Logging Monitoring

FreeBSD 12 — percona56-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — percona56-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL Client — Multiple vulerabilities Related CVEs: CVE-2015-4792 CVE-2015-4802 CVE-2015-4807 CVE-2015-4815 CVE-2015-4826 CVE-2015-4830 CVE-2015-4836 CVE-2015-4858  +12 more Upstream summary: Oracle reports: This Critical Patch Update contains 45 new security patches […]

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Common Problems 115063

RHEL 8 multipath devices intermittently flap and fail paths

🟡 Medium   ⏱ 5–30 min  Last verified: 2 April 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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How to Configure Static IP on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Static IP on Debian 9

Introduction This guide explains how to Configure Static IP on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the standard […]

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FreeBSD 12 — ppsspp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ppsspp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libzip — integer overflow Related CVEs: CVE-2015-2331 Upstream summary: libzip developers report: Avoid integer overflow. Fixed similarly to patch used in PHP copy of libzip. Table of contents Symptom & […]

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Gentoo Linux — dev-java/xmlrpc — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-java/xmlrpc — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202401-26 Related CVEs: CVE-2016-5002 CVE-2016-5003 CVE-2019-17570 Upstream summary: Multiple vulnerabilities have been discovered in Apache XML-RPC. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment […]

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FreeBSD 12 — php55-mysql — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php55-mysql — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mysql — SSL Downgrade Related CVEs: CVE-2015-3152 Upstream summary: Duo Security reports: Researchers have identified a serious vulnerability in some versions of Oracle’s MySQL database product that allows an attacker […]

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How to Set Up MariaDB Galera Cluster on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up MariaDB Galera Cluster on Debian 10

Introduction Deploying set up mariadb galera cluster on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure […]

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Gentoo Linux — dev-embedded/u-boot-tools — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-embedded/u-boot-tools — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202405-23 Related CVEs: CVE-2020-8432 Upstream summary: A vulnerability has been discovered in U-Boot tools. Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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FreeBSD 12 — py36-requests — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py36-requests — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: www/py-requests — Information disclosure vulnerability Upstream summary: The Requests package before 2.20.0 for Python sends an HTTP Authorization header to an http URI upon receiving a same-hostname https-to-http redirect, which […]

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FreeBSD 12 — mcollective — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mcollective — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mcollective — cert valication issue Related CVEs: CVE-2014-3251 Upstream summary: Melissa Stone reports: The MCollective aes_security public key plugin does not correctly validate certs against the CA. By exploiting this […]

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