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Onidel

  • Joined: July 29, 2025
  • Articles: 90

How to Build an Active‑Active Amsterdam VPS ↔ New York VPS Architecture: GeoDNS/Anycast, HAProxy, PostgreSQL 17 Logical Replication, and S3 Object Replication on Ubuntu 24.04 (2025 Tutorial)

Building a truly active-active architecture across continents requires careful orchestration of DNS routing, load balancing, database replication, and object storage synchronization. In this comprehensive tutorial, we’ll deploy a production-ready active-active setup between Onidel Amsterdam VPS and Onidel New York VPS…

How to Perform Zero‑Downtime Online Schema Changes on MySQL 8.4 LTS on an Ubuntu 24.04 VPS with gh‑ost and pt‑online‑schema‑change: Cutover Safety, Replica Lag Control, and Rollback (2025 Tutorial)

Database schema migrations in production environments require careful planning and execution to avoid costly downtime. Traditional MySQL schema changes can lock tables for extended periods, causing application outages and data inconsistencies. This tutorial demonstrates how to perform zero-downtime online schema…

How to Perform a Zero‑Downtime MySQL 8.0→8.4 LTS Upgrade on an Ubuntu 24.04 VPS with InnoDB Cluster (Group Replication), MySQL Router, Rolling Cutover/Failback, and TLS (2025 Tutorial)

Introduction Upgrading MySQL from 8.0 to 8.4 LTS in production environments requires careful planning to maintain high availability and prevent data loss. With MySQL 8.4 LTS offering enhanced performance, security improvements, and long-term support, the upgrade provides significant benefits for…

How to Perform a Zero‑Downtime PostgreSQL 16→17 Upgrade on an Ubuntu 24.04 VPS with Logical Replication, Cutover/Failback, and TLS (2025 Tutorial)

Introduction Upgrading PostgreSQL in production environments requires careful planning to avoid service disruptions. While traditional upgrade methods like pg_dump and pg_upgrade require downtime, logical replication enables zero-downtime PostgreSQL upgrades by maintaining a synchronized replica during the transition. This comprehensive tutorial…

How to Set Up Point‑in‑Time Recovery Backups for MySQL 8.4 LTS on an Ubuntu 24.04 VPS with MySQL Shell Dump, Binary Logs, and S3‑Compatible Storage (2025 Tutorial)

Setting up comprehensive point-in-time recovery (PITR) for MySQL 8.4 LTS is crucial for production databases. This tutorial demonstrates how to implement a robust backup strategy combining MySQL Shell’s logical dumps with binary log backups to S3-compatible storage, enabling recovery to…

NATS JetStream vs RabbitMQ vs Apache Kafka on VPS in 2025: Throughput/Latency Benchmarks, Exactly‑Once vs At‑Least‑Once, Durability/Replication, TLS/mTLS, and the Best Message Broker for Your Stack

Choosing the right message broker can make or break your distributed system’s performance and reliability. In 2025, three solutions dominate the landscape: NATS JetStream, RabbitMQ, and Apache Kafka. Each offers distinct architectural approaches to messaging, with trade-offs in throughput, latency,…

Sales/Marketing Specialist – APAC

About Us: Onidel is a fast-growing startup based in Australia, dedicated to delivering innovative cloud hosting solutions to customers across the globle. We are passionate about technology and committed to excellence. Join our dynamic team and be part of an…

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