Filesystem

How to Configure Disk Mirroring with LVM on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure Disk Mirroring with LVM 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 disk mirroring with lvm on IBM AIX 7.3 […]

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How to Expand a Filesystem Online on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Expand a Filesystem Online 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 expand a filesystem online on IBM AIX 7.3 with […]

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How to Configure Storage Spaces Direct (S2D) on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Storage Spaces Direct (S2D) on Windows Server 2022

How to Configure Storage Spaces Direct (S2D) on Windows Server 2022 Storage Spaces Direct (S2D) is Microsoft’s software-defined storage technology built into Windows Server, enabling you to cluster servers with local storage — NVMe, SSDs, and HDDs — into a highly available, scalable storage pool without the need for a shared SAS fabric or SAN. […]

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How to Configure Windows Server 2022 Container Security — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 Container Security

Introduction to Local Security Policy on Windows Server 2022 Local Security Policy is a comprehensive set of security configuration options built into every Windows Server installation. On Windows Server 2022, it is managed through the Local Security Policy editor (secpol.msc), which provides a graphical interface for configuring everything from password complexity requirements to audit policies […]

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How to Set Up Windows Server 2022 SMB over QUIC — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Server 2022 SMB over QUIC

How to Configure Group Policy Software Installation on Windows Server 2022 Group Policy Software Installation (GPSI) is a built-in Windows feature that allows administrators to deploy, maintain, and remove software on domain-joined computers and users without touching each machine individually. Using only Active Directory Group Policy, you can push MSI packages to thousands of machines […]

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Common Problems 117013

Ubuntu 22.04 LTS – ext4 filesystem remounts read-only under I/O errors – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 15 January 2023 Affected versions: Ubuntu 22.04 LTS 📖 ~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 Set Up DirectAccess on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up DirectAccess on Windows Server 2022

Why PowerShell Logging Matters for Security PowerShell is the most powerful scripting environment on Windows Server 2022, and that power makes it a favourite tool for both administrators and attackers. Malware, ransomware loaders, and post-exploitation frameworks such as Empire, Cobalt Strike, and Metasploit all leverage PowerShell heavily. Without logging, PowerShell activity is largely invisible — […]

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Common Problems 114621

RHEL 9 package transactions hang due to lock contention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 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 […]

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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 […]

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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 […]

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