🟠 High ⏱ 5–30 min Last verified: 11 September 2019 Affected versions: 18.04 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 & […]
How to Monitor Windows Server 2012 R2 with Performance Monitor Performance Monitor (PerfMon) is the built-in diagnostic tool in Windows Server 2012 R2 for collecting, analysing, and logging performance data from the operating system, hardware, and applications. It provides real-time graphing of hundreds of performance counters covering CPU, memory, disk, network, and application-specific metrics. When […]
How to Set Up Always On VPN with Windows Server 2016 Always On VPN is a remote access solution introduced with Windows 10 and Windows Server 2016 that replaces the older DirectAccess technology. Unlike traditional VPN solutions where users must manually initiate a connection, Always On VPN automatically establishes a VPN tunnel whenever a Windows […]
How to Configure Windows Server 2016 IPAM Advanced IP Address Management (IPAM) in Windows Server 2016 provides a centralized platform for discovering, monitoring, auditing, and managing the IP address space and DNS and DHCP servers across your network. The advanced features in Windows Server 2016 IPAM include role-based access control (RBAC), integration with System Center […]
🟠 High ⏱ 5–30 min Last verified: 10 September 2019 Affected versions: 18.04 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 & […]
How to Configure Windows Server 2016 SLB MUX The Software Load Balancer (SLB) Multiplexer (MUX) is a core component of the Windows Server 2016 SDN stack that provides inbound network address translation and load balancing for virtual IP (VIP) addresses. The SLB MUX runs as a virtual machine on the SDN fabric and works in […]
Introduction This guide explains how to Install Icinga2 on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the standard repositories […]
How to Configure Network Load Balancing (NLB) on Windows Server 2012 R2 Network Load Balancing (NLB) is a Windows Server feature that distributes incoming network traffic across multiple servers in a cluster, improving application scalability and availability. Unlike Failover Clustering, NLB is designed for stateless workloads — typically web servers, terminal servers, VPN concentrators, and […]
How to Configure Windows Server 2019 RDMA Networking Remote Direct Memory Access (RDMA) networking allows data to be transferred directly between application memory on different servers, bypassing the CPU and operating system kernel for data movement. This dramatically reduces CPU utilization, latency, and memory bandwidth consumption for high-throughput workloads. Windows Server 2019 supports RDMA through […]
🟡 Medium ⏱ 5–30 min Last verified: 8 September 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 […]
