chris

Common Problems 115122

RHEL 8 MariaDB service fails to start after data directory move

🟡 Medium   ⏱ 5–30 min  Last verified: 24 June 2019 📖 ~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 114957

Chrony Not Syncing Time with NTP Sources

🟡 Medium   ⏱ 5–30 min  Last verified: 24 June 2019 📖 ~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 12 — dcraw-m — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — dcraw-m — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 June 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dcraw — integer overflow condition Related CVEs: CVE-2015-3885 Upstream summary: ocert reports: The dcraw tool, as well as several other projects re-using its code, suffers from an integer overflow condition […]

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How to Install Nomad on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Nomad on FreeBSD 12

Introduction How to Install Nomad on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 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 Contribute to AIX Open Source Community on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Contribute to AIX Open Source Community 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 contribute to aix open source community on ibm aix […]

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FreeBSD 12 — rubygem18-dragonfly — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem18-dragonfly — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 June 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rubygem-dragonfly — arbitrary code execution Related CVEs: CVE-2013-1756 Upstream summary: Mark Evans reports: Unfortnately there is a security vulnerability in Dragonfly when used with Rails which would potentially allow an […]

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Alpine Linux edge — libmspack — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libmspack — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.8_alpha-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libmspack 0.8_alpha-r0 Related CVEs: CVE-2018-18584 CVE-2018-18585 CVE-2018-18586 CVE-2018-14679 CVE-2018-14680 CVE-2018-14681 CVE-2018-14682 CVE-2017-6419  +2 more Upstream summary: Alpine community repository for vedge ships libmspack 0.8_alpha-r0 which […]

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FreeBSD 12 — linux-f8-tiff — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — linux-f8-tiff — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 June 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tiff — multiple vulnerabilities Related CVEs: CVE-2017-5225 CVE-2017-7592 CVE-2017-7593 CVE-2017-7594 CVE-2017-7595 CVE-2017-7596 CVE-2017-7597 CVE-2017-7598  +4 more Upstream summary: NVD reports: Please reference CVE/URL list for details Table of contents Symptom […]

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How To Setup VNC For Ubuntu 12 — step-by-step Linux tutorial on Progressive Robot

How To Setup VNC For Ubuntu 12

VNC will allow you to connect to your server remotely, as well as be able to use your keyboard, mouse, and monitor to interface with that server. Get it setup on your Ubuntu 12 cloud server.

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