Troubleshooting

How to Configure Kernel Parameters with sysctl on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Kernel Parameters with sysctl on SLES 12

Introduction This tutorial covers How to Configure Kernel Parameters with sysctl 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: […]

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FreeBSD 12 — apache+mod_ssl+ipv — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — apache+mod_ssl+ipv — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Apache 1.3 — mod_proxy reverse proxy exposure Related CVEs: CVE-2004-0700 CVE-2004-0885 CVE-2004-0940 CVE-2005-2088 CVE-2005-3352 CVE-2006-3747 CVE-2011-3368 Upstream summary: Apache HTTP server project reports: An exposure was found when using mod_proxy […]

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Arch Linux — pigeonhole — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — pigeonhole — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201908-19 Related CVEs: CVE-2019-11500 CVE-2020-28200 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 0.5.7.1-1. Fixed in: 0.5.7.2-1. Group: AVG-1027. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Common Problems 118081

Ubuntu 18.04 Apache Service Fails with Config Test Error

🟡 Medium   ⏱ 5–30 min  Last verified: 21 March 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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Common Problems 112974

Windows Server 2016 — Folder redirection GPO fails to redirect Documents to file share — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 21 March 2020 Affected versions: Windows Server 2016 📖 ~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 Errors […]

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FreeBSD 12 — libjpeg-turbo — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libjpeg-turbo — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libjpeg-turbo — Issue in the PPM reader causing a buffer overrun in cjpeg, TJBench, or the tjLoadImage() function. Related CVEs: CVE-2012-2806 CVE-2020-13790 Upstream summary: libjpeg-turbo releases reports: This release fixes […]

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FreeBSD 12 — py-django — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py-django — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: django — CSRF protection bypass on a site with Google Analytics Related CVEs: CVE-2016-7401 Upstream summary: Django Software Foundation reports: An interaction between Google Analytics and Django's cookie parsing could […]

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How to Configure Tekton CI/CD on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Tekton CI/CD on FreeBSD 12

Introduction Deploying configure tekton ci/cd on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base […]

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Common Problems 112390

Windows Server 2019 – UAC prompts blocking automation and scheduled tasks – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 21 March 2020 Affected versions: Windows Server 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 […]

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Ubuntu 16.04 — gthumb — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — gthumb — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 March 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5681-1 Related CVEs: CVE-2018-18718 CVE-2019-20326 CVE-2020-36427 Upstream summary: It was discovered that gThumb did not properly managed memory under certain circumstances. An attacker could possibly use this issue to cause […]

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