun 11 Data Engineering
Jun 7 Badminton Restring
May 3 Import Tax is the Tariff
Mar 22 Fixing Cornish Potholes
Mar 7 Tesla Tyres Repair = Replacement!?
Feb 19 Gitlab Enterprise

2024

Dec 9 Darragh Power Cut
Nov 26 Praze Smart Meter
Nov 9 Mac Mini Family display
Nov 8 European Competitiveness
Oct 17 How to fix the most impactful AWS RDS Slow queries 🐢
Oct 16 AWS SSO with Google Chrome profiles
Oct 2 Insulation (Historical)
Sep 16 UK's water and weather
Sep 5 JustPark SMS ripoff
Aug 6 Database Performance
Jul 26 Connecting to MySQL
Jun 29 The problem with UK Politics
Jun 16 UK vs SG income tax for the salary man
Jun 9 Single Income Household
May 24 Github Action Trunk based development IaC
May 19 Hayfever treatment
May 19 T14g3 Wireless woes
May 18 UK divided by weather and water
May 1 BUPA experience
Apr 26 Royal Mail Parcel Collection gone wrong
Apr 26 Macbook Air M2 Repair attempt
Apr 4 LLM token cost (Historical)
Mar 23 LPG boiler upgrade wanted
Mar 13 Minecraft
Mar 12 Stripe Deleted
Mar 11 OSS sponsorships
Mar 4 Automative Grade Apps
Mar 4 Infrastructure Capabilities
Feb 22 Software Cornwall 2024
Feb 22 Working as a team with Kanban

2023

Dec 6 VScode Regex
Nov 11 Mikrotik Wifi6
Nov 6 Best Microphone
Oct 13 iPhone Repair UK
Oct 10 Deploying a Lambda
Sep 27 Gitops
Sep 17 Subscriptions
Sep 13 Coffee Setup
Sep 6 What Tesla owners want
Sep 1 Appealing a Car parking fine
Aug 30 French Social Security
Aug 16 Finding filter coffee
Aug 11 Go's Dockerfile journey
Aug 9 Apex log to Structured log
Aug 7 UK Cost to Drive a Mile
Aug 2 Google Kubernetes Engine on GCP
Jul 31 Opentelemetry Collector for Kubernetes
Jul 18 DORA metrics failure
Jun 30 Top serverless mistakes
Jun 28 AWS Certified DevOps Engineer Pro Preparation
Jun 27 AWS Learning notes
May 12 Go VsCode Editing experience 2023
Apr 27 Container Lifecycle
Apr 23 DaVinci Resolve FCPX
Apr 21 Build From Source
Apr 19 Terraform vs Cloudformation
Apr 5 Youtube and my kids
Apr 5 Sony A7IV settings for running subjects
Mar 25 Does Dockerfile USER prevent Linux container breakouts?
Mar 8 GoCD versus Gitlab
Mar 8 Mac Nix (Historical)
Feb 28 AWS SAM Developer Experience
Feb 10 oracledump
Jan 29 Apex Up Logs
Jan 24 NixOS Intrigue
Jan 22 NixOS at first
Jan 19 Separation of Duties
Jan 4 No dist-upgrade

2022

Dec 21 Restricted Stock Unit ⬆️⬇️
Dec 14 Why use AWS Customer Managed Keys?
Dec 8 Effective Meetings
Dec 7 Gitlab Workflow
Dec 5 Security Principles💂
Dec 3 Dual Monitor with Archlinux
Nov 17 My issues with terraform
Oct 16 Thinkpad or Apple
Oct 8 Archlinux / MacOS clipboard bindings
Oct 7 Why Learn Makefiles
Sep 9 Gitlab Terraform
Aug 29 Devops Is Dead
Aug 24 Least Privilege in Practice
Aug 8 Post Pandemic Malaysia
Aug 4 Five Step Engineering Process
Jul 24 Post-Pandemic Office Space
Jun 19 Self Service in Infrastructure
May 21 Path to Production
May 3 Landing a "tech" job in Singapore
Apr 21 Slack Survival Tips
Apr 17 Lumix GH5 to Sony Alpha A7 IV
Apr 7 Rechargable batteries
Mar 29 Do not complicate Serverless architectures with Private subnets
Mar 25 AWS Secrets Manager or AWS Systems Manager Parameter Store?
Mar 25 Don't put secrets in your ENV
Mar 13 Code Editing in 2022
Jan 31 Serverless or CNCF Kubernetes?
Jan 29 Xbox impressions
Jan 19 Javascript to a strongly typed language..
Jan 1 Lazada vs Amazon

2021

Dec 11 Ordering US products from Amazon in Singapore
Dec 2 Casio GW-M5600 is not worth repairing
Nov 28 Multi Cloud Serverless Cold starts
Nov 19 Helper with COVID positive (Historical)
Oct 24 My first Payment integration
Oct 22 Identifiers
Oct 19 Stamp Duty in Singapore
Oct 13 Mitigating security risks with NodeJS
Oct 5 Security Headers
Oct 5 Weekly Iterations
Oct 2 Systemd Journal to Cloudwatch (Historical)
Sep 30 Global Protect Man in the Middle
Sep 19 eSIM sucks when your phone dies
Sep 18 Kids Authenticate to Microsoft
Sep 3 suckless Second Display
Aug 24 My fears with the agile development methodology
Aug 22 Apple Weight Scale
Aug 18 AWS SDK Go V2
Aug 10 Scalable Prometheus Architecture
Aug 10 Atlassian tips
Jul 26 Thinkpad vs M1
Jul 24 Zola SSG review
Jul 4 Fixing Hotel TV
Jun 28 Better Hotel Wifi
Jun 12 Roku Streambar review
Apr 14 Is Java really faster than Go?
Apr 11 Debugging methods
Apr 7 Diagrams for documentation
Apr 5 Java vs Go
Mar 8 Secure or not?
Mar 3 Is Batch Bad?
Feb 9 Microservice Timeouts
Feb 1 Google Workspaces Chat Rooms suck
Jan 22 Automated Gsuite Export
Jan 13 A make build tool that sucks less
Jan 5 FTTP in Cornwall

2020

Dec 31 Audio Visual tips for Zoom, OBS, Youtube etc
Dec 20 Serverless "Iteration Speed" Survey
Dec 3 Amazon Certificate Manager Pro Tip
Dec 1 Amazon Transcribe
Nov 22 Quad Lock cases - new and old side by side
Nov 21 Thinkpad T480s for sale (Historical)
Nov 17 Google Pixel 4a Repair cost in Singapore
Nov 13 Updates / Upgrades and breaking the runtime
Nov 5 Understanding FCPX bundles
Nov 2 Lenovo ThinkPad USB-C Dock Gen2 errors
Oct 19 5G - a Race to the Bottom
Oct 7 Passive versus Active Power over Ethernet
Oct 4 Account Security
Oct 2 Knowledge Worker Needs
Sep 18 When DevOps goes bad
Sep 12 AWS SAM's HTTP interface sucks
Aug 10 Shop Front
Jul 29 Other filling iPhone storage
Jul 16 Sony ZV-1 notes from Singapore
Jul 4 SLOC the Web
Jun 22 AWS SSO versus Oauth
Jun 19 Thinkpad T480s sdcard slot failure
Jun 4 Excel shortcuts for Archers
Jun 4 Keeping colleagues in the loop
May 20 How to hand hold a computer user
Apr 11 TASCAM DR 40 background Noise
Mar 18 Failed the AWS Certified Solutions Architect professional exam
Mar 13 Singapore Payment Requests could be a LOT better
Mar 12 What Working Group Tools?
Mar 11 My First SAP
Feb 27 National COVID2019 Websites (Historical)
Feb 26 SAP-C01 AWS Certified Solutions Architect - Professional scrap book
Feb 10 TODO tracking

2016

2015

Dec 4 Addressable hostnames with DNS and mDNS
Nov 10 Mail from a VPS using AWS SES from sandbox mode (Historical)
Nov 4 Streaming an IRC channel to a web display (Historical)
Oct 28 WebKit rendering on a Raspberry Pi 2 (Historical)
Oct 25 Why API responses need timestamps
Oct 18 Barriers to browser-based use of public APIs (Historical)
Sep 6 Foscam C1 camera notes from 2015 (Historical)
Sep 2 Why I argued for keeping PHP updated
Aug 31 SanDisk Ultra USB 3 write-speed measurements
Aug 18 Keeping PHP services updated with containers
Aug 9 Centralisation and the side effects of censorship
Jul 30 Rsync versus Btrfs for backups and snapshots
Jul 15 Screencasting obstacles on Arch Linux in 2015 (Historical)
Jun 24 Seven days to leave Hiveage
Jun 16 My Hiveage grievances in 2015
May 19 A proposal for a small local video editor
May 19 Where git-annex fell short for my media workflow (Historical)
Mar 24 Archiving iPhone 6 photos with ifuse in 2015 (Historical)
Mar 13 Two expectations for usable web navigation
Mar 7 Singtel 500 Mbps and Singapore cloud network tests (Historical)

2014

2013

2012

2010

2009