Cpu Memory

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

How to Configure Node Exporter on Oracle Linux 9

Introduction This tutorial demonstrates how to Configure Node Exporter 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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How to Monitor SQL Server with SQL Server Profiler on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Monitor SQL Server with SQL Server Profiler on Windows Server 2022

Introduction to SQL Server Profiler on Windows Server 2022 SQL Server Profiler is a graphical interface for creating and managing traces — real-time captures of SQL Server event streams. A trace records the exact SQL statements, stored procedure calls, errors, and performance data that flow through the SQL Server engine, making it an indispensable tool […]

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

How to Configure Corosync on Oracle Linux 9

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

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How to Configure Hyper-V Quality of Service on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Hyper-V Quality of Service on Windows Server 2022

Introduction to Hyper-V Virtual Machine Management Once the Hyper-V role is installed and your virtual switches are configured on Windows Server 2022, the next step is creating and managing virtual machines. Hyper-V supports two VM generations with different firmware and device models, offers granular control over CPU, memory, and storage allocation, and provides checkpoint functionality […]

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How to Configure DRBD for High Availability on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure DRBD for High Availability on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying configure drbd for high availability on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure DRBD for High Availability on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the […]

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How to Install and Use Helm on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Use Helm on RHEL 7

How to Install and Use Helm on RHEL 7 Helm is the package manager for Kubernetes — often described as the “apt” or “yum” of the Kubernetes ecosystem. It allows you to define, install, and upgrade even the most complex Kubernetes applications using reusable templates called charts. A single Helm chart can encapsulate dozens of […]

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How to Set Up Database Backups with Percona XtraBackup on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up Database Backups with Percona XtraBackup on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying set up database backups with percona xtrabackup on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Database Backups with Percona XtraBackup on Oracle Linux 9, including dnf module streams where applicable, systemd […]

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How to Set Up Data Deduplication on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up Data Deduplication on Windows Server 2012 R2

How to Set Up Data Deduplication on Windows Server 2012 R2 Data Deduplication is a Windows Server 2012 R2 role service that reduces storage consumption by identifying and eliminating redundant data patterns across files stored on NTFS volumes. Unlike traditional single-instance storage, the deduplication engine works post-process — it analyses data after it has been […]

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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 […]

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Common Problems 114629

RHEL 9: tuned Profile Not Applied and Performance Regressions

🟡 Medium   ⏱ 5–30 min  Last verified: 7 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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