DNS

Common Problems 113973

RHEL 10 – chronyd not syncing time behind restrictive firewall – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 26 June 2025 Affected versions: RHEL 10 📖 ~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 COM+ Application Server on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Configure COM+ Application Server on Windows Server 2025

How to Configure COM+ Application Server on Windows Server 2025 COM+ (Component Object Model Plus) is the Windows middleware layer that provides enterprise services — object pooling, distributed transactions, role-based security, and loosely coupled events — to COM components running on Windows Server. COM+ sits between IIS/application code and the raw Windows API, offering the […]

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Common Problems 126978

CentOS Stream 10 – Common Problem 152 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 25 June 2025 Affected versions: CentOS Stream 10 📖 ~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 Set Up IPsec VPN with Libreswan on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up IPsec VPN with Libreswan on CentOS Stream 10

Introduction How to Set Up IPsec VPN with Libreswan on CentOS Stream 10 on CentOS Stream 10 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 […]

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How to Configure Multipath I/O on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Multipath I/O on RHEL 10

Introduction Setting up configure multipath i/o on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Multipath I/O on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]

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Common Problems 116595

Ubuntu 24.04 LTS – cloud-init datasource timeout delays boot – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 25 June 2025 Affected versions: Ubuntu 24.04 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 […]

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Common Problems 116578

Ubuntu 24.04 LTS kubelet NotReady After containerd Configuration Drift

🔴 Critical   ⏱ 5–30 min  Last verified: 25 June 2025 Affected versions: Ubuntu 24.04 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 […]

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Common Problems 111136

Windows Server 2025 — NVMe drive firmware outdated causing intermittent disk errors on Server 2025 — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 25 June 2025 Affected versions: Windows Server 2025 📖 ~2 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 Audit Linux Security with Lynis on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Audit Linux Security with Lynis on RHEL 9

Security auditing is a critical practice for any Linux administrator responsible for maintaining compliant and hardened systems. Lynis is a free, open-source security auditing tool that performs deep system scans and produces actionable hardening recommendations. On RHEL 9, Lynis integrates seamlessly and covers hundreds of security controls across authentication, networking, storage, and more. This tutorial […]

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Common Problems 111118

Windows Server 2025 — User quota report showing incorrect usage due to hard link counting — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 25 June 2025 Affected versions: Windows Server 2025 📖 ~2 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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