Logging Monitoring

Alpine Linux 3.20 — varnish — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — varnish — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 7.5.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — varnish 7.5.0-r0 Related CVEs: CVE-2024-30156 CVE-2023-44487 CVE-2022-45059 CVE-2022-45060 CVE-2022-38150 CVE-2022-23959 CVE-2021-36740 CVE-2019-15892  +2 more Upstream summary: Alpine main repository for vv3.20 ships varnish 7.5.0-r0 which […]

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Oracle Linux 10 — kea — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — kea — vulnerability — patch and remediation guide (ELSA-2025-9178)

🟠 High   ⏱ 15–60 min  Last verified: 30 July 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-9178 Related CVEs: CVE-2025-32803 CVE-2025-32801 CVE-2025-32802 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 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50261)

🟠 High   ⏱ 15–60 min  Last verified: 30 July 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50261 Related CVEs: CVE-2024-50043 CVE-2024-53230 CVE-2024-53231 CVE-2024-58078 CVE-2025-21720 CVE-2025-21723 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Red Hat Enterprise Linux 10 — tomcat9 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — tomcat9 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:18536 Related CVEs: CVE-2025-46701 CVE-2025-55668 CVE-2025-55754 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution […]

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FreeBSD 12 — xorg-vfbserver — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — xorg-vfbserver — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 July 2025 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xorg server — Multiple vulnerabilities Related CVEs: CVE-2017-12176 CVE-2017-12177 CVE-2017-12178 CVE-2017-12179 CVE-2017-12180 CVE-2017-12181 CVE-2017-12182 CVE-2017-12183  +12 more Upstream summary: The X.Org project reports: CVE-2025-49176: Integer overflow in Big Requests Extension […]

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Common Problems 111128

Windows Server 2025 — Account lockout policy too aggressive causing false lockouts — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 2025 Affected versions: Windows Server 2025 📖 ~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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Red Hat Enterprise Linux 9 — butane — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — butane — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:3053 Related CVEs: CVE-2025-61729 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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How to Configure Nginx WebSocket Proxying on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Configure Nginx WebSocket Proxying on Oracle Linux 10

Introduction Setting up configure nginx websocket proxying on oracle linux 10 on a Oracle Linux 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Nginx WebSocket Proxying on Oracle Linux 10, with all the commands you need, the SELinux and firewalld considerations to […]

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Common Problems 124065

OpenSSH Login Delays from Reverse DNS Timeouts

🟡 Medium   ⏱ 5–30 min  Last verified: 29 July 2025 Affected versions: Oracle Linux 10 📖 ~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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NetBSD 10.0 — zziplib — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — zziplib — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2007-1614 CVE-2018-7727 CVE-2018-16548 CVE-2018-17828 CVE-2017-5974 CVE-2017-5975 CVE-2017-5976 CVE-2017-5977  +12 more Upstream summary: pkgsrc audit-packages flagged zziplib<0.10.82nb3 for vulnerability class 'buffer-overflow'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1614 Table of contents Symptom & Impact Environment […]

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