Cpu Memory

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 Volume Shadow Copy Service (VSS) on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Volume Shadow Copy Service (VSS) on Windows Server 2022

What Is the Volume Shadow Copy Service? The Volume Shadow Copy Service (VSS) is a Windows infrastructure component that enables the creation of consistent, point-in-time snapshots of disk volumes without requiring application downtime. Introduced in Windows Server 2003, VSS has been refined through every subsequent release and remains a cornerstone feature in Windows Server 2022. […]

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How to Configure Oracle Linux 9 with FCoE Storage — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Oracle Linux 9 with FCoE Storage

Introduction This tutorial demonstrates how to Configure Oracle Linux 9 with FCoE Storage 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 default […]

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How to Monitor Windows Server with Prometheus and Grafana on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Monitor Windows Server with Prometheus and Grafana on Windows Server 2022

Introduction to Monitoring Windows Server 2022 with Prometheus and Grafana Prometheus and Grafana form a powerful open-source monitoring stack that, while originally built for Linux environments, provides excellent coverage for Windows Server 2022 through the windows_exporter agent. This combination gives you time-series metrics collection, flexible querying via PromQL, and rich dashboards that surface CPU utilisation, […]

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

How to Configure libvirt on Oracle Linux 9

Introduction How to Configure libvirt 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 Set Up a CI/CD Pipeline with Tekton on Kubernetes on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up a CI/CD Pipeline with Tekton on Kubernetes on RHEL 9

Tekton is a Kubernetes-native open-source framework for building continuous integration and delivery (CI/CD) pipelines. Unlike Jenkins or GitLab CI, Tekton runs entirely as Kubernetes Custom Resource Definitions (CRDs), meaning every pipeline, task, and run is a Kubernetes object you manage with kubectl — no separate CI server to maintain. This cloud-native approach gives you full […]

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

How to Configure MySQL Replication on Oracle Linux 9

Introduction This tutorial demonstrates how to Configure MySQL Replication 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 default […]

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