Firewall

How to Secure MySQL 9 on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Configure MySQL Primary-Replica Replication on Ubuntu 26.04

MySQL primary-replica replication asynchronously copies data from a primary server to one or more replica servers. This improves read scalability, provides a hot standby for disaster recovery, and enables backups from the replica without impacting the primary. This guide sets up replication on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Two […]

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How to Configure Smart Card Authentication on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Smart Card Authentication on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure smart card authentication on ibm aix 7.1 on […]

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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 Install Nginx on Ubuntu 26.04

Nginx is a high-performance web server and reverse proxy used by millions of websites worldwide. It handles static files efficiently, serves as a load balancer, and acts as a reverse proxy for application servers. This guide installs and verifies Nginx on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites 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 Install Apache on Ubuntu 26.04

Apache HTTP Server is one of the most widely used web servers in the world. Its modular architecture supports a huge range of functionality including URL rewriting, authentication, and SSL. This guide installs Apache on Ubuntu 26.04 LTS and configures the firewall. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server A […]

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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 Install a LEMP Stack on Ubuntu 26.04

A LEMP stack — Linux, Nginx, MySQL, and PHP — is a popular open-source web platform for hosting dynamic websites and web applications. This guide installs and configures all four components on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server A user with sudo privileges UFW firewall enabled […]

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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 Install a LAMP Stack on Ubuntu 26.04

A LAMP stack — Linux, Apache, MySQL, and PHP — powers a large portion of the web, including WordPress, Joomla, and countless custom applications. This guide installs all four components on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server A user with sudo privileges UFW firewall enabled Step […]

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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 Secure Nginx with Let’s Encrypt SSL on Ubuntu 26.04

Let’s Encrypt provides free, automated SSL/TLS certificates. With Certbot, you can obtain and auto-renew certificates for your Nginx-hosted domains in minutes, enabling HTTPS with no cost. This guide walks through the full process on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server with Nginx installed and running A […]

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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 Secure Apache with Let’s Encrypt SSL on Ubuntu 26.04

Free SSL certificates from Let’s Encrypt, managed by Certbot’s Apache plugin, give your Apache-hosted domains HTTPS encryption with minimal configuration and fully automatic renewals. This guide covers the complete process on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server with Apache installed A registered domain name pointing to […]

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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 Install OpenLiteSpeed Web Server on Ubuntu 26.04

OpenLiteSpeed (OLS) is a high-performance, event-driven open-source web server from LiteSpeed Technologies. It supports PHP via LiteSpeed SAPI (LSPHP) and includes a built-in WebAdmin GUI. It is significantly faster than Apache for PHP workloads and is a popular choice for WordPress hosting. This guide installs and configures OLS on Ubuntu 26.04 LTS. Tested and valid […]

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How to Set Up Two-Factor Authentication on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Set Up Two-Factor Authentication on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up two-factor authentication on ibm aix 7.1 on […]

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