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How to Configure NVGRE on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure NVGRE on Windows Server 2016

How to Configure Windows Server 2016 NVGRE Network Virtualization using Generic Routing Encapsulation (NVGRE) is a network virtualization encapsulation protocol developed by Microsoft and included in Windows Server 2016 as part of Hyper-V Network Virtualization (HNV). NVGRE encapsulates Ethernet frames within GRE packets, enabling virtual networks to operate independently of the underlying physical network topology. […]

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Oracle Linux 8 — fence-agents — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — fence-agents — security and stability fixes — required update (ELSA-2024-2968)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2968 Related CVEs: CVE-2024-22195 CVE-2023-45803 CVE-2023-52323 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Common Problems 112431

Windows Server 2019 – Cluster Shared Volume remains in redirected mode – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 November 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 HashiCorp Vault on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure HashiCorp Vault on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying configure hashicorp vault on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure HashiCorp Vault on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Configure Console and Terminal Settings on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Console and Terminal Settings 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 console and terminal settings on ibm aix 7.1 […]

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What is DRY Development? — step-by-step DevOps tutorial on Progressive Robot

What is DRY Development?

DRY, which stands for ‘**d**on’t **r**epeat **y**ourself,’ is a principle of software development that aims at reducing the repetition of patterns and code duplication in favor of abstractions and avoiding redundancy.

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Java Callable Future Example — step-by-step Programming tutorial on Progressive Robot

Java Callable Future Example

URL: https://www.progressiverobot.com/java-callable-future-example/ Java Callable and Future are used a lot in multithreaded programming. In last few posts, we learned a lot about [java threads](/community/tutorials/multithreading-in-java "Java Thread Tutorial") but sometimes we wish that a thread could return some value that we can use. Java 5 introduced java.util.concurrent.Callable interface in concurrency package that is similar to Runnable […]

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Alpine Linux edge — glib-networking — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — glib-networking — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.64.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — glib-networking 2.64.3-r0 Related CVEs: CVE-2020-13645 Upstream summary: Alpine community repository for vedge ships glib-networking 2.64.3-r0 which addresses CVE-2020-13645. Table of contents Symptom & Impact Environment […]

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