Articles
Persistent HDD APM settings
An HDD can be configured to spin down after a certain time via the APM settings which can be managed by smartctl. Unfortunately, those settings do not persist after a reboot. This article presents a solution to the problem
Deploying a TensorFlow model on a Jetson Nano using TensorFlow serving and K3s
The Nvidia Jetson Nano constitutes a low cost platform for AI applications, ideal for edge computing.However, due to the architecture of its CPU, deploying applications to the SBC can be challenging. In this guide, we'll install and configure K3s, a lightweight kubernetes distribution made specifically for edge devices. Once done we'll build and deploy an TensorFlow model in the K3s cluster.
Mongoose bulk update upsert
MongoDB's upsert option enables the creation of a new document if the query of an update operationdoesn't match any existing document. Basically, an update command with upsert creates a document if it does notexist already, and update it otherwise.
Encrypting Mosquitto using Certbot
This article presents how to encrypt a Mosquitto MQTT broker using SSL certificates obtained with Let's Encrypt
Minikube using insecure registry
By default, Minikube will not allow the usage of insecure docker registries. To change this setting, Minikube can be started as so:
TypeScript setup
A guide to setup a TypeScript project from scratch
Sending pictures via http with an ESP32-CAM
Pictures taken with the ESP32-CAM can be sent in a multipart/form-data type content via HTTP. Here is a sample code to achieve this:
Nginx as reverse proxy in Kubernetes
Although API gateways such as Kong exist, a simple reverse-proxy can be created using NGINX. Here is a sample manifest to do so in Kubernetes
Combining two independent git repositories
This article presents how to combine two independent and unrelated git repositories.
Node.js DevOps example
In this article, we’ll build a simple Node.js application that uses Express to respond to HTTP requests. In order to deploy this application to production, we’ll also configure a GitLab CI/CD pipeline so as to dockerize it and deploy its container to a Kubernetes cluster.