Introduction to DNS Logging and Diagnostics on Windows Server 2019 DNS logging and diagnostics are essential for troubleshooting resolution failures, detecting security threats, meeting compliance requirements, and understanding traffic patterns on your network. Windows Server 2019 provides two distinct logging mechanisms for DNS: the Windows Event Log (structured event data, always on) and the DNS […]
🟠 High ⏱ 5–30 min Last verified: 2 July 2019 Affected versions: Windows Server 2016 📖 ~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 […]
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 configure tcpdump on ibm aix 7.1 on IBM AIX […]
Disk encryption is a critical layer of defense-in-depth for any Linux server handling sensitive data. LUKS (Linux Unified Key Setup) is the standard on-disk format for Linux disk encryption, and cryptsetup is the user-space tool that manages it. On RHEL 8, LUKS2 is the default format, bringing improved metadata handling, larger headers, and support for […]
Introduction to Active Directory Rights Management Services Active Directory Rights Management Services (AD RMS) is an information protection technology included with Windows Server 2019 that uses encryption and policy enforcement to restrict access to documents, emails, and other sensitive content. AD RMS works by issuing licenses that specify what operations a user can perform on […]
Ceph is a unified, distributed storage system that simultaneously provides object, block, and file storage on commodity hardware. It eliminates single points of failure through replication and erasure coding, and scales linearly by adding nodes. The cephadm tool, introduced in Ceph Octopus, simplifies cluster deployment by using containers (Podman on RHEL 8) to manage Ceph […]
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 install oracle database on ibm aix 7.1 on IBM […]
cAdvisor (Container Advisor) is an open-source daemon from Google that collects, aggregates, and exports real-time resource usage and performance metrics for every running container on a host. Unlike Node Exporter, which reports host-level statistics, cAdvisor descends into cgroup hierarchies to expose per-container CPU, memory, network, and filesystem metrics in Prometheus format. On RHEL 8 with […]
Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up bgp routing with bird on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from […]
🟠 High ⏱ 5–30 min Last verified: 26 June 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]
