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RRRajesh Ravirajeshravi.comJun 7 · 11 min read

OEM 24ai and OCI Observability Services: Stop Choosing. Start Connecting.

Oracle observability post #2 — picking up from where we left off on the configuration gaps most teams miss after an OEM 24ai install. There's a debate that comes up in almost every Oracle architectur

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SMSiddhartha Mukherjeeiamsidd.hashnode.devMay 19 · 8 min read

How I Built a Full Stack Disaster Recovery System on Oracle Cloud — And What Broke Along the Way

A hands-on journey from zero to a working DR setup across two OCI regions I recently set out to learn Oracle Cloud Infrastructure's Full Stack Disaster Recovery (FSDR) from scratch. No prior experien

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SMSiddhartha Mukherjeeiamsidd.hashnode.devMay 16 · 4 min read

OCI Monitoring: Configure CPU Utilization Alarms to Trigger PagerDuty Notifications

Pre-requisites Make sure you have a virtual machine ready whose CPU utilization you will monitor. Make sure Oracle Cloud Agent is active when you provision a VM. It is actually a lightweight process

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TGTiffany Gathonitiff-explores.hashnode.devApr 27 · 3 min read

Infrastructure as a Prison: Why My "Open" Ports Were Gaslighting Me

I used to think mapping a port in Docker and exposing it was the finish line. That was before Oracle Cloud introduced me to its layered trust issues. This was the part of the OpenClaw build where my a

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HRHassan Razahassan-cafe.hashnode.devDec 27, 2025 · 4 min read

How to Fix Date of Birth Scrolling Issues in APEX

The Friction Point We’ve all seen it: a user opens a standard date picker to enter their Date of Birth and immediately begins the "click-marathon" to get back to the 1970s or 80s. Even with year-selection enabled, the cognitive load of navigating a c...

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RGRyan Giggsryan-giggs.hashnode.devNov 24, 2025 · 10 min read

MySQL HeatWave: Replicating to MySQL Server (Outbound Replication)

Outbound replication enables you to copy data from a MySQL HeatWave DB system to external MySQL instances, supporting data distribution, disaster recovery, and hybrid cloud architectures. Unlike inbound replication where HeatWave acts as the replica,...

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EEkfrazoekfrazo.hashnode.devNov 18, 2025 · 7 min read

The Oracle Cloud Migration Blueprint

The Complete Oracle Cloud Migration Handbook for IT Leaders Last quarter, we helped a manufacturing client complete their Oracle Cloud Infrastructure migration in 14 weeks—half their original timeline. The secret wasn't cutting corners. It was learni...

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CCCristhian Cano Bogadoparaguayandev.hashnode.devNov 8, 2025 · 3 min read

APEX_CSS: Almacena Bloques CSS en base de datos y aplicalos en APEX.

En el artículo anterior, aprendimos a usar el paquete APEX_CSS para aplicar estilos dinámicos directamente desde PL/SQL, adaptando el diseño de la página según el usuario o las condiciones de negocio.Si todavía no lo leíste, te recomiendo hacerlo ant...

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RGRyan Giggsryan-giggs.hashnode.devNov 7, 2025 · 12 min read

MySQL HeatWave: Creating High Availability DB Systems and Understanding Limitations

MySQL HeatWave offers enterprise-grade high availability features that ensure your database remains operational even during hardware failures or maintenance events. Understanding how to properly configure high availability and its associated limitati...

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RGRyan Giggsryan-giggs.hashnode.devOct 16, 2025 · 11 min read