Filesystem

How to Set Up Software RAID with mdadm on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Configure LVM on Ubuntu 24.04

LVM (Logical Volume Manager) provides flexible disk management by abstracting physical storage into logical volumes that can be resized, snapshotted, and moved. This guide explains how to create and manage LVM volumes on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server One or more additional block devices (e.g. […]

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Common Problems 111635

Windows Server 2025 ReFS Volume Mounts Read-Only After Integrity Event — Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 13 December 2024 Affected versions: Windows Server 2025 📖 ~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 […]

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How to Install Prometheus on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Install Prometheus on FreeBSD 14

Introduction How to Install Prometheus on FreeBSD 14 is a core administration task for any FreeBSD 14 server operator. FreeBSD 14 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 filtering, and […]

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Common Problems 111042

Windows Server 2025 System Volume Running Out of Disk Space Blocking Updates — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 11 December 2024 Affected versions: Windows Server 2025 📖 ~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 […]

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How to Set Up Data Deduplication on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Set Up Data Deduplication on Windows Server 2025

How to Set Up Data Deduplication on Windows Server 2025 Data Deduplication is a Windows Server role service that identifies and eliminates duplicate data blocks across a volume, storing only a single copy of each unique block and replacing duplicates with lightweight pointers. On typical file server workloads, deduplication routinely achieves 50–80% space savings, dramatically […]

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Common Problems 120093

Debian 12 – journald uses excessive disk space and fills root filesystem

🟠 High   ⏱ 5–30 min  Last verified: 6 December 2024 Affected versions: Debian 12 📖 ~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 Harden the FreeBSD Kernel with sysctl on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Harden the FreeBSD Kernel with sysctl on FreeBSD 14

Introduction How to Harden the FreeBSD Kernel with sysctl on FreeBSD 14 is a core administration task for any FreeBSD 14 server operator. FreeBSD 14 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 […]

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Common Problems 116465

Ubuntu 24.04 LTS – inode exhaustion despite free disk space – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 December 2024 Affected versions: Ubuntu 24.04 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 Configure Storage Spaces Direct (S2D) on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Configure Storage Spaces Direct (S2D) on Windows Server 2025

How to Configure Storage Spaces Direct (S2D) on Windows Server 2025 Storage Spaces Direct (S2D) is Microsoft’s software-defined storage technology built into Windows Server 2025 that enables you to cluster servers with local storage — including NVMe, SSD, and HDD drives — into a highly available, scalable storage pool. Unlike traditional SAN or NAS storage, […]

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