linux

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

How to Sync Time with systemd-timesyncd on Ubuntu 26.04

Accurate system time is critical for SSL certificates, logs, cron jobs, and distributed systems. Ubuntu 26.04 LTS uses systemd-timesyncd as the default NTP client. This guide shows you how to configure it, verify time synchronisation, and optionally switch to a different NTP server pool. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS […]

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How to Set Up Software RAID with mdadm on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up Software RAID with mdadm on Ubuntu 26.04

Software RAID with mdadm provides data redundancy and performance improvements using standard hardware without a dedicated RAID controller. RAID 1 (mirroring) protects against single disk failure, while RAID 5 and 6 provide space efficiency with fault tolerance. This guide creates a RAID 1 array on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS […]

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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 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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How to Set Up a DNS Server with Bind9 on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Java 24 (OpenJDK) on Ubuntu 26.04

Java 24 is the latest release of the OpenJDK, featuring new Project Panama and Loom capabilities, improved garbage collectors, and preview features. Ubuntu 26.04 LTS ships with OpenJDK in its repositories. This guide installs Java 24 (OpenJDK) and configures it on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS […]

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How to Set Up Two-Factor Authentication (2FA) for SSH on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up WireGuard VPN on Ubuntu 26.04

WireGuard is a modern, high-performance VPN protocol built into the Linux kernel. It is faster and simpler than OpenVPN and IPsec, using state-of-the-art cryptography. This guide sets up a WireGuard VPN server on Ubuntu 26.04 LTS and connects a client. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server with a public […]

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

How to Configure Apache Virtual Hosts on Ubuntu 26.04

Apache virtual hosts allow a single Apache installation to serve multiple websites, each with its own configuration, document root, and domain name. This guide sets up an Apache virtual host on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server with Apache installed A domain name pointed to your […]

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How to Set Up Software RAID with mdadm on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Zabbix 7 on Ubuntu 26.04

Zabbix 7 is an enterprise-grade open-source monitoring solution that collects metrics from servers, network devices, cloud services, and applications. It supports SNMP, JMX, IPMI, and custom monitoring scripts. This guide installs Zabbix 7 on Ubuntu 26.04 LTS with MySQL and Nginx. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with MySQL 9 […]

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