Logging Monitoring

Amazon Linux 2 — kernel-livepatch-4.14.355-280.672 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.355-280.672 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2025-276 Related CVEs: CVE-2023-53530 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Use raw_smp_processor_id() instead of smp_processor_id() (CVE-2023-53530) Table of contents Symptom & Impact […]

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How to Install and Use Skopeo for Container Image Management on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Use Skopeo for Container Image Management on RHEL 7

How to Install and Use Skopeo for Container Image Management on RHEL 7 Skopeo is a command-line utility for performing operations on container images and image registries without requiring a running Docker daemon. It is part of the Open Container Initiative (OCI) ecosystem championed by Red Hat and is included in the standard RHEL extras […]

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Oracle Linux 9 — podman — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — podman — security and stability fixes — required update (ELSA-2022-7954)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7954 Related CVEs: CVE-2020-28851 CVE-2021-20291 CVE-2020-28852 CVE-2021-4024 CVE-2021-33197 CVE-2021-34558 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 114505

RHEL 9: journalctl Logs Consuming Excessive Disk Space

🟡 Medium   ⏱ 5–30 min  Last verified: 27 March 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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How to Configure OpenSCAP Security Compliance on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure OpenSCAP Security Compliance on Oracle Linux 9

Introduction How to Configure OpenSCAP Security Compliance on Oracle Linux 9 on Oracle Linux 9 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 […]

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Common Problems 115571

MariaDB Service Fails Startup Due to Permission or SELinux Context

🟡 Medium   ⏱ 5–30 min  Last verified: 27 March 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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Common Problems 111753

Windows Server 2022 – Asymmetric routing causing intermittent packet loss – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 27 March 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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IBM AIX 7.3 — CVE-1999-0337 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-1999-0337 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 27 March 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-1999-0337, IBM PSIRT advisory page CVE: CVE-1999-0337 NVD summary: AIX batch queue (bsh) allows local and remote users to gain additional privileges when network printing is enabled. References: exchange.xforce.ibmcloud.com/vulnerabilities/CVE   exchange.xforce.ibmcloud.com/vulnerabilities/CVE Table […]

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Gentoo Linux — dev-util/android-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-util/android-tools — 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-202210-41 Related CVEs: CVE-2022-3168 CVE-2022-20128 Upstream summary: Multiple vulnerabilities have been discovered in android-tools. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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