Logging Monitoring

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

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2023-4952)

🟠 High   ⏱ 15–60 min  Last verified: 11 May 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4952 Related CVEs: CVE-2023-4580 CVE-2023-4584 CVE-2023-4573 CVE-2023-4577 CVE-2023-4585 CVE-2023-4583 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 9 — mod_http2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — mod_http2 — vulnerability — patch and remediation guide (ELSA-2024-2368)

🟡 Medium   ⏱ 10–30 min  Last verified: 11 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2368 Related CVEs: CVE-2023-45802 CVE-2023-43622 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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Windows Server 2019 — KB5030216 — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5030216 — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5030216 • MSRC update-guide entry Related CVEs: CVE-2023-35355 CVE-2023-38162 CVE-2023-38161 CVE-2023-38152 CVE-2023-38149 CVE-2023-38147 CVE-2023-38144 CVE-2023-38143  +10 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Oracle Linux 8 — nodejs:16 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:16 — vulnerability — patch and remediation guide (ELSA-2023-5850)

🟠 High   ⏱ 15–60 min  Last verified: 11 May 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5850 Related CVEs: CVE-2023-44487 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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openSUSE Tumbleweed — agama-web-ui — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — agama-web-ui — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2023-28154 Upstream summary: Webpack 5 before 5.76.0 does not avoid cross-realm object access. ImportParserPlugin.js mishandles the magic comment feature. An attacker who controls a property […]

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How to Configure auditd for Security Event Logging on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure auditd for Security Event Logging on RHEL 8

The Linux Audit daemon (auditd) ships enabled by default on RHEL 8 and provides a kernel-level event logging subsystem capable of recording file access, system calls, user logins, and privilege escalation. Unlike application-level logging, audit records are written directly by the kernel and are tamper-evident, making them suitable for compliance frameworks such as PCI-DSS, HIPAA, […]

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

Oracle Linux 9 — poppler — security and stability fixes — required update (ELSA-2022-8151)

🟡 Medium   ⏱ 10–30 min  Last verified: 10 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8151 Related CVEs: CVE-2022-27337 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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Common Problems 111871

Windows Server 2022 — Failover cluster witness resource lost quorum after file share deletion — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 May 2023 Affected versions: Windows Server 2022 📖 ~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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How to Configure DRBD for High Availability on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure DRBD for High Availability on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying configure drbd for high availability on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure DRBD for High Availability on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the […]

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