Operations

Gentoo Linux — mail-client/roundcube — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — mail-client/roundcube — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202507-10 Related CVEs: CVE-2019-15237 CVE-2021-44025 CVE-2021-44026 CVE-2020-12625 CVE-2020-12626 CVE-2020-12640 CVE-2020-12641 Upstream summary: Multiple vulnerabilities have been discovered in Roundcube. Please review the CVE identifiers referenced below for details. Table of contents Symptom […]

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Oracle Linux 8 — container-tools:4.0 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:4.0 — security and stability fixes — required update (ELSA-2022-7469)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7469 Related CVEs: CVE-2022-29162 CVE-2022-27191 CVE-2022-1708 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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Common Problems 117546

Ubuntu 20.04 File Permissions Broken After Recursive Chown

🟡 Medium   ⏱ 5–30 min  Last verified: 15 August 2021 📖 ~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 113094

Windows Server 2016 — AGDLP scaling breaks when global groups exceed forest replication threshold — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 15 August 2021 Affected versions: Windows Server 2016 📖 ~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 Install Node.js on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Node.js on FreeBSD 13

Introduction How to Install Node.js on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]

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How to Set Up Git via AIX Toolbox on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Set Up Git via AIX Toolbox on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up git via aix toolbox on ibm aix […]

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FreeBSD 13 — calligra — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — calligra — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Calligra, KOffice — input validation failure Related CVEs: CVE-2012-3455 CVE-2012-3456 Upstream summary: KDE Security Advisory reports: A flaw has been found which can allow malicious code to take advantage of […]

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FreeBSD 13 — php55-bcmath — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php55-bcmath — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2016-3074 Upstream summary: The PHP Group reports: BCMath: Fixed bug #72093 (bcpowmod accepts negative scale and corrupts _one_ definition). Exif: Fixed bug #72094 (Out […]

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