Operations

Oracle Linux 8 — git — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — git — vulnerability — patch and remediation guide (ELSA-2023-0610)

🟠 High   ⏱ 15–60 min  Last verified: 14 December 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0610 Related CVEs: CVE-2022-41903 CVE-2022-23521 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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Oracle Linux 9 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel — vulnerability — patch and remediation guide (ELSA-2024-9315)

🟡 Medium   ⏱ 10–30 min  Last verified: 14 December 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-9315 Related CVEs: CVE-2019-25162 CVE-2020-10135 CVE-2021-47098 CVE-2021-47101 CVE-2021-47185 CVE-2021-47384 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Configure Windows Server for SAML/SSO Integration on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server for SAML/SSO Integration on Windows Server 2022

Understanding SAML 2.0 and Federated Identity Security Assertion Markup Language 2.0 (SAML 2.0) is an open XML-based standard for exchanging authentication and authorization data between an Identity Provider (IdP) and a Service Provider (SP). It is the dominant protocol for enterprise Single Sign-On (SSO) integration with web applications such as Salesforce, ServiceNow, AWS, and hundreds […]

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Common Problems 116947

Ubuntu 22.04 Drops to BusyBox Initramfs Due to UUID Mismatch

🟡 Medium   ⏱ 5–30 min  Last verified: 13 December 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 & Cross-Refs References & Further […]

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Common Problems 115477

Network Service Conflict Between NetworkManager and Legacy Scripts

🟡 Medium   ⏱ 5–30 min  Last verified: 13 December 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 & Cross-Refs References & Further […]

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Common Problems 115422

DNS resolution intermittently fails

🟡 Medium   ⏱ 5–30 min  Last verified: 13 December 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 & Cross-Refs References & Further […]

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IBM AIX 7.2 — CVE-2022-38391 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2022-38391 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 13 December 2022 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2022-38391, IBM Support Bulletin CVE: CVE-2022-38391 NVD summary: IBM Spectrum Control 5.4 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 233982. […]

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Debian 11 — oddjob — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — oddjob — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-10737 Upstream summary: A race condition was found in the mkhomedir tool shipped with the oddjob package in versions before 0.34.5 and 0.34.6 wherein, during the home creation, […]

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How to Install Nginx via AIX Toolbox on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Install Nginx via AIX Toolbox 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 install nginx via aix toolbox on IBM AIX 7.3 […]

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Common Problems 112453

Windows Server 2019 — PXE clients fail to obtain boot options from DHCP policy classes on Server 2019 — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 13 December 2022 Affected versions: Windows Server 2019 📖 ~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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