Logging Monitoring

Common Problems 115461

firewalld Blocking Application Port After Deployment

🟡 Medium   ⏱ 5–30 min  Last verified: 27 May 2020 📖 ~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 113587

Windows Server 2012 R2 — PendingFileRenameOperations Blocks Security Patch Commit — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 27 May 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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Alpine Linux edge — mpv — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — mpv — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.27.0-r3 📖 ~4 min read  •  Source: Alpine secdb entry — mpv 0.27.0-r3 Related CVEs: CVE-2018-6360 Upstream summary: Alpine community repository for vedge ships mpv 0.27.0-r3 which addresses CVE-2018-6360. Table of contents Symptom & Impact Environment […]

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FreeBSD 12 — mod_pubcookie — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mod_pubcookie — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mod_pubcookie — cross site scripting vulnerability Upstream summary: Nathan Dors of the Pubcookie Project reports: Non-persistent XSS vulnerabilities were found in the Pubcookie Apache module (mod_pubcookie) and ISAPI filter. These […]

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FreeBSD 12 — py37-yaml — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py37-yaml — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PyYAML — arbitrary code execution Related CVEs: CVE-2017-18342 CVE-2020-14343 CVE-2020-1747 Upstream summary: A vulnerability was discovered in the PyYAML library in versions before 5.4, where it is susceptible to arbitrary […]

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FreeBSD 12 — rubygem-passenger — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem-passenger — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rubygem-passenger — arbitrary file read vulnerability Related CVEs: CVE-2013-2119 CVE-2015-7519 CVE-2017-16355 Upstream summary: Phusion reports: The cPanel Security Team discovered a vulnerability in Passenger that allows users to list the […]

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How to Install Harbor Container Registry on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Harbor Container Registry on Debian 10

Introduction How to Install Harbor Container Registry on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. […]

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Gentoo Linux — dev-perl/DBI — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-perl/DBI — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202009-07 Related CVEs: CVE-2020-14392 CVE-2020-14393 Upstream summary: Multiple vulnerabilities have been discovered in the Perl module DBI. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact […]

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FreeBSD 12 — py311-beaker — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py311-beaker — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-beaker — arbitrary code execution vulnerability Related CVEs: CVE-2013-7489 Upstream summary: matheusbrat reports: The Beaker library through 1.12.1 for Python is affected by deserialization of untrusted data, which could lead […]

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Debian 10 — debian-lan-config — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — debian-lan-config — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 May 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-3467 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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