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How to Set Up Oracle Linux 9 for High-Performance Computing — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up Oracle Linux 9 for High-Performance Computing

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying set up oracle linux 9 for high-performance computing both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Oracle Linux 9 for High-Performance Computing, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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How to Configure Disk Quotas on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Disk Quotas on FreeBSD 12 (ON-FREEBSD-12)

Introduction This guide explains how to Configure Disk Quotas on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege […]

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How to Set Up Health Attestation Service on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Health Attestation Service on Windows Server 2022

What Is Device Health Attestation? Device Health Attestation (DHA) is a Windows platform service that allows organisations to verify the security posture of endpoints at boot time. Rather than relying on software-based reports that malware could falsify, DHA uses hardware-rooted measurements collected by the Trusted Platform Module (TPM) and the Windows boot process to attest […]

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How to Configure WireGuard VPN on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure WireGuard VPN on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying configure wireguard vpn on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure WireGuard VPN on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Perform an Alternate Disk Migration on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Perform an Alternate Disk Migration on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to perform an alternate disk migration on ibm aix 7.2 […]

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How to Deploy a .NET Application on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Deploy a .NET Application on RHEL 7

How to Deploy a .NET Application on RHEL 7 Microsoft’s .NET (formerly .NET Core) is a cross-platform, open-source runtime that runs on Linux, including Red Hat Enterprise Linux 7. With Microsoft publishing an official yum repository for RHEL, installing .NET SDK and deploying web applications is straightforward and fully supported. In this tutorial, you will […]

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Common Problems 114390

DNF Metadata Lock Or Timeout During Updates

🟡 Medium   ⏱ 5–30 min  Last verified: 13 May 2023 📖 ~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 References & Further […]

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How to Configure a Virtual Host in Apache on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure a Virtual Host in Apache on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying configure a virtual host in apache on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure a Virtual Host in Apache on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, […]

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How to Set Up Active Directory Certificate Services on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Set Up Active Directory Certificate Services on Windows Server 2016

How to Configure Windows Server 2016 Active Directory Certificate Services Active Directory Certificate Services (AD CS) provides the infrastructure for creating, managing, and distributing digital certificates within an Active Directory environment. Certificates issued by an AD CS certificate authority (CA) are used for a wide range of security scenarios including smart card authentication, SSL/TLS for […]

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How to Set Up Attack Surface Reduction Rules on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Attack Surface Reduction Rules on Windows Server 2022

Introduction to Folder Redirection and Roaming Profiles In a domain environment, users may log on from different computers. Without profile management, their Desktop files, Documents, and application settings exist only on the computer they last used. Folder Redirection and Roaming Profiles are two complementary Group Policy technologies that solve this problem by storing user data […]

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