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우병수

Tech writer covering AI tools, SaaS, and developer productivity. Sharing real-world tooling experiences from building production apps. Read more at techdigestor.com

Location Seoul, South Korea Joined Joined on  Personal website https://techdigestor.com github website
Raspberry Pi Telemetry Dashboard for Home Automation: Setup to Production
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Raspberry Pi Telemetry Dashboard for Home Automation: Setup to Production

#productivity #tools #opensource #tutorial
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18 min read

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5 Lightweight Tailscale Alternatives Worth Running on Your Own Hardware
ericwoooo_kr profile

5 Lightweight Tailscale Alternatives Worth Running on Your Own Hardware

#ai #machinelearning #productivity #tools
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14 min read
5 Self-Hosted Monitoring Tools Worth Running on Your Own Hardware in 2026
ericwoooo_kr profile

5 Self-Hosted Monitoring Tools Worth Running on Your Own Hardware in 2026

#discuss #productivity #tools #webdev
Comments 1
15 min read
Fine-Tuning Qwen2-VL for Blockchain Graph Classification on AMD MI300X: What the Docs Don't Tell You
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Fine-Tuning Qwen2-VL for Blockchain Graph Classification on AMD MI300X: What the Docs Don't Tell You

#ai #machinelearning #productivity #tools
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19 min read
Fine-Tuning Qwen2-VL on AMD MI300X for Blockchain Graph Classification: What the Docs Don't Tell You
ericwoooo_kr profile

Fine-Tuning Qwen2-VL on AMD MI300X for Blockchain Graph Classification: What the Docs Don't Tell You

#ai #machinelearning #productivity #tools
Comments
19 min read
nginx Active Health Checks Send Pod IPs as Host Headers — Here's Why Your Backend Returns 502s
ericwoooo_kr profile

nginx Active Health Checks Send Pod IPs as Host Headers — Here's Why Your Backend Returns 502s

#docker #productivity #tools #webdev
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16 min read
Modularized Workflow Toggles in GitHub Actions: Cutting CI/CD Run Time Without Losing Control
ericwoooo_kr profile

Modularized Workflow Toggles in GitHub Actions: Cutting CI/CD Run Time Without Losing Control

#discuss #productivity #tools #career
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17 min read
Self-Hosted Log Fingerprinting Pipelines: Catching Anomalies Without Sending Logs to the Cloud
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Self-Hosted Log Fingerprinting Pipelines: Catching Anomalies Without Sending Logs to the Cloud

#discuss #productivity #tools #webdev
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19 min read
Nginx Proxy Manager on Your Home Lab: Performance Tuning Beyond the Defaults
ericwoooo_kr profile

Nginx Proxy Manager on Your Home Lab: Performance Tuning Beyond the Defaults

#docker #productivity #tools #webdev
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16 min read
Building a Local Dashboard with Homepage: One Config File to Rule Your Self-Hosted Stack
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Building a Local Dashboard with Homepage: One Config File to Rule Your Self-Hosted Stack

#docker #productivity #tools #webdev
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18 min read
Speakr v0.8.19: What Actually Changed and Whether It's Worth Upgrading Your Self-Hosted Transcription Stack
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Speakr v0.8.19: What Actually Changed and Whether It's Worth Upgrading Your Self-Hosted Transcription Stack

#docker #productivity #tools #webdev
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15 min read
Monitoring Kubernetes Clusters with OpenTelemetry Collector: The Agent + Gateway Pattern Explained
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Monitoring Kubernetes Clusters with OpenTelemetry Collector: The Agent + Gateway Pattern Explained

#ai #devops #machinelearning #cloud
1
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18 min read
Code Mode + MCP: Wiring Your Local LLM Into a Real Development Workflow
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Code Mode + MCP: Wiring Your Local LLM Into a Real Development Workflow

#discuss #productivity #tools #career
1
Comments
19 min read
Bind9 vs PowerDNS at Home: Which One to Run When You Actually Need Local DNS
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Bind9 vs PowerDNS at Home: Which One to Run When You Actually Need Local DNS

#discuss #productivity #tools #webdev
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17 min read
Vaultwarden 1.36.0: What Changed, What to Patch, and How to Upgrade Without Losing Your Vault
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Vaultwarden 1.36.0: What Changed, What to Patch, and How to Upgrade Without Losing Your Vault

#discuss #productivity #tools #webdev
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16 min read
Monitoring a Kubernetes Cluster with OpenTelemetry Collector: Agent + Gateway Pattern That Actually Works
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Monitoring a Kubernetes Cluster with OpenTelemetry Collector: Agent + Gateway Pattern That Actually Works

#devops #cloud #docker #tutorial
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17 min read
FileRun, OnlyOffice, and Pangolin for a Self-Hosted Web Calendar: Which One Actually Fits Your Stack
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FileRun, OnlyOffice, and Pangolin for a Self-Hosted Web Calendar: Which One Actually Fits Your Stack

#discuss #productivity #tools #webdev
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19 min read
Chamberlain MyQ and HomeKit: Self-Hosted Bridges That Actually Work
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Chamberlain MyQ and HomeKit: Self-Hosted Bridges That Actually Work

#ai #machinelearning #productivity #tools
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15 min read
Vaultwarden Passkey Login on iOS: Making WebAuthn Actually Work
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Vaultwarden Passkey Login on iOS: Making WebAuthn Actually Work

#discuss #productivity #tools #webdev
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16 min read
fedit: A Deterministic CLI + MCP File Editor for LLMs That Can't Stop Mangling Your Configs
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fedit: A Deterministic CLI + MCP File Editor for LLMs That Can't Stop Mangling Your Configs

#discuss #productivity #tools #webdev
1
Comments 1
17 min read
AI Coding Tools Are Now a CVSS 10.0 CI/CD Supply Chain Vector — What to Patch and What to Audit
ericwoooo_kr profile

AI Coding Tools Are Now a CVSS 10.0 CI/CD Supply Chain Vector — What to Patch and What to Audit

#ai #machinelearning #productivity #tools
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18 min read
Thinking About Performance Like Mathieu Ropert: What C++ Devs Get That the Rest of Us Should Steal
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Thinking About Performance Like Mathieu Ropert: What C++ Devs Get That the Rest of Us Should Steal

#discuss #productivity #tools #webdev
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25 min read
DOS Development in the Early Days: What It Was Actually Like to Ship Software on 640KB
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DOS Development in the Early Days: What It Was Actually Like to Ship Software on 640KB

#discuss #productivity #tools #webdev
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28 min read
Unsigned Sizes Bit Me in Production — Here's How I Finally Got My Head Around Them
ericwoooo_kr profile

Unsigned Sizes Bit Me in Production — Here's How I Finally Got My Head Around Them

#rust #productivity #tools #webdev
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24 min read
Zero Bugs Is a Process, Not a Goal: Here's How I Actually Get Close
ericwoooo_kr profile

Zero Bugs Is a Process, Not a Goal: Here's How I Actually Get Close

#discuss #productivity #tools #webdev
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23 min read
VS Code Shortcuts I Actually Use Every Day (And a Few I Slept On for Too Long)
ericwoooo_kr profile

VS Code Shortcuts I Actually Use Every Day (And a Few I Slept On for Too Long)

#vscode #productivity #tools #webdev
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24 min read
Building a Browser-Based 3D Modeling Tool with Three.js: What the Docs Don't Tell You
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Building a Browser-Based 3D Modeling Tool with Three.js: What the Docs Don't Tell You

#discuss #productivity #tools #webdev
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30 min read
How to Validate a SaaS Idea Without an Audience or Self-Promotion
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How to Validate a SaaS Idea Without an Audience or Self-Promotion

#discuss #productivity #tools #webdev
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23 min read
I Ran Kubernetes and Traditional Hosting Side-by-Side — Here's When Kubernetes Actually Won
ericwoooo_kr profile

I Ran Kubernetes and Traditional Hosting Side-by-Side — Here's When Kubernetes Actually Won

#devops #docker #cloud #tutorial
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23 min read
Mookbars: I Replaced My Bookmark Chaos with Environment Variables and Never Looked Back
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Mookbars: I Replaced My Bookmark Chaos with Environment Variables and Never Looked Back

#discuss #productivity #tools #webdev
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18 min read
Debugging Async Job Failures Across Multiple Steps Without Losing Your Mind
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Debugging Async Job Failures Across Multiple Steps Without Losing Your Mind

#ai #programming #machinelearning #webdev
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31 min read
Physics-Informed Neural Networks in the Wild: How I Actually Implemented PINN Research in a Production Pipeline
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Physics-Informed Neural Networks in the Wild: How I Actually Implemented PINN Research in a Production Pipeline

#discuss #productivity #tools #webdev
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29 min read
5 Self-Hosted Web Calendars I Actually Ran in Production (and One I Ripped Out)
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5 Self-Hosted Web Calendars I Actually Ran in Production (and One I Ripped Out)

#discuss #productivity #tools #webdev
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23 min read
cPanel/WHM Is Down — Here's What I Actually Use to Manage Shared and VPS Hosting Without Paying for a Panel
ericwoooo_kr profile

cPanel/WHM Is Down — Here's What I Actually Use to Manage Shared and VPS Hosting Without Paying for a Panel

#discuss #productivity #tools #webdev
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25 min read
My Data Query Times Dropped 80% After I Stopped Fighting Qbeast and Let OTree's Spatial Index Do Its Job
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My Data Query Times Dropped 80% After I Stopped Fighting Qbeast and Let OTree's Spatial Index Do Its Job

#discuss #productivity #tools #webdev
1
Comments
24 min read
Building a Free AI Layer Over NCERT/CBSE: How I Wired Together Ollama, LangChain, and a React Frontend for Indian Classrooms
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Building a Free AI Layer Over NCERT/CBSE: How I Wired Together Ollama, LangChain, and a React Frontend for Indian Classrooms

#ai #react #machinelearning #javascript
1
Comments
29 min read
I Built a Self-Contained Bookmarks Page from Environment Variables — No Database Needed
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I Built a Self-Contained Bookmarks Page from Environment Variables — No Database Needed

#ai #machinelearning #productivity #docker
2
Comments
19 min read
CloudFront + Vercel + Lambda@Edge: A Debugging Journal from Someone Who's Been Paged at 2am
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CloudFront + Vercel + Lambda@Edge: A Debugging Journal from Someone Who's Been Paged at 2am

#programming #webdev #tutorial #aws
1
Comments
30 min read
VS Code Shortcuts I Actually Use Every Day (and a Few That Took Me Too Long to Discover)
ericwoooo_kr profile

VS Code Shortcuts I Actually Use Every Day (and a Few That Took Me Too Long to Discover)

#vscode #productivity #tools #webdev
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26 min read
cPanel/WHM Auth Bypass Vulnerabilities: What Web Devs Actually Need to Lock Down
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cPanel/WHM Auth Bypass Vulnerabilities: What Web Devs Actually Need to Lock Down

#discuss #productivity #tools #webdev
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22 min read
I Cleaned Up My LinkedIn Feed with a Free Open Source AI Spam Filter — Here's How to Actually Set It Up
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I Cleaned Up My LinkedIn Feed with a Free Open Source AI Spam Filter — Here's How to Actually Set It Up

#ai #machinelearning #productivity #opensource
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18 min read
Three Months With Browser-Based 3D Modeling Tools: What Actually Works in 2024
ericwoooo_kr profile

Three Months With Browser-Based 3D Modeling Tools: What Actually Works in 2024

#discuss #productivity #tools #webdev
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18 min read
LogoQR: I Spent a Week Making QR Codes That Don't Look Like Prison Barcodes
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LogoQR: I Spent a Week Making QR Codes That Don't Look Like Prison Barcodes

#discuss #productivity #tools #webdev
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19 min read
AI Coding Tools Are Making Me Faster — But Are They Making Me Worse?
ericwoooo_kr profile

AI Coding Tools Are Making Me Faster — But Are They Making Me Worse?

#ai #machinelearning #productivity #tools
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24 min read
Qbeast's OTree Index Actually Made My Spark Queries Stop Scanning the Whole Lake
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Qbeast's OTree Index Actually Made My Spark Queries Stop Scanning the Whole Lake

#discuss #productivity #tools #webdev
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18 min read
Stackless Coroutines for Gamedev in ~200 Lines of C++: Write Your Own Before Reaching for a Library
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Stackless Coroutines for Gamedev in ~200 Lines of C++: Write Your Own Before Reaching for a Library

#discuss #productivity #tools #webdev
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31 min read
The Cheapest Azure VM That Actually Works for DevOps Workloads (Without Making You Want to Quit)
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The Cheapest Azure VM That Actually Works for DevOps Workloads (Without Making You Want to Quit)

#devops #productivity #tools #webdev
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23 min read
Per-Query Safeguards for Agent-Driven Database Access: What Actually Works in Production
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Per-Query Safeguards for Agent-Driven Database Access: What Actually Works in Production

#discuss #productivity #tools #webdev
Comments
32 min read
Project Yellow Olive: Building a Pokémon Yellow-Inspired Kubernetes TUI Game in Go
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Project Yellow Olive: Building a Pokémon Yellow-Inspired Kubernetes TUI Game in Go

#devops #cloud #docker #tutorial
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33 min read
Docker Image Builds Keep Breaking Your CI? Here's How I Fixed That
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Docker Image Builds Keep Breaking Your CI? Here's How I Fixed That

#docker #devops #cloud #tutorial
Comments
29 min read
I Filtered LinkedIn AI Slop Using an Open Source Extension — Here's the Exact Setup
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I Filtered LinkedIn AI Slop Using an Open Source Extension — Here's the Exact Setup

#ai #machinelearning #productivity #tools
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20 min read
LogoQR: I Added Custom Logos to QR Codes and Here's What Actually Works
ericwoooo_kr profile

LogoQR: I Added Custom Logos to QR Codes and Here's What Actually Works

#discuss #productivity #tools #webdev
Comments
23 min read
I Built a Browser-Based 3D Modeling Tool in 3 Months — Here's Every Decision I'd Make Differently
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I Built a Browser-Based 3D Modeling Tool in 3 Months — Here's Every Decision I'd Make Differently

#discuss #productivity #tools #webdev
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33 min read
AI Coding Tools Are Making Us Dependent — Aviation Figured This Out 40 Years Ago
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AI Coding Tools Are Making Us Dependent — Aviation Figured This Out 40 Years Ago

#ai #machinelearning #productivity #tools
1
Comments
24 min read
Adaptive Compression for Inverted Indexes: How I Stopped Wasting 60% of My Disk Budget
ericwoooo_kr profile

Adaptive Compression for Inverted Indexes: How I Stopped Wasting 60% of My Disk Budget

#discuss #productivity #tools #webdev
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31 min read
The Three Durable Function Forms: Orchestrators, Activities, and Entities (With Real Code)
ericwoooo_kr profile

The Three Durable Function Forms: Orchestrators, Activities, and Entities (With Real Code)

#discuss #productivity #tools #webdev
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20 min read
Stackless Coroutines in ~200 Lines of C++: How I Manage Game State Without the Headaches
ericwoooo_kr profile

Stackless Coroutines in ~200 Lines of C++: How I Manage Game State Without the Headaches

#discuss #productivity #tools #webdev
Comments
28 min read
Canonical's Ubuntu Infrastructure Got DDoS'd — Here's What We Can Actually Learn From It
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Canonical's Ubuntu Infrastructure Got DDoS'd — Here's What We Can Actually Learn From It

#discuss #productivity #tools #webdev
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30 min read
Vibe Coding Actually Changed How I Write Features — Here's What That Looks Like Day-to-Day
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Vibe Coding Actually Changed How I Write Features — Here's What That Looks Like Day-to-Day

#discuss #productivity #tools #webdev
Comments
22 min read
Stop Drowning in Console Noise: Using Negative Regex Filters in Chrome DevTools
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Stop Drowning in Console Noise: Using Negative Regex Filters in Chrome DevTools

#discuss #productivity #tools #webdev
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18 min read
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