Introduction Deploying secure apache with let’s encrypt on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the […]
How to Install Netdata on RHEL 7 Netdata is a real-time performance monitoring agent that delivers per-second metrics with zero configuration on most Linux systems. Unlike heavier monitoring solutions that scrape on 15-second or 1-minute intervals, Netdata collects and stores data every second, making it ideal for diagnosing transient performance problems that would be invisible […]
🟠 High ⏱ 5–30 min Last verified: 31 July 2021 Affected versions: Windows Server 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 […]
How to Set Up Windows Server 2016 Host Networking Host networking in Windows Server 2016 refers to the configuration of the physical and virtual network infrastructure on Hyper-V hosts, including the Hyper-V virtual switch, NIC teaming, virtual network adapters, Quality of Service (QoS) policies, and RDMA (Remote Direct Memory Access) capabilities. Properly configured host networking […]
Introduction How to Configure auditd on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 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 […]
Introduction This guide explains how to Set Up FreeNAS-style ZFS on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]
Introduction to Performance Monitoring on Windows Server 2019 Performance monitoring on Windows Server 2019 involves collecting, analyzing, and responding to metrics that describe the health and capacity of server resources including CPU, memory, disk, and network. Windows Server 2019 includes several built-in tools for performance monitoring: Performance Monitor (perfmon.exe) for real-time and historical counter collection, […]
🟡 Medium ⏱ 5–30 min Last verified: 25 July 2021 Affected versions: Windows Server 2012 R2 📖 ~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 […]
Varnish Cache is a high-performance HTTP accelerator designed to sit in front of web servers and serve cached responses at near-wire speed, offloading PHP and database work from your backend. On RHEL 8, Varnish is packaged in the default AppStream repository, making installation straightforward. This guide shows how to install Varnish, write a VCL configuration […]
🟡 Medium ⏱ 5–30 min Last verified: 24 July 2021 📖 ~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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