Kubernetes

How to Install Vagrant and VirtualBox on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install and Use Helm on Ubuntu 24.04

Helm is the package manager for Kubernetes. It uses Charts — collections of pre-configured Kubernetes resource files — to deploy applications consistently. This guide installs Helm on Ubuntu 24.04 LTS and demonstrates deploying a chart. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server kubectl configured to access a Kubernetes cluster A […]

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How to Install Vagrant and VirtualBox on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up ArgoCD on Ubuntu 24.04

ArgoCD is a declarative GitOps continuous delivery tool for Kubernetes. It synchronises Kubernetes cluster state with Git repositories automatically. This guide installs ArgoCD on a Kubernetes cluster running on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A running Kubernetes cluster (kubeadm or k3s) kubectl configured Helm installed […]

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How to Manage Docker Images and Containers on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Kubernetes with kubeadm on Ubuntu 24.04

kubeadm is the official tool for bootstrapping a production-grade Kubernetes cluster. This guide installs Kubernetes 1.30 on Ubuntu 24.04 LTS using kubeadm on a single control-plane node with worker nodes. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS servers (1 control-plane + at least 1 worker) Minimum 2 vCPUs and 2 GB […]

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How to Manage Docker Images and Containers on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install k3s Lightweight Kubernetes on Ubuntu 24.04

k3s is a lightweight, certified Kubernetes distribution from Rancher that is perfect for edge computing, IoT, CI/CD, and small deployments. It installs in seconds and requires only 512 MB RAM. This guide installs k3s on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges […]

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How to Set Up a Git Server with Gitea on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install and Use Helm on Ubuntu 26.04

Helm is the package manager for Kubernetes. It uses charts — pre-configured Kubernetes application packages — to simplify deploying complex applications. Helm 3 removed Tiller, making it more secure and easier to use. This guide installs Helm on Ubuntu 26.04 LTS and demonstrates common workflows. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 […]

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How to Set Up a Git Server with Gitea on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up ArgoCD on Ubuntu 26.04

ArgoCD is a declarative GitOps continuous delivery tool for Kubernetes. It monitors Git repositories and automatically syncs the desired application state into your Kubernetes cluster. This guide installs and configures ArgoCD on Ubuntu 26.04 LTS with a running Kubernetes cluster. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with a running Kubernetes […]

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How to Set Up a Private Docker Registry on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Kubernetes with kubeadm on Ubuntu 26.04

kubeadm is the official tool for bootstrapping a production-ready Kubernetes cluster. It automates the complex setup of the control plane and worker nodes. This guide installs a single-node Kubernetes cluster using kubeadm on Ubuntu 26.04 LTS — ideal for learning or as a foundation for a multi-node cluster. Tested and valid on: Ubuntu 26.04 LTS […]

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How to Set Up a Private Docker Registry on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install k3s Lightweight Kubernetes on Ubuntu 26.04

k3s is a certified lightweight Kubernetes distribution by Rancher. With a single binary under 100 MB, k3s is perfect for edge computing, IoT, CI environments, and resource-constrained servers. It bundles containerd, Flannel networking, and SQLite (or etcd) in one package. This guide installs k3s on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS […]

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Arquitetando Aplicações para o Kubernetes — step-by-step Kubernetes tutorial on Progressive Robot

Arquitetando Aplicações para o Kubernetes

Projetar e executar aplicações com escalabilidade, portabilidade e robustez pode ser um desafio, especialmente à medida que a complexidade do sistema aumenta. A arquitetura de uma aplicação ou sistema impacta significativamente em como ele deve ser executado, o que ele espera de…

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