Kernel Drivers

How to Deploy a Node.js Application with PM2 on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Deploy a Node.js Application with PM2 on RHEL 7

How to Deploy a Node.js Application with PM2 on RHEL 7 PM2 is a battle-tested production process manager for Node.js applications. It keeps your application running after a crash by restarting it automatically, provides integrated logging, enables zero-downtime reloads, supports cluster mode to utilize all CPU cores, and integrates with systemd for startup on boot. […]

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Common Problems 112520

Windows Server 2019 SMB Multichannel Disabled After NIC Driver Update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 4 February 2020 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 Configure Kerberos Constrained Delegation on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Kerberos Constrained Delegation on Windows Server 2012 R2

How to Configure Kerberos Constrained Delegation on Windows Server 2012 R2 Kerberos delegation allows a service running under a specific account to impersonate a user and access other network resources on their behalf. Unconstrained delegation is dangerous because a compromised account can be used to impersonate any user to any service in the domain. Constrained […]

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How to Set Up Windows Server 2019 Container Networking — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 Container Networking

How to Set Up Windows Server 2019 Container Networking Container networking on Windows Server 2019 enables isolated network communication for Windows containers and Hyper-V containers. The Host Networking Service (HNS) manages the underlying networking layer, creating virtual switches, endpoints, and network policies for containers. Windows Server 2019 supports multiple network drivers including nat, transparent, overlay, […]

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Common Problems 118467

Ubuntu 16.04 LTS high CPU usage by kworker threads

🟡 Medium   ⏱ 5–30 min  Last verified: 3 February 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 Nginx with PHP-FPM on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Nginx with PHP-FPM on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up set up nginx with php-fpm 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 […]

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Common Problems 118500

Ubuntu 16.04 cannot mount NTFS partition

🟡 Medium   ⏱ 5–30 min  Last verified: 1 February 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 Configure Oracle RAC on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Oracle RAC on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure oracle rac on ibm aix 7.1 on IBM […]

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How to Set Up File Integrity Monitoring with AIDE on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up File Integrity Monitoring with AIDE on Debian 10

Introduction Deploying set up file integrity monitoring with aide on debian 10 on a Debian 10 Buster 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. […]

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How to Configure Failover Clustering on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Failover Clustering on Windows Server 2019

Introduction to Failover Clustering on Windows Server 2019 Failover Clustering in Windows Server 2019 provides high availability for workloads by grouping multiple servers into a cluster so that if one node fails, another node automatically takes over the workload. Failover Clustering is commonly used to protect Hyper-V virtual machines, SQL Server databases, file servers, and […]

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