web server

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 a Git Server with Gitea on Ubuntu 26.04

Gitea is a lightweight, self-hosted Git service written in Go. It provides a GitHub-like interface with repositories, issues, pull requests, and actions CI/CD, but runs on minimal hardware. This guide installs Gitea on Ubuntu 26.04 LTS with Nginx and a PostgreSQL database. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Nginx […]

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How to Set Up Nginx with PHP-FPM on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up Nginx with PHP-FPM on FreeBSD 15

Introduction How to Set Up Nginx with PHP-FPM on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for […]

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How to Set Up a Next.js 15 Application on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Deploy a Node.js Application with PM2 on Ubuntu 26.04

PM2 is a production process manager for Node.js. It keeps applications running after crashes, handles log management, enables zero-downtime reloads, and integrates with systemd for auto-start on boot. This guide deploys a Node.js application with PM2 and Nginx on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Node.js […]

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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 Install GitLab CE on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install GitLab CE on RHEL 9

GitLab Community Edition (CE) is a complete, self-hosted DevOps platform that combines Git repository hosting, issue tracking, CI/CD pipelines, container registry, and code review in a single application. Hosting GitLab internally gives organisations full control over their source code without relying on third-party services, making it the preferred choice for teams with data sovereignty requirements […]

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Common Problems 114132

RHEL 10 – cockpit web console inaccessible despite running service – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 June 2026 Affected versions: RHEL 10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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Common Problems 116055

Ubuntu 26.04 LTS – NGINX fails reload due to duplicate server_name – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 June 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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Common Problems 115993

UFW Blocking Container Ports on Ubuntu 26.04 LTS

🟡 Medium   ⏱ 5–30 min  Last verified: 19 June 2026 Affected versions: 26.04 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs […]

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How to Configure Unattended Upgrades on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up UFW Firewall on Ubuntu 26.04

UFW (Uncomplicated Firewall) is the default firewall management tool on Ubuntu. It wraps iptables with a simplified interface, making it easy to allow or deny traffic by port, service name, or IP range. This guide shows you how to set up and manage UFW on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS […]

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How to Configure Nginx Server Blocks (Virtual Hosts) on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Configure Nginx Server Blocks (Virtual Hosts) on Ubuntu 26.04

Nginx server blocks — equivalent to Apache virtual hosts — let you host multiple websites on a single server, each with its own domain name, document root, and configuration. This guide creates and enables a server block on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server with Nginx […]

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