Security Hardening

Debian 12 — gdcm — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — gdcm — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 August 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3560 CVE-2009-3720 CVE-2015-8396 CVE-2015-8397 CVE-2024-22373 CVE-2024-22391 CVE-2024-25569 CVE-2025-11266  +5 more Upstream summary: The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module […]

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Common Problems 111111

Windows Server 2025 — Windows Server 2025 user profile corrupted showing ‘temporary profile’ — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 August 2025 Affected versions: Windows Server 2025 📖 ~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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Oracle Linux 10 — ipa — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — ipa — vulnerability — patch and remediation guide (ELSA-2025-9190)

🟠 High   ⏱ 15–60 min  Last verified: 10 August 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-9190 Related CVEs: CVE-2025-4404 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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openSUSE Leap 15.6 — perl — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — perl — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:695-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-6913 CVE-2025-40909 CVE-2018-6798 Upstream summary: Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows context-dependent attackers to execute arbitrary code via […]

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How to Monitor Docker with cAdvisor on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Monitor Docker with cAdvisor on Oracle Linux 10

Introduction How to Monitor Docker with cAdvisor on Oracle Linux 10 on Oracle Linux 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

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NetBSD 10.0 — mysql-server-5.0.[0-9]* — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — mysql-server — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged mysql-server for vulnerability class 'eol'. Reference: https://ftp.NetBSD.org/pub/NetBSD/packages/vulns/eol-packages Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Common Problems 124151

Oracle Linux 10 subscription-manager Repositories Suddenly Disabled

🟠 High   ⏱ 5–30 min  Last verified: 9 August 2025 Affected versions: Oracle Linux 10 📖 ~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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How to Configure Concourse CI on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure Concourse CI on CentOS Stream 10

Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying configure concourse ci on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Concourse CI on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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NetBSD 10.0 — mariadb55-server — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — mariadb55-server — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged mariadb55-server<5.5.46 for vulnerability class 'multiple-vulnerabilities'. Reference: https://mariadb.com/kb/en/mariadb/mariadb-5546-release-notes/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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