Package Management

Oracle Linux 8 — Limitations of the LVM dm-writecache Caching Method — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Limitations of the LVM dm-writecache Caching Method

🟠 High   ⏱ 5–30 min  Last verified: 3 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 31203340 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 […]

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How to Configure Xdebug for PHP on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Xdebug for PHP on SLES 12

Introduction This tutorial covers How to Configure Xdebug for PHP on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper […]

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Common Problems 118122

Ubuntu 18.04 LTS Snap services fail after corrupted snapd state

🟡 Medium   ⏱ 5–30 min  Last verified: 3 July 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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FreeBSD 13 — py25-django-devel — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py25-django-devel — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: django — multiple vulnerabilities Related CVEs: CVE-2008-2302 CVE-2009-3695 CVE-2010-3082 Upstream summary: The Django project reports: Please reference CVE/URL list for details Table of contents Symptom & Impact Environment & Reproduction […]

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openSUSE Tumbleweed — cfengine — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — cfengine — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2021-36756 CVE-2021-38379 Upstream summary: CFEngine Enterprise 3.15.0 through 3.15.4 has Missing SSL Certificate Validation. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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FreeBSD 13 — pear-twig-twig — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — pear-twig-twig — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pear-twig — remote code execution Related CVEs: CVE-2015-7809 Upstream summary: Fabien Potencier reports: End users can craft valid Twig code that allows them to execute arbitrary code (RCEs) via the […]

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FreeBSD 13 — pngcrush — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — pngcrush — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pngcrush — libpng Uninitialised Pointer Arrays Vulnerability Related CVEs: CVE-2009-0040 Upstream summary: Secunia reports: A vulnerability has been reported in Pngcrush, which can be exploited by malicious people to potentially […]

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How to Upgrade FreeBSD 13 to FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Upgrade FreeBSD 13 to FreeBSD 13

Introduction How to Upgrade FreeBSD 13 to 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, […]

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Ubuntu 18.04 — libphp-adodb — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libphp-adodb — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 July 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6825-1 Related CVEs: CVE-2016-4855 CVE-2016-7405 CVE-2021-3850 Upstream summary: It was discovered that the PDO driver in ADOdb was incorrectly handling string quotes. A remote attacker could possibly use this issue […]

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