24 September 2021

Persistent Data & Resource Management

Persistent Data In previous articles, we have seen that if a POD is decommissioned or the container is restarted, all data present on the file system of the POD is deleted. It is a winning approach for all those stateless applications (for example a web […]

18 September 2021

Kubernets: Health-Check & Port-Forwarding

HEALTH-CHECK One of the features advanced and most important of Kubernetes is the health-check which allows you to control the integrity services. It is an additional layer that adds to the standard controls that guarantee that the application processes are always running ( livenessProbe ), […]

14 September 2021

Kubernetes: Pods

In previous articles, we have seen that containers are ” abstract ” places where applications run in the form of images. The PODs are the aggregation of more containers. A service it is the aggregation of more POD . The image of Figure 1 shows […]

4 September 2021

Ecological Parable: Two Men in a Boat

by S. Invernizzi Lying and half dozing on the edge of a cabin cruiser, Dr. S. sailed driven by a light afternoon breeze; suddenly a roar of thunder broke the rhythmic rustle of the wind and water, making our jump, who scanned the sky in […]

4 September 2021

Kubernetes: The components

In previous articles, we have seen some details of how the architecture by Kubernetes. Today we will describe the working mechanisms of the Kubernetes engine indicating the name of each component; to stay true to the comparison of the car engine, we will talk about […]

29 August 2021

Kubernets: Knowing the details

A good way to describe cloud-native environments is to refer to the image of your car. The container is the engine, k8s is the electronic control unit that manages the proper functioning of the vehicle, the drivers, indicating the route and the destination, select the […]

29 August 2021

Cloud Native Kubernetes: Flow and Job opportunity

This article wants to explain the new job opportunities created by a cloud-native environment. Picture n°1 shows the four main layers needed from architecture to work properly (left rectangular part). On the right side (circles) are represented the operator’s Job roles referred to every layer. Picture […]

28 August 2021

Kubernets: Why adopting it?

Kubernetes (k8s), is an open-source platform, pioneered by Google, which started as a simple container orchestration tool but has grown into a cloud-native platform. Why “k8s” has become so widely used? Because it is able to answer very well the common requests of quality of […]

4 August 2021

Modern Applications – Episod 4: Docker Compose – YAML

The topic of this article is understanding how to automatize the delivery of a micro-service. In the previous one, I showed the flow process of a service. This flow requires typing a lot of commands to launch any single container. Is there a way to automatize the […]

22 July 2021

Bridge: New ideas and bad habits

When I finish reading an article, I normally have two distinct impressions: In the first case the article has detailed and well explained subject coming to a clear conclusion. In the second the message is confused, does not reach the target, and becomes a generator […]

13 July 2021

Bridge – Safety Games

Article is taken from “ Encyclopedia of Bridge “By G. Barone. AS IF. “As if” games are defined as those situations in which the requirements of the contract oblige the declarer to play in a certain way and only in that way because, despite having […]

8 July 2021

Earth Day: La giornata della terra

‘Earth Day‘ celebrated every year by the United Nations since 1970, is April 22nd and aims to raise awareness and keep alive a fundamental value: environmental ethics. The good news: For the first time in years, smog is falling down in every corner of the […]