Having 12+ Years of Experience in Software Development
Understanding the Need for Legacy Stacks In modern software development, the relentless march towards the latest stable versions of languages, frameworks, and databases is often a strategic imperative. However, a significant portion of the internet’s infrastructure still relies on older, albeit stable, software versions. This is particularly true for legacy applications that are critical to […]
Plugin Architecture: The WordPress Ecosystem Developing a WordPress plugin involves understanding its core architecture and the hooks that allow for extension. At its heart, WordPress is a PHP-based application that leverages a database (typically MySQL) for content storage. Plugins interact with WordPress by “hooking” into specific actions and filters. Actions allow you to execute your […]
Assessing the Current Apache State on openSUSE Leap 15.5 Before initiating any upgrade, a thorough understanding of the existing Apache HTTP Server configuration is paramount. This includes identifying the exact version, installed modules, and the structure of your virtual host definitions. On openSUSE Leap 15.5, Apache is typically managed via `systemd` services and its configuration […]
Pre-Upgrade Validation: Redis Replication Cluster Failover Readiness Before embarking on a Redis replication cluster upgrade on RHEL 9, a critical prerequisite is validating the failover mechanism. A robust failover strategy ensures minimal downtime and data loss during maintenance. This document outlines a series of pre-flight checks and runbooks designed to confirm the health and readiness […]
Assessing the Current Nginx Installation Before initiating any upgrade, it’s paramount to understand the existing Nginx version and its installation source. On Ubuntu, Nginx is typically installed from either the official Ubuntu repositories or a third-party repository, most commonly the official Nginx mainline or stable repository. We’ll start by identifying the installed version and its […]
Pre-Upgrade Assessment and Preparation Before embarking on a major PostgreSQL version upgrade, a thorough assessment of the existing cluster is paramount. This involves understanding the current resource utilization, identifying any deprecated features or extensions that might not be compatible with PostgreSQL 16, and establishing a robust rollback strategy. For a high-traffic production environment, minimizing downtime […]
Prerequisites and Initial Assessment Before embarking on the PHP upgrade from 8.2 to 8.3 on Rocky Linux 9, a thorough assessment of your current environment is paramount. This includes identifying all installed PHP extensions, their compilation methods (e.g., PECL, distribution packages), and any custom configurations. Understanding dependencies is crucial to avoid service disruptions. We’ll assume […]
Prerequisites and System Update Before proceeding, ensure your openSUSE Leap 15.5 system is up-to-date. This guarantees you have the latest security patches and package versions, which is crucial for a production environment. We will also verify the presence of necessary packages. Execute the following commands to update your system and install Apache, PHP-FPM, and necessary […]
Prerequisites and Initial Setup This guide details the installation and configuration of a local Composer mirror server on Red Hat Enterprise Linux 9 (RHEL 9). The primary objective is to significantly accelerate internal developer deployment loops by reducing external network latency and dependency on public repositories. This setup is crucial for enterprises with strict security […]
Prerequisites and System Preparation Before proceeding with the installation of Prometheus Node Exporter on Rocky Linux 9, ensure your system is up-to-date and has the necessary tools installed. This section outlines the essential preparation steps for a robust infrastructure audit setup. Verify that your Rocky Linux 9 system has internet connectivity and that the `dnf` […]