Cpu Memory

How to Configure pf Packet Filtering on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure pf Packet Filtering on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure pf packet filtering 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 any Linux […]

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How to Configure MySQL Binary Log on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure MySQL Binary Log on Debian 10

Introduction How to Configure MySQL Binary Log on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 10. […]

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How to Write Ansible Playbooks for Debian 10 Systems — step-by-step Debian 10 tutorial on Progressive Robot

How to Write Ansible Playbooks for Debian 10 Systems

Introduction This guide explains how to Write Ansible Playbooks for Debian 10 Systems on Debian 10 Buster. Debian Buster 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 10 install with the […]

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How to Install .NET Core 3.1 on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install .NET Core 3.1 on Debian 10

Introduction This guide explains how to Install .NET Core 3.1 on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install with the […]

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Common Problems 115107

Kdump Service Enabled but Crash Dumps Not Generated

🟡 Medium   ⏱ 5–30 min  Last verified: 26 April 2020 📖 ~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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How to Set Up IIS Reverse Proxy on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up IIS Reverse Proxy on Windows Server 2019

Introduction to IIS Reverse Proxy on Windows Server 2019 A reverse proxy sits in front of backend servers and forwards incoming client requests to those servers, returning the responses to clients as if the proxy itself generated them. On Windows Server 2019, IIS combined with the Application Request Routing (ARR) module and URL Rewrite provides […]

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How to Install Apache Kafka on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Apache Kafka on RHEL 8

Apache Kafka is a distributed event streaming platform capable of handling millions of messages per second, making it a popular choice for real-time data pipelines, log aggregation, and event-driven microservices. Kafka is distributed as a self-contained binary archive and does not require a package manager installation, so the setup process involves downloading, configuring, and wrapping […]

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How to Install Loki Log Aggregation on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Loki Log Aggregation on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install loki log aggregation on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]

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How to Configure Zabbix Agent on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Zabbix Agent on Debian 9

Introduction Deploying configure zabbix agent 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 Before you begin, […]

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Common Problems 112905

Windows Server 2016 – LSASS high CPU and authentication slowdowns – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 April 2020 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 […]

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