Networking

How to Configure Windows Server 2022 DCB — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 DCB

Introduction to Nexus Repository Manager on Windows Server 2022 Nexus Repository Manager OSS is a widely used open-source artifact repository that supports package formats including Maven, npm, NuGet, Docker, PyPI, and Chocolatey. Running Nexus on Windows Server 2022 gives development teams a central place to store, proxy, and distribute dependencies without relying entirely on public […]

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

How to Configure pgBouncer on Oracle Linux 9

Introduction How to Configure pgBouncer 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 […]

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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 […]

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How to Manage Systemd Services on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Manage Systemd Services on Oracle Linux 9

Introduction How to Manage Systemd Services 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 […]

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Common Problems 111684

Windows Server 2022 — Hyper-V Replica initial sync stalls at 0 percent — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 9 February 2023 Affected versions: Windows Server 2022 📖 ~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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How to Set Up Data Deduplication on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Data Deduplication on Windows Server 2022

Introduction to Data Deduplication Data Deduplication (dedup) is a built-in storage optimization feature in Windows Server 2022 that reduces disk space consumption by identifying and eliminating duplicate data chunks across files on a volume. Rather than storing identical byte sequences multiple times, dedup stores each unique chunk once in a chunk store and replaces duplicate […]

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How to Profile Application Performance with perf on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Profile Application Performance with perf on RHEL 8

The perf tool is a powerful Linux profiling framework built directly into the kernel, capable of sampling CPU performance counters, tracing system calls, and generating flame graphs that reveal exactly where an application spends its time. On RHEL 8, perf is packaged in the standard repositories and integrates with the kernel’s built-in performance monitoring units […]

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Common Problems 114620

RHEL 9 Performance Drop Due to THP and Swappiness Misconfiguration

🟡 Medium   ⏱ 5–30 min  Last verified: 8 February 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 Set Up K3s Lightweight Kubernetes on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up K3s Lightweight Kubernetes on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying set up k3s lightweight kubernetes on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up K3s Lightweight Kubernetes on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the […]

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How to Configure YaST on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure YaST on SLES 12

Introduction This tutorial covers How to Configure YaST on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Launch YaST yast Step 2 — Use YaST from the […]

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