Virtualization

How to Configure Core Files and Analysis on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Core Files and Analysis 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 configure core files and analysis on ibm aix 7.1 […]

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How to Set Up a Hyper-V Cluster on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up a Hyper-V Cluster on Windows Server 2012 R2

How to Set Up a Hyper-V Cluster on Windows Server 2012 R2 A Hyper-V cluster combines multiple physical Hyper-V hosts into a single high-availability platform. When a host fails, the Failover Cluster service detects the failure and automatically restarts the affected virtual machines on surviving nodes — a process called failover. Windows Server 2012 R2 […]

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How to Configure GRE Tunnelling on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure GRE Tunnelling on Windows Server 2016

How to Configure Windows Server 2016 GRE Tunnelling Generic Routing Encapsulation (GRE) is a tunneling protocol that can encapsulate a wide variety of network layer protocols inside virtual point-to-point links. Windows Server 2016 supports GRE tunneling as part of its RAS Gateway feature set, making it particularly useful in Software Defined Networking (SDN) environments for […]

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How to Contribute to AIX Open Source Community on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Contribute to AIX Open Source Community 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 contribute to aix open source community on ibm aix […]

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How to Set Up Windows Admin Center on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Admin Center on Windows Server 2019

How to Set Up Windows Admin Center on Windows Server 2019 Windows Admin Center (WAC) is a modern, browser-based management tool from Microsoft that provides a unified interface for managing Windows Server 2019, Windows 10/11, Hyper-V clusters, and Azure hybrid services. It replaces many traditional MMC snap-ins and Server Manager consoles with a responsive web […]

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Common Problems 114942

RHEL 8 Time Drift Despite chronyd Running

🟡 Medium   ⏱ 5–30 min  Last verified: 9 February 2022 Affected versions: 8.4 8.5 8.6 8.7 8.8 8.9 8.10 📖 ~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 […]

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How to Configure a Virtual Switch in Hyper-V on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure a Virtual Switch in Hyper-V on Windows Server 2016

How to Configure Windows Server 2016 Virtual Switch A Hyper-V Virtual Switch is a software-defined network switch that provides Layer 2 connectivity between virtual machines and between VMs and physical networks. In Windows Server 2016, the Hyper-V Virtual Switch has been extended with features like switch-embedded teaming (SET), network virtualization, and quality of service (QoS) […]

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How to Configure VLAN Tagging on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure VLAN Tagging on Windows Server 2016

How to Configure Windows Server 2016 VLAN Tagging Virtual Local Area Networks (VLANs) segment a single physical network into multiple logical networks, providing traffic isolation, improved security, and better bandwidth management. Windows Server 2016 supports VLAN tagging both on physical network adapters and on Hyper-V virtual switches, allowing servers and virtual machines to participate in […]

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How to Configure NTP Time Synchronisation on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure NTP Time Synchronisation on Windows Server 2012 R2

How to Configure NTP Time Synchronisation on Windows Server 2012 R2 Accurate, synchronised time is a foundational requirement in Windows Server environments. Active Directory Kerberos authentication has a maximum default clock skew tolerance of five minutes — if any machine’s clock drifts beyond this threshold, domain users and computers cannot authenticate, causing widespread service outages. […]

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