Cpu Memory

Common Problems 112517

Windows Server 2019 – SMB Direct RDMA driver mismatch causes connection fallback – Fix and Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 4 September 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 […]

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How to Set Up BGP Routing with BIRD on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up BGP Routing with BIRD on FreeBSD 13

Introduction Deploying set up bgp routing with bird 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 […]

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How to Set Up Vagrant and VirtualBox on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up Vagrant and VirtualBox on RHEL 7

How to Set Up Vagrant and VirtualBox on RHEL 7 Vagrant is an open-source tool by HashiCorp that automates the creation, configuration, and management of virtualized development environments. Combined with VirtualBox as a hypervisor backend, Vagrant allows developers and operations engineers on RHEL 7 to spin up reproducible Linux (or Windows) virtual machines with a […]

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How to Use Performance Monitor (perfmon) on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Use Performance Monitor (perfmon) on Windows Server 2016

How to Configure Windows Performance Monitor (perfmon) on Windows Server 2016 Windows Performance Monitor (perfmon) is a built-in diagnostic tool in Windows Server 2016 that provides real-time and historical visibility into hundreds of system performance counters. It can monitor CPU utilization, memory pressure, disk I/O, network throughput, and application-specific metrics from SQL Server, IIS, Active […]

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How to Install Lua on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Lua on FreeBSD 13

Introduction This guide explains how to Install Lua on FreeBSD 13 on FreeBSD 13. 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 privilege separation. […]

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How to Back Up and Restore MySQL Databases with mysqldump on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Back Up and Restore MySQL Databases with mysqldump on RHEL 8

Regular database backups are one of the most important operational habits for any MySQL deployment, and RHEL 8 provides all the tools you need to implement a solid backup strategy. mysqldump produces portable SQL dumps that are easy to restore and inspect, while mysqlpump adds parallelism for faster exports on larger datasets. This tutorial covers […]

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How to Install PostgreSQL 16 on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install PostgreSQL 16 on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install postgresql 16 on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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How to Set Up Nginx with PHP-FPM on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Nginx with PHP-FPM on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up nginx with php-fpm on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully […]

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How to Configure Prometheus Node Exporter on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Prometheus Node Exporter on RHEL 8

Prometheus Node Exporter is a lightweight agent that exposes dozens of hardware and operating-system metrics — CPU usage, memory pressure, disk I/O, network throughput, and more — via a plain HTTP endpoint that Prometheus can scrape. Installing it on every RHEL 8 host in your fleet gives you a uniform, low-overhead telemetry layer that feeds […]

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How to Install and Configure BIND9 DNS Server on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install and Configure BIND9 DNS Server on FreeBSD 13

Introduction How to Install and Configure BIND9 DNS Server 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 […]

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