Storage Disk

How to Set Up IIS Logging and Log Analysis on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up IIS Logging and Log Analysis on Windows Server 2012 R2

How to Set Up IIS Logging and Log Analysis on Windows Server 2012 R2 Internet Information Services (IIS) on Windows Server 2012 R2 maintains detailed access logs recording every HTTP request processed by the web server. These logs are essential for security auditing, performance analysis, troubleshooting application errors, and understanding traffic patterns. IIS supports multiple […]

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How to Perform a System State Backup on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Perform a System State Backup on Windows Server 2016

How to Set Up System State Backup and Bare Metal Recovery on Windows Server 2016 Protecting a Windows Server 2016 installation requires more than simply backing up user data. The operating system itself, including the registry, the Active Directory database, boot files, and the COM+ class registration database, must be captured in what is known […]

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How to Configure pf Firewall Rules on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure pf Firewall Rules on FreeBSD 12

Introduction How to Configure pf Firewall Rules on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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How to Install Go on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Go on Debian 9 (DEBIAN-9-2)

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up install go on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and the resulting […]

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How to Configure Kubernetes Persistent Volumes and Storage Classes on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Kubernetes Persistent Volumes and Storage Classes on RHEL 8

Stateful applications running in Kubernetes — databases, content management systems, message queues — need storage that persists beyond the lifecycle of any individual pod. Kubernetes solves this through two complementary abstractions: PersistentVolumes (PV), which represent actual storage capacity provisioned by an administrator or a storage provider, and PersistentVolumeClaims (PVC), which are requests for storage made […]

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How to Set Up Hyper-V Discrete Device Assignment on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Hyper-V Discrete Device Assignment on Windows Server 2019

How to Set Up Hyper-V Discrete Device Assignment on Windows Server 2019 Hyper-V Discrete Device Assignment (DDA) allows a physical PCIe device — typically a GPU, NVMe SSD, or specialised accelerator card — to be directly assigned to a virtual machine, bypassing the Hyper-V virtualisation layer entirely. The VM gains native, low-latency access to the […]

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Common Problems 121491

Debian 9 – GRUB Rescue Prompt After Kernel Update – Restore Bootability

🔴 Critical   ⏱ 5–30 min  Last verified: 19 August 2019 Affected versions: Debian 9 📖 ~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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Common Problems 118587

Ubuntu 16.04 LTS severe swap thrashing and performance collapse

🟡 Medium   ⏱ 5–30 min  Last verified: 19 August 2019 📖 ~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 Use AIX WPAR Manager on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use AIX WPAR Manager 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 use aix wpar manager on ibm aix 7.1 on […]

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How to Configure PowerVS Network Connectivity on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure PowerVS Network Connectivity on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure powervs network connectivity on ibm aix 7.2 on […]

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