All

Choosing an Open-Source Vector Database: A Comprehensive Guide

by Jay Luong | May 10, 2025 | Vector Databases | 0 |

Vector databases are becoming essential components of modern AI-driven applications, enabling...

Understanding VRAM Usage in Ollama with Large Models

by Jay Luong | May 3, 2025 | Networking | 0 |
Best Open-Source AI-Friendly CMS

by Jay Luong | May 1, 2025 | CMS | 0 |
A Guide to Building Powerful AI Agents

by Jay Luong | May 1, 2025 | AI Agents | 0 |
Building a Production‑Ready CI/CD Pipeline in Your Homelab

by Jay Luong | Apr 19, 2025 | CI/CD, Networking | 0 |

System Administration

Step-by-Step: How to Setup a Fast WordPress Droplet in 2024

by Jay Luong | Feb 5, 2024 | Networking, System Administration, Wordpress | 0 |

In this tutorial, we’ll walk through the process of setting up a WordPress site on Ubuntu...

How to Setup a Fast and Secure WordPress 5.0 – Ubuntu 18.04 LTS, PHP 7.3, MySQL 8.0, and More

by Jay Luong | Dec 26, 2018 | Nginx, System Administration, Wordpress | 0 |
How to Rsync Files Securely With and Without a Password

by Jay Luong | Feb 7, 2015 | System Administration | 0 |
Apache 2.4.7 Start Error: apr_sockaddr_info_get() failed on Ubuntu 14.04

by Jay Luong | Jan 22, 2015 | Apache, System Administration | 0 |
What Is the Meaning of 127.0.1.1 in the /etc/hosts File for Debian/Ubuntu Servers?

by Jay Luong | Jan 22, 2015 | System Administration | 0 |

Cloud Computing

How to Expand a Boot Disk on a GCE Instance

by Jay Luong | Aug 20, 2015 | Cloud Computing, Compute, Google Cloud Platform | 0 |

Google now allows you specify the size of your boot disk larger than 10GB when you create your instance. In any case, if you need to resize your boot disk for any reason, these are the steps I followed. Here I’ve attached...

Google Cloud Services – How to Use Access Tokens Directly

by Jay Luong | Aug 19, 2015 | Cloud Computing, Google Cloud Platform, Storage | 0 |
Example Usage of Ruby Client LIbrary for Google Cloud Storage

by Jay Luong | Aug 19, 2015 | Cloud Computing, Google Cloud Platform, Storage | 0 |
How to Create a Swap File on Google Compute Engine Virtual Machines

by Jay Luong | Mar 4, 2015 | Cloud Computing, Google Cloud Platform | 5 |
How to Setup gcloud Tool on Ubuntu 12.04 LTS

by Jay Luong | Feb 11, 2015 | Cloud Computing, Google Cloud Platform, Networking | 0 |

Rails, Ruby

Ruby Classes, Modules, Mixins, and Inheritance

by Jay Luong | Feb 18, 2017 | Ruby | 0 |

Classes Classes are one of the building blocks of object-oriented programming. Think of them as blueprints for creating objects. When we just throw variables and methods inside a Ruby file, it’s very loosely associated....

Ruby: When to Use Symbol or String?

by Jay Luong | Feb 18, 2017 | Ruby | 0 |
Ruby Methods Basics

by Jay Luong | Feb 18, 2017 | Ruby | 0 |
Ruby Variables Basics

by Jay Luong | Feb 18, 2017 | Ruby | 1 |
Ruby Blocks Tutorial

by Jay Luong | Feb 15, 2017 | Ruby | 0 |

MySQL / Percona

MySQL Quick Fix – SSL connection error: socket layer send error (Mysql2::Error)

by Jay Luong | Sep 14, 2018 | Database, MySQL / Percona | 0 |

Assume you’ve already verified your certificates and keys on the sever side (checksum should be the same): openssl x509 -noout -modulus -in mycert.pem openssl rsa -noout -modulus -in mykey.pem mysql> show variables like...