Logging Monitoring

Oracle Linux 8 — nodejs:16 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:16 — security and stability fixes — required update (ELSA-2022-6449)

🟡 Medium   ⏱ 10–30 min  Last verified: 11 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6449 Related CVEs: CVE-2021-3807 CVE-2022-32213 CVE-2022-32212 CVE-2022-32214 CVE-2022-32215 CVE-2022-33987 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 118086

Ubuntu 18.04 LTS – kubelet fails to start due to cgroup driver mismatch – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 11 November 2020 Affected versions: Ubuntu 18.04 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 Configure Software RAID on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Software RAID on Oracle Linux 8

Introduction How to Configure Software RAID 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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Common Problems 115007

Sudo Command Fails with PAM Account Error

🟡 Medium   ⏱ 5–30 min  Last verified: 11 November 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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Common Problems 113019

Windows Server 2016 – Hyper-V checkpoint merge stuck with AVHDX growth – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 11 November 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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Gentoo Linux — kde-apps/ark — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — kde-apps/ark — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202101-06 Related CVEs: CVE-2020-24654 CVE-2020-16116 Upstream summary: KDE Ark did not fully verify symlinks contained within tar archives. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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SLES 12 — icu — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — icu — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 November 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2020:773-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-10531 CVE-2020-21913 CVE-2014-8146 CVE-2014-8147 CVE-2014-9654 CVE-2016-6293 CVE-2017-14952 CVE-2017-15422  +3 more Upstream summary: An issue was discovered in International Components for Unicode (ICU) for C/C++ through […]

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How to Enable CIS Benchmarks on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Enable CIS Benchmarks 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 enable cis benchmarks on ibm aix 7.1 on IBM […]

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How to Use Live Partition Mobility on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use Live Partition Mobility 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 use live partition mobility on ibm aix 7.1 on […]

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

How to Configure PowerShell Remoting on Windows Server 2016

How to Configure Windows Server 2016 PowerShell Remoting PowerShell Remoting is one of the most powerful remote management capabilities in Windows Server 2016. It allows administrators to run PowerShell commands and scripts on remote computers as if they were sitting at the console of that machine. Built on the WS-Management protocol (WinRM), PowerShell Remoting enables […]

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