🟡 Medium ⏱ 5–30 min Last verified: 22 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 […]
Introduction Deploying configure apache2 mpm worker on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian […]
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 […]
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 […]
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 […]
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 […]
🔴 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 & […]
🟡 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 […]
How to Configure Security Compliance Baselines on Windows Server 2012 R2 Microsoft’s Security Compliance Toolkit (SCT) provides pre-built, tested Group Policy baselines for Windows Server 2012 R2 that align with both Microsoft’s own security recommendations and industry frameworks such as CIS and NIST. Rather than building a security baseline from scratch, the SCT gives you […]
Introduction How to Configure Swap Space on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. This […]
