Blog - Tag: OCI

OCI MySQL HeatWave Setup Checklist for Small Teams

A clean OCI MySQL HeatWave setup starts before the database is created. This checklist helps small teams plan the network, access rules, backups, users, and operational checks that make the deployment easier to maintain. Use it before launch to avoid common mistakes like public database exposure, unclear ownership, or backups that have never been tested. The goal is a practical production-ready setup, not just a working demo.

Oracle Cloud MySQL Setup: Practical OCI Guide

Oracle Cloud MySQL setup is easier when you plan the network, security, backup, and access model before creating the database system. This guide walks through the practical decisions that matter for a clean OCI MySQL deployment. You will learn what to prepare, what mistakes to avoid, and when MySQL HeatWave features may be useful. It is written for teams that want a reliable setup instead of a quick demo that becomes hard to maintain.

Create a Server in Oracle Cloud: Step-by-Step OCI Compute Instance Guide

Creating a server in Oracle Cloud is one of the first and most important tasks when building on OCI. This guide walks through launching a compute instance, selecting the right configuration, securing access, and applying infrastructure best practices. You'll also learn common mistakes to avoid and practical recommendations for maintaining a secure environment. Whether you're deploying a test environment or production workload, this guide provides a solid starting point.

OCI VCN Architecture for Beginners: Public and Private Subnets Explained

Learn the difference between public and private subnets in OCI VCN and the recommended architecture for small teams.

Designing a Multi-Tier Network in OCI: Best Practices and Implementation

In this guide, we'll design and build a classic three-tier architecture in OCI—web, application, and database layers. This is the setup used by nearly every enterprise workload because it provides scalability, separation of concerns, and strong security boundaries.

How to Deploy Compute Servers in OCI: A Practical Deep-Dive Guide

In this tutorial, I’ll walk you through the correct, repeatable, and secure way to deploy compute instances in Oracle Cloud Infrastructure. Whether you're building your first Always Free VM or deploying production Linux servers, getting the fundamentals right saves you hours of troubleshooting later. Compute instances are the backbone of your workloads—web servers, application services, database clients, automation nodes, and more. A wrong setup creates security gaps, performance issues, or unnecessary exposure to the public internet.

Building a Secure VCN in OCI: A Complete Guide for Small Businesses

In this guide, I’ll take you through a deep technical walkthrough of building a Virtual Cloud Network (VCN) in Oracle Cloud Infrastructure. If you’re a small business owner, developer, or network engineer, this is the foundation of everything you will ever deploy in OCI. A poorly designed VCN creates ongoing problems—slow services, blocked traffic, security exposures, and troubleshooting nightmares. A well-designed VCN gives you speed, visibility, and a rock-solid security posture.

Recover lost access to OCI server - lost passwrod for RSA key

When you lost your RSA key to server you need to find a way to recover that key. I was in this same place, here are my notes how to get to single user mode and get back control over your server

Connect to server using Console

Troubleshooting HeatWave — Common Issues, Causes & Fixes

Even though HeatWave is highly stable, DBAs occasionally encounter load failures, memory issues, or cluster instability. This article covers the most common HeatWave problems and how to fix them.