PostgreSQL Backup and Restore with pg_dump & pg_restore
Vijona9 Jul at 11:14 Backing Up and Restoring PostgreSQL Databases with pg_dump pg_dump is a PostgreSQL utility that enables administrators to export databases in multiple formats such as full, copy,…
R-sub and gsub String Replacement Guide
Vijona2 Jul at 10:08 How to Use sub() and gsub() in R for String Replacement R provides sub() and gsub() as core base functions for replacing text patterns. Both functions…
Coreflux MQTT Broker with MongoDB for IoT Automation
Vijona23 Jun at 13:14 Deploy an IoT Automation Pipeline with Coreflux MQTT Broker and MongoDB MQTT brokers are a core component of modern IoT infrastructures and automation environments. They provide…
Coreflux MQTT Broker Setup: IoT Data Pipeline with Managed Databases
Vijona17 Jun at 9:59 Deploying a Coreflux MQTT Broker with Managed Databases for IoT Data Processing MQTT brokers connect IoT devices and applications through a publish-subscribe messaging model, which makes…
Kafka and MongoDB: Build Real-Time Data Pipelines
Vijona16 Jun at 15:09 How to Build Real-Time Data Pipelines with Kafka and MongoDB The world is evolving at high speed, especially in technology, which continues to reshape workflows across…
Lease Management with PostgreSQL for Multi-Instance Applications
Vijona3 Jun at 11:25 Using Leases for Safe Resource Coordination in Multi-Instance Applications Consider an application deployment in which a single process runs both a web service and a background…
Database Normalization Explained: 1NF, 2NF, 3NF & BCNF Guide
Vijona7 May at 16:09 Database Normalization Guide: Normal Forms, Examples, and When to Use Normalization Database normalization is a core practice in relational database design that focuses on structuring data…
Cloud Snapshot Misuse: Costs, Copy-on-Write, and Prevention
Vijona16. December 2025 Snapshot Management in Centron Cloud Storage: Preventing Misuse and Hidden Costs Snapshots are among the most valuable capabilities in today’s cloud storage environments. They enable recovery to…
How to Build a Highly Available PostgreSQL Cluster with Patroni and HAProxy on Ubuntu 24.04
Vijona25. November 2025 Set Up a Three-Node PostgreSQL Cluster with Patroni and HAProxy on Ubuntu 24.04 PostgreSQL is a feature-rich, reliable, and scalable open-source database management system. For mission-critical environments,…