0 jq – Linux command line tool for interpreting and manipulating JSON documents
I am not the first to discover jq, or even to write about it. However, jq was such a valuable…
0 Trying out Project Fn handson – using only your browser
Project Fn is an open source framework for creating and running serverless functions. Project Fn produces a Docker container image…
0 Further customizing a Grafana Custom Plugin in React
In my previous blog I created a custom plugin for Grafana with React and more specifically the Material UI TreeView.…
0 Rapidly spinning up a VM with Ubuntu and k3s (with the Kubernetes Dashboard) on my Windows laptop using Vagrant and Oracle VirtualBox
In November of last year, my colleague Lucas Jellema, wrote an article with the title “Ultra fast, ultra small Kubernetes…
0 Somewhat Stateful Serverless Functions on Oracle Cloud Infrastructure – Implementing a DIY Cache
We call them serverless and we consider them stateless. Functions on Oracle Cloud Infrastructure (and on other cloud platforms). Of…
0 JavaScript: Mapping and Wrapping Classic Callback Functions to Promises and Async / Await
Callback functions used to be very common in JavaScript and Node applications. Out of necessity. And with Callback functions came…
0 Asynchronous Function Calls through API Gateway on Oracle Cloud Infrastructure
In a recent article, I described how serverless Functions on Oracle Cloud Infrastructure can invoke each other: synchronously and asynchronously.…
0 OCI Serverless Functions invoking other Functions – synchronous and asynchronously through API Gateway and Streaming
OCI allows for cloud native application development, using facilities such as serverless functions, a light weight API gateway, a streaming…
0 Using OCI Monitoring Healthchecks to Schedule execution of Serverless Functions on Oracle Cloud Infrastructure
Execution of scheduled jobs based on a time schedule is a frequent requirement. Jobs on Oracle Cloud Infrastructure are often…
0 Oracle Cloud Streaming Service – Scalable, Reliable, Kafka-like Event service on OCI
Oracle Cloud Infrastructure offers the Streaming service. This service is easily described as a Kafka-like fully managed event platform for…
0 Deprecated: (!First Steps) with Oracle Cloud’s Pub/Sub Service: Oracle Messaging Cloud Service
Fire and forget messaging is a powerful concept. Asynchronous, decoupled communication is key to scalability and independence of services. Oracle…
0 Publish Oracle Function for Reading and Writing Object Storage Files through OCI API Gateway
The objective for this article is to show you how to get to the point where two routes are available…
0 Oracle Cloud Infrastructure – Leveraging API Gateway as Read Only Cache from serverless Function
This article demonstrates a set up that is probably mainly of theoretical interest or maybe useful in demonstrations. I describe…
0 Oracle Cloud API Gateway – Using an Authorizer Function for Client Secret Authorization on API Access
The objective in this article: create a simple Authorizer Function that checks the Client Secret passed in API calls and…
0 pgAdmin in Docker: Provisioning connections and passwords
pgAdmin is a popular open source and feature rich administration and development platform for PostgreSQL. When provisioning Postgres database environments…
0 Oracle Cloud Infrastructure Functions and Project Fn – Retrieving Headers, Query Parameters and other HTTP Request elements
Functions on Oracle Cloud Infrastructure are implemented using Project Fn. A function runs in Docker container. This container has a…
0 Oracle Cloud Serverless Functions unleashed: exposing OCI Functions through API Gateway
Oracle Cloud Infrastructure API Gateway makes it possible to expose OCI Functions on public endpoints that do not require complex…
2 Scheduling Oracle Cloud Function execution
Functions on Oracle Cloud are an important element in any cloud native application architectures. Functions are typically small, well contained…
1 Override Date.now() based on OS time when Node returns incorrect current date
I was facing a weird issue. In my Node application – version 10.6.3 – running on Ubuntu – 18.04 -…
7 Finally, sftp from an Oracle database using plain plsql
Just a quick blog to get me through the Christmas eve. More than 5 years ago I wrote a blog…