Troubleshooting

Gentoo Linux — media-gfx/openscad — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-gfx/openscad — 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-202107-35 Related CVEs: CVE-2020-28599 Upstream summary: A buffer overflow exists in OpenSCAD when parsing STL files. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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FreeBSD 12 — flac — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — flac — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 April 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: flac — fix encoder bug Related CVEs: CVE-2007-3507 CVE-2007-4619 CVE-2014-8962 CVE-2014-9028 CVE-2020-0499 CVE-2021-0561 Upstream summary: The FLAC 1.3.4 release reports: Fix 12 decoder bugs found by oss-fuzz. Fix encoder bug […]

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Debian 10 — moin — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — moin — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 April 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-15275 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Gentoo Linux — gnome-base/gnome-shell — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — gnome-base/gnome-shell — multiple vulnerabilities (2 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-202208-33 Related CVEs: CVE-2020-12825 CVE-2020-17489 Upstream summary: The cr_parser_parse_any_core function in libcroco's cr-parser.c does not limit recursion, leading to a denial of service via a stack overflow when trying to parse crafted […]

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How to Set Up Log Analytics with Windows Event Logs on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Log Analytics with Windows Event Logs on Windows Server 2019

Introduction to Log Analytics with Windows Event Logs Centralizing Windows Event Logs in Azure Log Analytics (part of Azure Monitor) transforms raw event data into a searchable, queryable, and alertable intelligence source. Windows Server 2019 generates thousands of events per day across the Application, Security, System, and application-specific event logs. Without centralization, these logs are […]

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Oracle Linux 8 — .NET Core 3.1 security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET Core 3.1 security and bugfix update (ELSA-2022-6523)

🟡 Medium   ⏱ 10–30 min  Last verified: 11 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6523 Related CVEs: CVE-2022-38013 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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AlmaLinux 8 — gnome-initial-setup — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gnome-initial-setup — 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-2022:1874 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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Common Problems 118996

Ubuntu 14.04 LTS – SSH sessions reset unexpectedly under load – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 11 April 2021 Affected versions: Ubuntu 14.04 LTS 📖 ~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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Common Problems 118605

Ubuntu 16.04 LTS iptables rules lost after reboot

🟠 High   ⏱ 5–30 min  Last verified: 11 April 2021 Affected versions: 16.04 📖 ~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 Enable HTTP/2 in Nginx on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Enable HTTP/2 in Nginx on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying enable http/2 in nginx on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Enable HTTP/2 in Nginx on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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