PostgreSQL replication is a robust solution for ensuring database availability, load balancing, and failover readiness. This guide provides a step-by-step approach to setting up Master-Slave replication on Debian 12, using PostgreSQL 15, along with hostname-based configurations. 1. System Prerequisites 1.1 Server Environment We will use four Debian 12 servers with PostgreSQL 15 installed: 1.2 Update… Continue reading
When setting up a PostgreSQL master-slave replication or general database storage management, you should consider mounting specific storage paths to optimize performance, ensure data integrity, and manage disk usage efficiently. Below is a list of important PostgreSQL storage paths and their purposes: 1. Data Directory (Main Database Storage) Path: /var/lib/postgresql/<version>/main/Purpose: Stores all PostgreSQL database files,… Continue reading
With the Windows Subsystem for Linux (WSL), you can enjoy the power of Linux on your Windows 11 system. This guide will walk you through setting up WSL, running Debian 12, exporting it from a desktop computer, and importing it to a laptop with a custom name as the second Debian 12 instance. 1. Setting… Continue reading
RabbitMQ is a robust message broker widely used in distributed systems. This guide provides a detailed, step-by-step tutorial on installing RabbitMQ 3.10.8 with Erlang 25.2.3 on Debian 12 and configuring a Master-Slave cluster. The setup will involve two servers: a Master at 10.11.33.83 and a Slave at 10.11.33.93. 1. Configure Hostname Resolution Ensure both servers… Continue reading
When working with Docker to build scalable applications, networking and service configuration are critical components. Over the course of our exploration, we’ve touched on a variety of topics, starting with creating a docker-compose.yaml template, understanding network modes like bridge and host, and configuring services like MySQL. This article captures the complete journey to demystify Docker’s… Continue reading
Mattermost is a powerful open-source collaboration tool that can be deployed in various ways, including using Docker for easy setup and management. This tutorial will guide you through setting up Mattermost on Debian 12 using Docker, with an external PostgreSQL database configured in host network mode and without setting up Nginx. Prerequisites Before proceeding, ensure… Continue reading
Minggu lalu, handphone alias gawai andalan yang sudah menemani berkaktivitas selama beberapa tahun, mendadak mati ketika sedang melakukan perjalanan komuter di kereta. Beberapa gejala gangguan memang sudah saya rasakan dan alami sebelumnya, handphone yang sering tiba-tiba lambat alias lemot lalu ‘sembuh’ sendiri, layar yang kedap-kedip dan bergerak scroll sendiri, serta indikator pengisian baterai yang sering… Continue reading
Continuing from our previous article on setting up Docker and running Docker Compose on Debian 12 Bookworm, let’s dive deeper into understanding where Docker stores its image files and how to customize the storage directory for better management. Default Docker Image Storage Location on Debian 12 By default, Docker stores all its data, including images,… Continue reading
Beberapa kali saya dihadapkan akan kebutuhan untuk mengakses situs-situs yang diblokir pihak Kominfo (sekarang Komidigi). Kebutuhan ini pastinya untuk urusan yang postif ya, terkait pekerjaan dan profesi saya saat dalam membuat aplikasi, riset dan juga mengelola berbagai sistem, server di berbagai datacenter di seluruh dunia. Diluar kontroversi mengapa situs-situs yang sebenarnya bermanfaat atau banyak manfaatnya… Continue reading