Troubleshooting

FreeBSD 12 — bind96-base — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — bind96-base — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: bind — denial of service vulnerability Related CVEs: CVE-2012-5166 CVE-2013-3919 CVE-2014-0591 CVE-2014-8500 CVE-2014-8680 Upstream summary: ISC reports: We have today posted updated versions of 9.9.6 and 9.10.1 to address a […]

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How to Set Up a Kubernetes Dashboard on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up a Kubernetes Dashboard on RHEL 8

The Kubernetes Dashboard is a web-based UI that gives cluster operators a visual overview of workloads, services, namespaces, and resource utilization without dropping into kubectl for every task. On RHEL 8 with a running Kubernetes cluster, deploying the dashboard takes only a few kubectl commands. This tutorial covers installation, creating a service account with the […]

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FreeBSD 12 — mysql55-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mysql55-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL — multiple vulnerabilities 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: Oracle reports: Please reference CVE/URL list for details Not all listed CVE's […]

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FreeBSD 12 — mariadb104-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mariadb104-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MariaDB — Nullpointer dereference Related CVEs: CVE-2018-25032 CVE-2019-1543 CVE-2019-1547 CVE-2019-15601 CVE-2019-17543 CVE-2019-2730 CVE-2019-2731 CVE-2019-2737  +12 more Upstream summary: The MariaDB project reports: MariaDB Server is vulnerable to Denial of Service. […]

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Common Problems 118053

NTP Not Synchronizing Time on Ubuntu 18.04

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 117475

No Sound Output on HDA Intel

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: 20.04 📖 ~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 […]

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How to Configure HAProxy SSL Termination on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure HAProxy SSL Termination on SLES 12

Introduction This tutorial covers How to Configure HAProxy SSL Termination 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 114918

RHEL 8 Service Fails to Start Because of Dependency Ordering

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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 — zh-unrar — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — zh-unrar — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rar — password prompt buffer overflow vulnerability Related CVEs: CVE-2007-0855 Upstream summary: iDefense reports: Remote exploitation of a stack based buffer overflow vulnerability in RARLabs Unrar may allow an attacker […]

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Common Problems 113580

Windows Server 2012 R2 — LDAP search timeout when querying large groups via PowerShell — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 07 July 2027 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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