Security Hardening

openSUSE Tumbleweed — cni-plugins — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — cni-plugins — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:1049-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-10749 Upstream summary: A vulnerability was found in all versions of containernetworking/plugins before version 0.8.6, that allows malicious containers in Kubernetes clusters to perform man-in-the-middle […]

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Common Problems 113526

Windows Server 2012 R2 – ACPI chipset driver conflict triggers unexpected reboots – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 22 September 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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How to Use nmon for Performance Monitoring on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use nmon for Performance Monitoring 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 use nmon for performance monitoring on ibm aix 7.2 […]

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FreeBSD 12 — phpMyAdmin5-php — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — phpMyAdmin5-php — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 September 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: phpMyAdmin — XSS vulnerability in drag-and-drop upload Related CVEs: CVE-2020-5504 Upstream summary: phpMyAdmin Team reports: PMASA-2023-1 XSS vulnerability in drag-and-drop upload Table of contents Symptom & Impact Environment & Reproduction […]

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How to Configure Azure Hybrid Benefit for Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Azure Hybrid Benefit for Windows Server 2016

How to Configure Windows Server 2016 for Azure Hybrid Benefit Azure Hybrid Benefit is a licensing program from Microsoft that allows organizations to use their existing on-premises Windows Server licenses with Software Assurance to reduce costs when migrating workloads to Microsoft Azure. When you bring your own Windows Server license to Azure, you can save […]

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Ubuntu 16.04 — spamassassin — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — spamassassin — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 September 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4899-1 Related CVEs: CVE-2020-1946 CVE-2020-1930 CVE-2020-1931 CVE-2018-11805 CVE-2019-12420 CVE-2017-15705 CVE-2018-11780 CVE-2018-11781 Upstream summary: Damian Lukowski discovered that SpamAssassin incorrectly handled certain CF files. If a user or automated system were […]

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Alpine Linux edge — libetpan — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libetpan — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.9.4-r1 📖 ~4 min read  •  Source: Alpine secdb entry — libetpan 1.9.4-r1 Related CVEs: CVE-2020-15953 Upstream summary: Alpine community repository for vedge ships libetpan 1.9.4-r1 which addresses CVE-2020-15953. Table of contents Symptom & Impact Environment […]

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Oracle Linux 8 — cryptsetup security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — cryptsetup security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4542)

🟡 Medium   ⏱ 10–30 min  Last verified: 21 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4542 Related CVEs: CVE-2020-14382 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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How to Set Up an Oracle Linux 8 Template in VMware — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up an Oracle Linux 8 Template in VMware

Introduction This tutorial demonstrates how to Set Up an Oracle Linux 8 Template in VMware on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with […]

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Amazon Linux 2 — ldns — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — ldns — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2032 Related CVEs: CVE-2020-19860 Upstream summary: When ldns version 1.7.1 verifies a zone file, the ldns_rr_new_frm_str_internal function has a heap out of bounds read vulnerability. An attacker can leak information […]

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CHAT