Configure Nginx Logging and Log Rotation on Ubuntu VPS
October 11, 2025

Introduction Configuring Nginx logging and log rotation on Ubuntu is essential for maintaining efficient server performance. With the right setup, such as using the error_log and access_log directives, you can capture vital server activities and troubleshoot issues effectively. Additionally, managing log files with tools like logrotate ensures that log files don’t consume too much disk […]

Troubleshoot JavaScript Errors: Fix ReferenceError, SyntaxError, TypeError
October 11, 2025

Introduction When working with JavaScript, encountering errors like ReferenceError, SyntaxError, and TypeError is a common challenge developers face. Understanding these error types is crucial for troubleshooting and ensuring smooth code execution. These errors often stem from issues such as undefined variables, incorrect syntax, or improper data types. In this article, we’ll dive into each of […]

Set Up Ruby Development Environment on Windows 10 with WSL and RVM
October 10, 2025

Introduction Setting up a Ruby development environment on Windows 10 using the Windows Subsystem for Linux (WSL) can greatly improve your programming experience. With tools like Bash and the Ruby Version Manager (RVM), you can seamlessly integrate Linux-like capabilities into your Windows machine. This guide will walk you through the installation process and ensure everything […]

Master Ruby String Methods: Learn Text Manipulation Techniques
October 10, 2025

Introduction Mastering string manipulation in Ruby is a fundamental skill every developer should have in their toolkit. In Ruby, string methods like slicing, changing case, and modifying text help streamline how you work with text data. Whether you’re managing user input, formatting output, or cleaning up strings, understanding Ruby’s built-in string methods is essential for […]

Master Ruby Comments: Write Clear and Readable Code
October 10, 2025

Introduction Writing clean, understandable ruby code starts with clear communication—and that’s where comments come in. In ruby, comments are non-executable lines that document logic, purpose, and structure, helping both developers and collaborators follow the flow of code. Whether it’s a single-line note, a detailed block explanation, or an inline remark, well-placed comments improve code readability […]

Alireza Pourmahdavi

I’m Alireza Pourmahdavi, a founder, CEO, and builder with a background that combines deep technical expertise with practical business leadership. I’ve launched and scaled companies like Caasify and AutoVM, focusing on cloud services, automation, and hosting infrastructure. I hold VMware certifications, including VCAP-DCV and VMware NSX. My work involves constructing multi-tenant cloud platforms on VMware, optimizing network virtualization through NSX, and integrating these systems into platforms using custom APIs and automation tools. I’m also skilled in Linux system administration, infrastructure security, and performance tuning. On the business side, I lead financial planning, strategy, budgeting, and team leadership while also driving marketing efforts, from positioning and go-to-market planning to customer acquisition and B2B growth.