Today I moved my Claude Code notes & Workflow notes to this blog entry so that it can be located easier! In this post we’ll walk through all the important Claude Code commands, workflows, tools, tips, and productivity notes you need to get the most out of your AI coding assistant environment. Getting Started with…
In this post, I will note some practices when working with VSCode Workspace, how to manage multiple projects effectively. The same practice applied to VSCode forks like Cursor IDE, Antigravity.
In this post, we’ll walk through what traditional RAG is, why it’s hitting its limits, and the evolution from traditional RAG to Agentic RAG for production-grade LLM applications.
Nowsadays, Modern AI coding tools like GitHub Copilot / Claude Code or IDE like Cursor / Windsurf have accelerated how we write software—but they’ve also introduced a new habit: vibe coding. Developers often jump straight into implementation based on intuition or incomplete prompts. The result? Misaligned intent, inconsistent architecture, and fragile systems. Spec-Driven Development (SDD)…
Today I decided to moved my Google Photos to iCloud since I cannot find an easy way to restore my Photos and Videos to my new i devices. Basically, I searched for a method to transfer Google Photos to Apple iCloud and was directed to the Apple Support page guiding to access Google Takeout to…
The note is for installing WireGuard VPN server for popular Linux Distro like Ubuntu, Debian, Fedora. Continue the on-screen guide to configure WireGuard server and add the first VPN client. The configuration file is at /etc/wireguard/wg0.conf
Yet another entry after a while. Today, I will draft the necessary steps to change SSH Port in Ubuntu 24. These might apply to other version of Ubuntu but tbh, I don’t care. As in the previous version of Ubuntu / Debian, we normally need to change the listening ports in the sshd_config, and then…
Running Plex Media Server with Docker is a popular demand for organizing home media with Plex app. If you want to know a bit about the concept, Plex Media Server is a software application that allows users to manage and stream their media from a central location. This blog entry only outlines the step-by-step procedures…
This is just a quick note to Install Let’s Encrypt for Nginx on Ubuntu 18. Since there is a new way to automatically renew LE certs on Ubuntu 18, I quick document steps for the reference purpose. Install Let’s encrypt for Nginx: apt install -y python-certbot-nginx Issue necessary certs for your domain with LE (remember…
I come to a request to capture all out-going network connections to be sure no sensitive data will be transferred outside by any current scripts. We do all know that there is a simple tcpdump tool that can do this requirement. So in this short entry, I will note necessary commands to do that. To…