Networking

How to Configure Advanced WSUS Settings on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Advanced WSUS Settings on Windows Server 2016

How to Set Up Windows Server 2016 Windows Server Update Services Windows Server Update Services (WSUS) allows organizations to centrally manage and distribute Microsoft updates to servers and workstations on the internal network. Instead of each machine downloading updates independently from Microsoft Update servers on the internet, WSUS acts as a local update repository that […]

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How to Set Up Windows Server 2022 Active Directory Migration — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Server 2022 Active Directory Migration

Introduction to Microsoft Advanced Threat Analytics Microsoft Advanced Threat Analytics (ATA) is an on-premises platform designed to detect advanced cyberattacks and insider threats targeting Active Directory environments. ATA analyzes network traffic from domain controllers, Windows event logs, and SIEM data to build a behavioral baseline for users, devices, and resources, then alerts when anomalous activity […]

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How to Configure Oracle Linux 9 for Oracle RAC — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Oracle Linux 9 for Oracle RAC

Introduction How to Configure Oracle Linux 9 for Oracle RAC on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

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How to Set Up SolarWinds Monitoring Agent on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up SolarWinds Monitoring Agent on Windows Server 2022

Introduction to SolarWinds Monitoring on Windows Server 2022 SolarWinds is one of the most widely deployed network and systems monitoring platforms in enterprise environments. Two primary SolarWinds products apply to Windows Server 2022 monitoring: SolarWinds Server & Application Monitor (SAM), which is part of the SolarWinds Orion platform and focuses on server and application performance, […]

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How to Register a GitHub Actions Self-Hosted Runner on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Register a GitHub Actions Self-Hosted Runner on RHEL 9

GitHub Actions self-hosted runners allow running GitHub Actions CI/CD workflows on your own infrastructure instead of GitHub’s shared runners. This is essential when workflows need to: access private network resources (internal databases, Docker registries, Kubernetes clusters), use specialised hardware (GPUs, large memory), comply with data residency requirements, or reduce GitHub Actions billing costs for high-volume […]

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How to Configure Multipath I/O on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Multipath I/O on Oracle Linux 9

Introduction How to Configure Multipath I/O on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

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Common Problems 117953

Ubuntu 18.04 LTS swap thrashing causes severe slowdown

🟡 Medium   ⏱ 5–30 min  Last verified: 11 April 2023 📖 ~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 Install Nexus Repository on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install Nexus Repository on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying install nexus repository on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Nexus Repository on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How To Create a High-Availability Setup with Heartbeat and Reserved IPs on Ubuntu — step-by-step Linux tutorial on Progressive Robot

How To Create a High-Availability Setup with Heartbeat and Reserved IPs on Ubuntu

Heartbeat is an open source program that provides cluster infrastructure capabilities—cluster membership and messaging—to client servers, which is a critical component in a high availability (HA) server infrastructure. Heartbeat is typically used in conjunction with a cluster resource manager (CRM), such as Pacemaker, to achieve a complete HA setup. However, in this tutorial, we will demonstrate how to create a 2-node HA server setup by simply using Heartbeat and a the cloud provider Reserved IP.

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Common Problems 118916

Ubuntu 14.04 LTS apt-get Update Fails with Hash Sum Mismatch

🟡 Medium   ⏱ 5–30 min  Last verified: 10 April 2023 📖 ~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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