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João Carlos Ottobboni (@jcottobboni)
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How to Create a Dynamic NFS StorageClass with Helm and Use It in Kubernetes Deployments

How to Create a Dynamic NFS StorageClass with Helm and Use It in Kubernetes Deployments In this tutorial, we’ll walk you through the process of creating a dynamic NFS StorageClass in Kubernetes us...

How to Update a k3s Cluster

How to Update a k3s Cluster Updating a k3s cluster can be straightforward when you follow the correct steps. This tutorial will guide you through the process of updating the master node and joinin...

Error installing mysql2: Failed to build gem native extension

Error installing mysql2: Failed to build gem native extension Installing the mysql2 gem can be challenging, especially when building the native extension fails due to missing dependencies. This tu...

How to Install a k3s Cluster with k3sup

How to Install a k3s Cluster with k3sup In this tutorial, we’ll walk you through the process of installing a k3s cluster using k3sup (pronounced “ketchup”). k3sup is a simple and fast way to boots...

Rails Routing Constraints

When to use Routing Constraints in Rails? Constraint allows the router to behave differently based on the request at the routing level instead of controller level. eg showing a different homepage ...

Seeding Your Database with Rake Tasks

:link: What is Rake? Rake is a build automation tool written in Ruby. It allows you to automate tasks such as running tests, migrating databases, and more. Rails uses Rake for running various tas...

Setting Up a Local Kubernetes Cluster with Minikube and Deploying a Ruby on Rails Application with PostgreSQL

Setting Up a Local Kubernetes Cluster with Minikube and Deploying a Ruby on Rails Application with PostgreSQL This tutorial will guide you through setting up a local Kubernetes cluster using Minik...

How to Install Docker on Ubuntu/Debian

How to Install Docker on Ubuntu/Debian Docker is a container platform that allows you to develop, ship, and run applications in isolation. This tutorial will guide you through the process of insta...

Truncate database in Ruby on Rails 6

Truncate database in Ruby on Rails 6 Instead of chaining rails db:drop, rails db:create and rails db:migrate we are finally able to use one command that will clean database in case you have to seed...

Ruby On Rails console sandbox mode

Ruby On Rails console sandbox mode If you want to perform some data migration/modification on production and you want to be sure that it will not break anything you can always perform a test run us...