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JavaScript/Node.js/Databases: Key to Passing the WDE Exam.

On Friday, December 12, 2025, at 12:00 PM, LPI Japan will host a webinar titled "JavaScript/Node.js/Databases: Key to Passing the WDE Exam." Mr. Hikaru Hori will provide detailed explanations during this webinar. This session focuses on preparing for the LPI Certification Exam (Web Development Essentials) by covering: JavaScript, Node.js, and databases used [...]

[For Students & Beginners] Become a Web Engineer ~ Master WDE! Part 4: Node.js Introduction~

On Saturday, November 29, 2025, starting at 11:00 AM, LPI Japan will host the webinar "<Revised Edition> [For Students & Beginners] Become a Web Engineer ~ Master WDE! Part 4: Node.js Introduction~". In this webinar, Ms. Kana Kawamura will provide a detailed explanation. This session updates and delivers content from the [...]

Mastering LPI WDE #5: Server-Side Programming with Databases and Node.js

The previous article in this series talked about JavaScript, the front-end programming language that makes web pages dynamic and enables interaction with the end user. Over the years, JavaScript has also expanded its server-side capabilities, finding applications in back-end programming. And this is where Node.js comes into play. Node.js for [...]

Code That Built the Internet: The Impact of BSD, Part 1

Like the Spanish Inquisition, nobody expected the internet. Its earliest appearance (as ARPANET) took place in the same year—1969—as the comedy troupe behind the Spanish Inquisition quip, Monty Python. But during its first decade, the internet was treated as a convenience for file-sharing and a couple other applications; few [...]

LPI at Developers Summit 2026 Summer

LPI Japan and OpenEDG are pleased to announce that we will be exhibiting at Developers Summit 2026 Summer, taking place on July 16–17, 2026. The Linux Professional Institute (LPI) Japan Branch and OpenEDG Python Institute provide globally recognized certification programs that validate Linux and Python skills, including LPIC and PCEP/PCAP, [...]

How Kubernetes Came to Dominate Large-Scale Computing: Part 2

The first article in this two-part series laid out the landscape of distributed computing just before containers became a viable option. Now we’ll bring the story up to date. Although the term "containers" originated with the Docker project, the idea is usually traced back to a feature that the FreeBSD [...]

DevOps Tools Introduction #13: Prometheus Monitoring

While we have talked a lot about application deployment, we still need to cover how to keep these applications up and running. The DevOps Tools Engineer exam covers Prometheus Monitoring for this task. Modern IT operations have evolved from merely keeping the systems running into a focus on ensuring that [...]

DevOps Tools Introduction #10: Basic Kubernetes Operations

Objective 703.2 of the DevOps Tools Engineer 2.0 exam covers Basic Kubernetes Operations. It represents a significant portion of the exam and requires a solid understanding of how to deploy and manage applications in Kubernetes. Candidates should be able to: Work with Kubernetes resources using declarative YAML files Understand [...]

DevOps Tools Introduction #09: Machine Deployment

In previous discussions about DevOps tools, we explored container virtualization and how containers transformed the way applications are packaged and deployed. One of the major advantages of containers is their extremely fast startup time combined with minimal resource overhead compared to traditional virtual machines. Because containers share the host [...]

DevOps Tools Introduction #08: Container Infrastructure

While Docker makes it easy to start and manage containers, there must still be a base system hosting the containers. These systems form the infrastructure on which containers run and are covered by objective 702.3 of the DevOps Tools Engineer exam. Container images are the foundation of modern cloud-native infrastructure. [...]