🟡 Medium ⏱ 5–30 min Last verified: 16 October 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 […]
How to Deploy a Spring Boot Application on RHEL 7 Spring Boot has become the de facto standard for building production-ready Java microservices and web applications. Its embedded server model — packaging the entire application, including Tomcat or Jetty, into a single executable JAR — greatly simplifies deployment on Linux servers. Instead of managing a […]
How to Set Up Windows Server 2019 RAS Gateway The Remote Access Service (RAS) Gateway in Windows Server 2019 is a software-based router and gateway designed for cloud service providers and enterprises that host multi-tenant virtual networks using Hyper-V Network Virtualization. It provides site-to-site VPN, point-to-site VPN, and GRE tunneling capabilities, enabling connectivity between virtual […]
🟠 High ⏱ 5–30 min Last verified: 8 October 2019 Affected versions: Ubuntu 14.04 LTS 📖 ~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 […]
🟡 Medium ⏱ 5–30 min Last verified: 8 October 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 […]
PM2 is a production-grade process manager for Node.js applications that handles automatic restarts on crashes, log aggregation, clustering, and startup script generation for Linux init systems including systemd. Unlike running Node.js directly with node app.js, PM2 keeps your application alive across failures and server reboots without writing custom systemd unit files for every project. On […]
How to Set Up AD FS 3.0 for Single Sign-On on Windows Server 2012 R2 Active Directory Federation Services 3.0 on Windows Server 2012 R2 delivers enterprise Single Sign-On capabilities, allowing users to authenticate once with their corporate Active Directory credentials and access multiple applications — both on-premises and cloud-hosted — without re-entering credentials. AD […]
The Kubernetes Dashboard is a web-based UI that gives cluster operators a visual overview of workloads, services, namespaces, and resource utilization without dropping into kubectl for every task. On RHEL 8 with a running Kubernetes cluster, deploying the dashboard takes only a few kubectl commands. This tutorial covers installation, creating a service account with the […]
🟡 Medium ⏱ 5–30 min Last verified: 2 October 2019 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 […]
🟠 High ⏱ 5–30 min Last verified: 1 October 2019 Affected versions: Ubuntu 16.04 LTS 📖 ~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 […]
