Tan Jin Chun

  The Cloud Folder That Does Not Break OCI Object Storage for Everyday Work If you have ever lost time hunting for the right file version or struggling to share a large folder securely, OCI Object Storage is a calmer way to store, share and protect data without turning it into a complicated project. The file problem nobody wants to own Most teams have the same story. A file starts small and harmless. Then it becomes a monthly report, a set of images, a dataset, a backup export or a folder of deliverables that keeps growing. People share it through email links, chat uploads or a shared drive that nobody really governs. A few weeks later, someone asks a simple question that suddenly feels hard. Which file is the latest. Who still has access. Where is the real source copy. This is where cloud object storage earns its place. Not as a shiny new tool, but as a practical home for important data that should not depend on one person’s laptop or one messy shared folder. What OCI Object ...

  Your Cloud Is Talking Are You Listening OCI Logging Events and Notifications A practical, human guide to how Oracle Cloud Infrastructure can collect what is happening, spot what matters and alert the right people before small issues turn into big ones. The problem with modern cloud is not lack of data Cloud platforms produce a huge amount of signals. Logs, metrics, state changes, access activity and service health updates are happening all the time. The problem is not that nothing is visible. The problem is that everything is visible in too many places and when something goes wrong, you do not know where to look first. This is why good teams still get surprised. Not because they are careless, but because attention is limited. You can only watch so many dashboards. You can only skim so many notifications. And when an incident starts, the first five minutes matter most. The goal of observability is simple. Make it easier to answer three questions quickly. What happened. Where ...

  Who Can Do What and Why It Matters Oracle Cloud Infrastructure Identity and Access Management If your cloud feels fast but your permissions feel scary, OCI Identity and Access Management is the part that turns chaos into clear rules you can actually trust. The moment access stops being a small detail Cloud work usually starts optimistically. A small team spins up resources, shares access and gets real progress quickly. Then the team grows, contractors join, new projects appear and suddenly there are many people touching the same environment. This is when a simple question becomes surprisingly important. Who is allowed to do what. It sounds basic, but it affects everything. Cost control, security posture, production stability and even team relationships. When access is unclear, people get blocked and start asking for broad permissions just to keep moving. When access is too broad, a small mistake can become a big incident. What OCI Identity and Access Management really is O...

  When You Want a Database That Takes Care of Itself Oracle Autonomous Database in Real Life Oracle Autonomous Database is for teams who want the power of Oracle Database without living in a constant cycle of patching, tuning and worrying about what got missed. The part of databases nobody enjoy Most people do not wake up excited to manage database maintenance. They care about what the database enables, like shipping features, running reports and keeping customer data safe. But the work behind the scenes is relentless. Security updates arrive. Performance drifts as data grows. Backups need to be verified. Capacity planning becomes guesswork. One mistake in a rushed change can create a long weekend. That is the core promise of Oracle Autonomous Database. It aims to reduce the manual work and human error that come with managing databases by automating common operations like patching, tuning and security measures. What Oracle Autonomous Database is in plain language Oracle Auton...

When You Need a Real App Not Another Spreadsheet Oracle APEX for Building Useful Internal Tools Oracle APEX lets everyday teams turn data into simple web apps The everyday problem that keeps coming back Most teams build the same workarounds again and again. Someone creates a spreadsheet for requests, another person manages approvals in email, and a third person copies the final results into a shared folder so everyone can find it later. It works until the team grows, the process changes or the spreadsheet breaks right before a deadline. The frustrating part is not the work itself. It is the repetition and the lack of a clean system. People do not always need a giant enterprise rollout. Sometimes they just need a small web app that is reliable, searchable and controlled. What Oracle APEX is in simple terms Oracle APEX is a low code platform for building web applications on top of Oracle Database. If your data already lives in a database, APEX helps you wrap it with a friendly user inte...

  When Your Apps Refuse to Talk Oracle Integration Cloud for the Rest of Us Oracle Integration Cloud is the Grown Up Way to Make Those Systems Cooperate. The quiet chaos of modern work Most companies do not run on one system. They run on a collection of tools that grew over time. Finance has one platform, sales has another, HR has its own portal and operations lives inside a mix of email, shared drives and service tickets. On paper, everything is digital. In reality, people still spend their days doing digital manual work. They export a spreadsheet, paste values into another system, forward approvals through email and hope everyone is looking at the latest version. It works until it does not. Then someone asks why the customer record is inconsistent, why invoices are delayed or why a new employee is not provisioned correctly. This is exactly the kind of problem Oracle Integration Cloud is meant to reduce. Oracle positions it as an integration service that helps connect applicati...

 When Spreadsheets Stop Scaling Oracle Analytics Cloud for People Who Just Want Answers A friendly but serious look at how Oracle Analytics Cloud brings messy reporting under control with governed metrics, cleaner data and dashboards people can actually trust. The moment spreadsheets stop being helpful Spreadsheets are brilliant until they become the system. At first, one file is enough. Then it becomes two files, then a shared folder, then a chain of forwarded attachments where nobody is sure which one is correct. People start spending more time confirming numbers than using them. The real issue is not effort or intelligence. It is that spreadsheets were never meant to be a shared source of truth for an entire team. They are a great workbench, but a shaky place to run decision making at scale. What Oracle Analytics Cloud actually is Oracle Analytics Cloud is an analytics platform that helps you connect to data, prepare it, model it in a business friendly way and then explore ...

  Description I built the OCI Cost And Usage Snapshot Analyzer as a lightweight Python automation tool that captures a point in time snapshot of what is currently running in an OCI compartment. Instead of pulling billing data, it focuses on resource usage metadata by collecting Compute instances and Block Volumes , then generating timestamped JSON and Markdown reports that can be uploaded to OCI Object Storage for easy auditing and sharing.  Codebase GitHub Code: Click Here Why This Is Useful In many OCI environments, teams want a quick and repeatable way to answer: What resources exist right now in this compartment, what state are they in and how does the footprint change over time? A consistent snapshot is useful for operational reviews, governance checks and simple “before and after” comparisons when changes are made. This tool makes that easy by producing both a human readable Markdown report and a machine friendly JSON output in every run. What The Tool Does The...

  Description As OCI environments grow across multiple compartments, teams often accumulate IAM policies over time. While these policies enable teams to move quickly, they can also introduce configuration drift, privilege creep or inconsistencies between intended and actual access controls. The OCI IAM Policy Drift Auditor is a lightweight Python automation tool built on top of the OCI SDK to systematically audit IAM policies across compartments and detect drift. It captures a structured snapshot of IAM policies, compares them against a defined baseline or expected configuration and produces human-readable and machine-readable outputs for review and automation. The project is intentionally designed to be safe and read only , focusing purely on inspection and reporting. It does not modify or enforce changes. Instead, it helps security teams and cloud administrators gain visibility into policy state and identify potential deviations early. I thought it would be useful to share t...

Introduction of Python Tool That Maps OCI Resource Footprints Across Availability Domains For Resilience And Capacity Planning Description I built the OCI Availability Domain Footprint Mapper as a standalone, read-only OCI automation tool that maps Compute placement and network footprint by Availability Domain (AD). It generates timestamped JSON + Markdown reports and can optionally upload those artifacts to OCI Object Storage for easy sharing and repeatable auditing. Codebase GitHub Code: Click Here Why This Is Useful In real OCI environments, it is surprisingly easy for workloads to end up lopsided in one Availability Domain or concentrated in a small set of subnets. That can quietly reduce resilience, increase blast radius during failures and make capacity planning harder than it needs to be. This tool exists to give platform and operations teams a quick, repeatable way to understand where compute is placed , how IP usage is distributed and whether the deployment footprint lo...

  OCI Block Volume Backup Posture Auditor Introduction of Python Tool That Audits OCI Block And Boot Volume Backups, Flags Stale Or Missing Backups and Generates Backup Posture Reports Description I built the OCI Block Volume Backup Posture Auditor as a standalone OCI automation tool to audit block volume and boot volume backup hygiene across compartments. It produces timestamped JSON + Markdown findings and uploads the artifacts to OCI Object Storage so teams can review results, share evidence and track posture over time. The tool is designed to be safe to run in production because it uses read-only OCI API calls , with the only write action being the optional Object Storage upload of the generated reports. Codebase GitHub Code: Click Here Why This Is Useful Backups are one of those controls that everyone assumes are in place until something breaks. In a real tenancy, volumes get created quickly, instances move across compartments and backup routines can drift without any...