Troubleshooting

How to Set Up Multi-Factor Authentication on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Multi-Factor Authentication on Windows Server 2022

What Is a Read-Only Domain Controller and When to Use It A Read-Only Domain Controller (RODC) is a special type of Active Directory domain controller introduced in Windows Server 2008 that holds a read-only, non-writable copy of the AD database. RODCs were designed primarily for deployment in branch offices, remote sites, and locations where physical […]

Read more
How to Set Up Varnish Cache on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up Varnish Cache on Oracle Linux 9

Introduction This tutorial demonstrates how to Set Up Varnish Cache on Oracle Linux 9 on Oracle Linux 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 9 system with the […]

Read more
How to Configure Split Tunneling for VPN on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Split Tunneling for VPN on Windows Server 2022

Introduction to Active Directory Backup and Restore Active Directory is the backbone of most Windows enterprise environments. Losing an AD domain controller without a reliable backup can mean hours or days of downtime, potential data loss, and significant security exposure. Windows Server 2022 provides robust tools for backing up and restoring AD, including the Windows […]

Read more
How to Configure HAProxy SSL Termination on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure HAProxy SSL Termination on Oracle Linux 9

Introduction How to Configure HAProxy SSL Termination on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

Read more
How to Set Up Always On VPN Infrastructure on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Always On VPN Infrastructure on Windows Server 2022

Overview of the Kerberos Protocol Kerberos is the default authentication protocol for Active Directory domains in Windows Server 2022. Developed at MIT and standardized in RFC 4120, it uses symmetric-key cryptography and a trusted third party — the Key Distribution Center (KDC) — to authenticate principals (users, computers, and services) without transmitting passwords over the […]

Read more
How to Install HAProxy on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install HAProxy on Oracle Linux 9

Introduction How to Install HAProxy on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

Read more
How to Configure Network Access Protection on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Network Access Protection on Windows Server 2022

What Is Active Directory Federation Services Active Directory Federation Services (AD FS) is a Windows Server role that provides federated identity and single sign-on (SSO) capabilities. It enables users to authenticate once against their organization’s Active Directory and then access applications and services in other organizations or cloud platforms without re-entering credentials. AD FS implements […]

Read more
How to Configure Apache as a Reverse Proxy on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Apache as a Reverse Proxy on Oracle Linux 9

Introduction Setting up configure apache as a reverse proxy on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Apache as a Reverse Proxy on Oracle Linux 9, with all the commands you need, the SELinux […]

Read more
How to Configure Nginx as a Reverse Proxy on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Nginx as a Reverse Proxy on Oracle Linux 9

Introduction How to Configure Nginx as a Reverse Proxy on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the […]

Read more
How to Set Up Windows Server 2022 as a RADIUS Proxy — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Server 2022 as a RADIUS Proxy

Introduction to Active Directory Certificate Services Active Directory Certificate Services (AD CS) is a Windows Server role that provides customizable services for creating and managing public key infrastructure (PKI) certificates. Organizations use AD CS to issue digital certificates for authentication (smart cards, VPN, 802.1X), encrypting data in transit (SSL/TLS for internal websites), encrypting data at […]

Read more
CHAT