Database

How to Expand a Filesystem Online on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Expand a Filesystem Online on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to expand a filesystem online on ibm aix 7.1 on […]

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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 MariaDB Galera Cluster on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure MariaDB Galera Cluster on RHEL 7

How to Configure MariaDB Galera Cluster on RHEL 7 MariaDB Galera Cluster is a synchronous multi-primary replication solution for MariaDB. Every node in a Galera cluster can accept writes simultaneously, and changes are replicated to all other nodes before a transaction is confirmed to the client. This eliminates replication lag, prevents data loss on node […]

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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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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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Common Problems 111748

Windows Server 2022 — RDS Connection Broker database connectivity failures — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 5 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 Install MongoDB on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install MongoDB on Oracle Linux 9

Introduction Setting up install mongodb 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 Install MongoDB on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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How to Set Up Active Directory Password Policy on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Active Directory Password Policy on Windows Server 2022

Introduction to Active Directory Domain Services on Windows Server 2022 Active Directory Domain Services (AD DS) is the cornerstone of identity and access management in Windows environments. It provides a centralized, hierarchical directory that stores information about users, computers, groups, printers, and other network resources. On Windows Server 2022, AD DS benefits from improved security […]

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Common Problems 111838

Windows Server 2022 — SQL Server login failures after duplicate SPN registration — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 3 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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