Networking

Common Problems 113424

Windows Server 2016 – Failover cluster heartbeat network drops trigger node eviction – Fix & Prevention (FIX-PREVENTION-2)

🟠 High   ⏱ 5–30 min  Last verified: 30 November 2019 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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Common Problems 113018

Windows Server 2016 – SMB Direct RDMA driver mismatch causes connection fallback – Fix and Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 30 November 2019 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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How to Install ArgoCD on Kubernetes on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install ArgoCD on Kubernetes on RHEL 7

How to Install ArgoCD on Kubernetes on RHEL 7 ArgoCD is a declarative, GitOps-based continuous delivery tool for Kubernetes. The core principle of GitOps is that the desired state of your cluster is stored in a Git repository, and a controller continuously reconciles the live cluster state against that desired state. ArgoCD monitors your Git […]

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How to Configure an iSCSI Target on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure an iSCSI Target on Windows Server 2012 R2

How to Configure an iSCSI Target on Windows Server 2012 R2 iSCSI (Internet Small Computer System Interface) is a storage networking protocol that transports SCSI commands over standard TCP/IP networks, allowing servers to access block-level storage on remote targets as if the storage were a locally attached disk. Windows Server 2012 R2 includes a built-in […]

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How to Configure RDS User Profile Disks on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure RDS User Profile Disks on Windows Server 2016

How to Set Up Windows Server 2016 Remote Desktop Profile Management Profile management in a Remote Desktop Services environment is critical for delivering a consistent user experience across sessions, especially in multi-server farms where a user may connect to a different RDSH server each time. Without proper profile management, each server maintains an independent local […]

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How to Configure Scheduled Task-Based Backup Scripts on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Scheduled Task-Based Backup Scripts on Windows Server 2019

Introduction to Scheduled Task-Based Backup Scripts on Windows Server 2019 While enterprise backup solutions like Veeam or Azure Backup provide comprehensive protection, many organizations also use custom PowerShell and batch scripts for targeted, supplemental backups — backing up specific application data, configuration files, database exports, or IIS content on a schedule. Windows Task Scheduler is […]

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How To Set Up a Firewall with UFW on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up a Firewall with UFW on Ubuntu 14.04

UFW, or Uncomplicated Firewall, is an interface to iptables that is geared towards simplifying the process of configuring a firewall. While iptables is a solid and flexible tool, it can be difficult for beginners to learn how to use it to properly configure a firewall. If you’re looking to get started securing your network, and you’re not sure which tool to use, UFW may be the right choice for you. This tutorial will show you how to set up a firewall with UFW on Ubuntu 14.04.

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How to Install Apache Kafka on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Apache Kafka on RHEL 7

How to Install Apache Kafka on RHEL 7 Apache Kafka is a distributed event streaming platform designed for high-throughput, fault-tolerant, real-time data pipelines. Originally developed at LinkedIn and later open-sourced under the Apache Software Foundation, Kafka is used by thousands of companies to process trillions of events per day. Unlike traditional message queues, Kafka persists […]

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Common Problems 115462

NTP unreachable due to firewall policy

🟡 Medium   ⏱ 5–30 min  Last verified: 28 November 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 & Cross-Refs References & Further […]

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How to Install Vault for Secrets Management on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Vault for Secrets Management on FreeBSD 12 (ON-FREEBSD-12)

Introduction Deploying install vault for secrets management on freebsd 12 on a FreeBSD 12 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 […]

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