Build, Deploy, and Troubleshoot Modern Systems
Command-driven tutorials for Linux, containers, Kubernetes, backend development, web standards, security, and production operations.
Browse latest tutorials$ kubectl get pods -A
$ docker compose up -d
$ php -v
$ node --version
$ python --versionExplore tutorial series
Docker
Practical Docker tutorials covering installation, container lifecycle, images, Dockerfiles, storage, networking, security, troubleshooting, and production operations.
Kubernetes
Practical Kubernetes tutorials covering cluster installation, workloads, networking, storage, scaling, security, and operations.
Node.js
Hands-on Node.js tutorials for backend development, testing, security, containers, Linux, and Kubernetes.
Python
Practical Python tutorials for development, automation, testing and deployment.
HTML
Original HTML tutorials covering documents, forms, graphics, media, browser APIs, accessibility, examples, and references.
PHP
Practical PHP 8.3 tutorials for language fundamentals, web development, security, databases, testing, and deployment.
Products from LAPVN
Selected products currently available for enquiries.

Remote Pig Health Support & Herd Monitoring
Structured remote support for pig health observations, herd trends, video walkthroughs, monitoring records, triage, biosecurity, and coordination with licensed local veterinarians.
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Pig Farm Design & Planning Consulting
Professional pig farm concept design covering site layout, production flow, ventilation, water, feed, drainage, waste management, biosecurity, welfare, and expansion planning.
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DevOps Infrastructure Consulting & System Design
Architecture consulting for Kubernetes, Docker, MariaDB, MongoDB, ELK, CI/CD, observability, security, backups, migrations, and production operations.
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Lai Thieu A26 Grower Pig Feed – 20 to 40 kg
Complete powder or pellet feed for grower pigs in the approximate 20–40 kg stage. Contact LAPVN for current packaging, stock, pricing, and delivery.
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Lai Thieu Premium A20 Piglet Feed – 8 to 20 kg
Complete powder or pellet feed for young pigs in the approximate 8–20 kg stage. Contact LAPVN for current packaging, stock, pricing, and delivery.
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Lai Thieu Premium A10 Piglet Creep Feed
Complete powder or pellet creep feed for suckling piglets from approximately 5 days of age to about 8 kg. Contact LAPVN for current stock,…
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Fresh Young Coconuts for Drinking Water
Fresh young coconuts selected for naturally refreshing drinking water and tender flesh. Contact us for current harvest availability, quantities, pricing, collection, and delivery options.
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Pure Coconut Caramel Coloring Sauce
Pure coconut caramel coloring sauce with a rich amber color for Vietnamese braises, marinades, clay-pot dishes, and savory sauces.
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Young Wild Boar Piglets – 3.5 to 5 kg
Healthy young wild boar piglets in the 3.5–5 kg range. Contact us for availability, current pricing, quantity, and eligible delivery options.
View product →Latest tutorials

How to Install Java 25 on Ubuntu 24.04
Install OpenJDK 25 on Ubuntu 24.04, configure JAVA_HOME, select the default JDK, and compile and run a complete Java program.
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What Is OpenClaw? A Complete Guide to the Open-Source Personal AI Assistant
What is OpenClaw? Learn how this open-source personal AI assistant works, what it can do, how to install it, and what security…
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Deploy a PHP Application to Kubernetes
A practical PHP Kubernetes tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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Run PHP, Nginx, MySQL, and Redis with Docker Compose
A practical PHP Docker Compose tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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How to Dockerize PHP-FPM with a Multi-Stage Build
A practical PHP Docker tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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How to Deploy PHP-FPM Behind Nginx with HTTPS
A practical PHP Nginx deployment tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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How to Configure PHP-FPM 8.3 for Production
A practical PHP-FPM tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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PHP Code Quality with PHPStan, PHP-CS-Fixer, and Composer Audit
A practical PHP code quality tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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How to Test PHP Applications with PHPUnit
A practical PHP testing tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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Database Migrations and Seed Data in PHP Projects
A practical PHP database migrations tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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PHP PDO Transactions, Isolation, and Error Handling
A practical PHP database transactions tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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Connect PHP to MySQL Securely with PDO
A practical PHP PDO tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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PHP Security: XSS, SQL Injection, CSRF, SSRF, and Headers
A practical PHP security tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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PHP File Uploads: Validation, Limits, and Private Storage
A practical PHP file uploads tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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Build a JSON REST API with Native PHP
A practical PHP REST API tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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Password Hashing and Authentication in PHP
A practical PHP authentication tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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PHP Sessions, Secure Cookies, and CSRF Protection
A practical PHP session security tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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Build and Validate Secure HTML Forms with PHP
A practical PHP forms tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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How PHP Handles HTTP Requests, Headers, Cookies, and Responses
A practical PHP HTTP tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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Build a Layered PHP Application with Dependency Injection
A practical PHP application architecture tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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Composer Tutorial: Dependencies, Lockfiles, Scripts, and Audit
A practical Composer dependency management tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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How to Install Composer Securely on Ubuntu
A practical Composer installation tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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PHP Namespaces and PSR-4 Autoloading Explained
A practical Composer autoloading tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
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PHP Interfaces, Abstract Classes, Traits, and Composition
A practical PHP architecture tutorial for PHP 8.3 with runnable code, verification steps, troubleshooting, security guidance, and production best practices.
Read tutorial →Commands you can run. Results you can verify.
Implementation, checks, troubleshooting, and rollback considerations in every guide.