Kernel Drivers

Common Problems 115074

tuned Profile Not Applied After Reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 26 December 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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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2021-9486)

🟠 High   ⏱ 15–60 min  Last verified: 26 December 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9486 Related CVEs: CVE-2020-16119 CVE-2017-6074 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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How to Configure Network Bonding on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Network Bonding on Oracle Linux 8

Introduction How to Configure Network Bonding on Oracle Linux 8 on Oracle Linux 8 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 resulting configuration is […]

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How to Manage Docker Images and Containers on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Manage Docker Images and Containers on RHEL 8

Day-to-day Docker work revolves around a core set of commands for pulling images from registries, starting and stopping containers, reading logs, and cleaning up unused resources. Mastering these commands on RHEL 8 means you can confidently deploy, debug, and maintain containerized applications without relying on GUI tools. This tutorial covers the full lifecycle from pulling […]

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Common Problems 121651

Debian 9 – PostgreSQL Fails Because WAL Partition Is Full – Immediate Recovery

🔴 Critical   ⏱ 5–30 min  Last verified: 24 December 2020 Affected versions: Debian 9 📖 ~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 112977

Windows Server 2016 — Install-Module fails because NuGet package provider is missing or outdated — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 24 December 2020 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 112900

Windows Server 2016 — Boot stops with winload.efi missing or corrupt — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 24 December 2020 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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Oracle Linux 8 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — vulnerability — patch and remediation guide (ELSA-2019-3871)

🟠 High   ⏱ 15–60 min  Last verified: 23 December 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3871 Related CVEs: CVE-2019-0155 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Common Problems 118441

Ubuntu 16.04 LTS – initramfs unpacking failed during kernel update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 December 2020 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 […]

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How to Set Up Two-Factor Authentication on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Set Up Two-Factor Authentication on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up two-factor authentication on ibm aix 7.2 on […]

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