DevOps

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

How to Register a GitHub Actions Self-Hosted Runner on Ubuntu 26.04

GitHub Actions self-hosted runners allow you to run CI/CD workflows on your own hardware, giving you full control over the environment, installed tools, network access, and compute resources. This guide registers and configures a GitHub Actions self-hosted runner on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A GitHub […]

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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 Git Server with Gitea on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Vagrant and VirtualBox on Ubuntu 26.04

Vagrant is a tool for building and managing virtual machine environments. Combined with VirtualBox as the hypervisor, Vagrant lets developers spin up reproducible development environments from a simple Vagrantfile configuration. This guide installs Vagrant and VirtualBox on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS (desktop or server with […]

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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 Docker Compose on Ubuntu 26.04

Docker Compose is a tool for defining and running multi-container Docker applications using a single YAML configuration file. With one command you can start all services, networks, and volumes for your entire application stack. This guide installs Docker Compose on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with […]

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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 Set Up a Private Docker Registry on Ubuntu 26.04

A private Docker registry lets you store and distribute container images within your own infrastructure, avoiding Docker Hub rate limits and keeping proprietary images secure. This guide sets up a private Docker registry with TLS and basic authentication on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Docker […]

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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 Deploy Applications with Docker Compose on Ubuntu 26.04

Docker Compose simplifies multi-container application deployment using a declarative YAML file. This guide demonstrates deploying a full-stack web application (Nginx, Node.js API, MySQL, Redis) with Docker Compose on Ubuntu 26.04 LTS, covering real-world patterns like named volumes, custom networks, health checks, and environment variable management. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 […]

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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 Manage Docker Images and Containers on Ubuntu 26.04

Managing Docker images and containers effectively is a core skill for any developer or sysadmin working with containers. This guide covers the essential commands for building, tagging, pushing, listing, inspecting, and cleaning up Docker images and containers on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Docker Engine […]

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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 Portainer for Docker Management on Ubuntu 26.04

Portainer is an open-source container management UI that provides a web-based dashboard for managing Docker containers, images, volumes, networks, and stacks. It is available as a free Community Edition (CE). This guide installs Portainer CE on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Docker Engine installed A […]

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