Operations

Oracle Linux 9 — libguestfs-winsupport — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libguestfs-winsupport — vulnerability — patch and remediation guide (ELSA-2023-2179)

🟡 Medium   ⏱ 10–30 min  Last verified: 18 September 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2179 Related CVEs: CVE-2021-46790 CVE-2022-30788 CVE-2022-30789 CVE-2022-30784 CVE-2022-30786 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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FreeBSD 13 — mariadb55-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mariadb55-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 18 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MariaDB — Vulnerability in C API Related CVEs: CVE-2015-3194 CVE-2015-4792 CVE-2015-4802 CVE-2015-4807 CVE-2015-4815 CVE-2015-4826 CVE-2015-4830 CVE-2015-4836  +12 more Upstream summary: MariaDB reports: Difficult to exploit vulnerability allows unauthenticated attacker with […]

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How to Monitor MySQL with Prometheus mysqld_exporter on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Monitor MySQL with Prometheus mysqld_exporter on RHEL 8

Prometheus is a popular open-source monitoring system that collects metrics by scraping HTTP endpoints called exporters. The mysqld_exporter binary exposes MySQL server metrics in Prometheus format so you can build dashboards, set alerts, and track database health over time. In this tutorial you will create a dedicated MySQL monitoring user with least-privilege grants, deploy mysqld_exporter […]

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Common Problems 120632

Debian 11 – DKMS Module Build Fails After Kernel Update – Header Alignment

🟠 High   ⏱ 5–30 min  Last verified: 17 September 2022 Affected versions: Debian 11 📖 ~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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How to Configure IBM Rational Tools on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure IBM Rational Tools on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure ibm rational tools on IBM AIX 7.3 with […]

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AlmaLinux 8 — gcc-toolset-10-ltrace — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gcc-toolset-10-ltrace — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:4777 Upstream summary: GCC Toolset is a compiler toolset that provides recent versions of development tools. GCC Toolset is an Application Stream packaged as a Software Collection. This enhancement update adds the […]

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FreeBSD 13 — axis — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — axis — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Axis2 — Security vulnerability on dependency Apache Commons FileUpload Related CVEs: CVE-2010-3981 CVE-2012-6153 CVE-2014-3577 CVE-2016-1000031 Upstream summary: Apache Axis2 reports: The commons-fileupload dependency has been updated to a version that […]

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FreeBSD 13 — roundcube — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — roundcube — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Roundcube — Multiple vulnerabilities Related CVEs: CVE-2008-5619 CVE-2009-0413 CVE-2011-2937 CVE-2012-3508 CVE-2013-1904 CVE-2015-5381 CVE-2015-5383 CVE-2016-5103  +8 more Upstream summary: The Roundcube project reports: Cross-Site-Scripting vulnerability via SVG’s animate tag Information Disclosure […]

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AlmaLinux 8 — libpfm — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libpfm — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4269 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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