Logging Monitoring

Ubuntu 20.04 — pcs — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — pcs — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 January 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7614-1 Related CVEs: CVE-2017-2661 CVE-2022-2735 CVE-2018-1086 CVE-2022-1049 Upstream summary: Cedric Buissart discovered that pcs did not correctly handle certain parameters. An attacker could possibly use this issue to leak sensitive […]

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Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2022-9726)

🟠 High   ⏱ 15–60 min  Last verified: 2 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9726 Related CVEs: CVE-2022-21385 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 Configure Windows Server 2022 Active Directory Schema — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 Active Directory Schema

Introduction to TLS/SSL for Remote Desktop Protocol Remote Desktop Protocol (RDP) is one of the most widely used management interfaces in Windows Server environments, and it is also one of the most frequently targeted services by attackers. Securing RDP with proper TLS/SSL configuration on Windows Server 2022 is not optional — it is a fundamental […]

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AlmaLinux 8 — uom-se — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — uom-se — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:0290 Related CVEs: CVE-2021-4104 CVE-2022-23302 CVE-2022-23305 CVE-2022-23307 Upstream summary: Parfait is a Java performance monitoring library that collects metrics and exposes them through a variety of outputs. It provides APIs for extracting […]

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Common Problems 115517

subscription-manager Certificates Cause yum SSL Failures

🟡 Medium   ⏱ 5–30 min  Last verified: 1 January 2023 📖 ~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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FreeBSD 13 — libexo — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libexo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 January 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: XFCE — Allows executing malicious .desktop files pointing to remote code Related CVEs: CVE-2022-32278 Upstream summary: XFCE Project reports: Prevent executing possibly malicious .desktop files from online sources (ftp://, http:// […]

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How to Configure Network File System Automount on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure Network File System Automount on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure network file system automount on IBM AIX 7.3 […]

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Common Problems 111808

Windows Server 2022 — .NET Framework app fails after SchUseStrongCrypto enforcement — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 1 January 2023 Affected versions: Windows Server 2022 📖 ~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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Debian 11 — claws-mail — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — claws-mail — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-1558 CVE-2007-6208 CVE-2010-5109 CVE-2012-4507 CVE-2014-2576 CVE-2015-8614 CVE-2015-8708 CVE-2019-10735  +3 more Upstream summary: The APOP protocol allows remote attackers to guess the first 3 characters of a password via […]

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