Kernel Drivers

How to Configure Large Page Support on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure Large Page Support on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure large page support on IBM AIX 7.3 with […]

Read more
How to Install Ruby with rbenv on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Ruby with rbenv on FreeBSD 12

Introduction How to Install Ruby with rbenv 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 […]

Read more
Common Problems 112637

Windows Server 2019 — Host Compute Service fails preventing Windows containers — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 13 January 2023 Affected versions: Windows Server 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 […]

Read more
Common Problems 111661

Windows Server 2022 — Application Pool recycling too frequently causing session state loss on IIS — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 13 January 2023 Affected versions: Windows Server 2022 📖 ~2 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 […]

Read more
How to Add and Remove Windows Server Roles and Features on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Add and Remove Windows Server Roles and Features on Windows Server 2012 R2

Introduction Windows Server 2012 R2 uses a role-based architecture where specific services are added as “Server Roles” (major features like IIS, AD DS, DHCP) and “Features” (supporting components like .NET Framework, RSAT). PowerShell’s Server Manager module provides complete programmatic control over role and feature installation, making it possible to automate server configuration with precise reproducibility. […]

Read more
How to Configure Azure Monitor for Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Azure Monitor for Windows Server 2022

How to Set Up a Reverse Proxy with IIS ARR on Windows Server 2022 Internet Information Services (IIS) with Application Request Routing (ARR) and URL Rewrite transforms Windows Server 2022 into a powerful reverse proxy capable of forwarding requests to backend applications, performing SSL offloading, and providing load balancing across server farms. This guide covers […]

Read more
Common Problems 117032

Ubuntu 22.04 printer not detected or pending forever

🟡 Medium   ⏱ 5–30 min  Last verified: 12 January 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 […]

Read more
Common Problems 121150

Kernel Panic After System Update

🔴 Critical   ⏱ 5–30 min  Last verified: 11 January 2023 Affected versions: Debian 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 & Hardening Related Errors & […]

Read more
Common Problems 117106

Ubuntu 22.04 Black Screen After Resume from Suspend

🟡 Medium   ⏱ 5–30 min  Last verified: 11 January 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 […]

Read more
How to Set Up Work Folder Sync with AD Integration on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Set Up Work Folder Sync with AD Integration on Windows Server 2016

Introduction Work Folders is a Windows Server 2016 role service that allows users to synchronise work files from corporate servers to their personal devices — PCs, laptops, and mobile devices — without requiring a VPN connection. Unlike folder redirection, Work Folders keeps a local copy of data on each device and syncs changes automatically when […]

Read more
CHAT