Linux

CentOS Stream 10 — vsftpd — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — vsftpd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 August 2025 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:0606 Related CVEs: CVE-2025-14242 Upstream summary: The vsftpd packages include a Very Secure File Transfer Protocol (FTP) daemon, which is used to serve files over a network. Security Fix(es): * vsftpd: […]

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SLES 15 — ovn — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — ovn — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 August 2025 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:0561-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-0650 CVE-2023-3966 CVE-2024-22563 CVE-2023-5366 CVE-2023-3152 CVE-2022-4337 CVE-2022-4338 CVE-2020-27827  +6 more Upstream summary: A flaw was found in the Open Virtual Network (OVN). Specially crafted UDP […]

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Oracle Linux 9 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel — security and stability fixes — required update (ELSA-2023-1703)

🟠 High   ⏱ 15–60 min  Last verified: 5 August 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-1703 Related CVEs: CVE-2023-0386 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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Common Problems 124158

Oracle Linux 10 – tuned profile drift reduces throughput and stability – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 5 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 CentOS Stream 10 for Machine Learning — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure CentOS Stream 10 for Machine Learning

Introduction How to Configure CentOS Stream 10 for Machine Learning on CentOS Stream 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 is […]

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Common Problems 124057

Oracle Linux 10 – nftables custom rules conflict with firewalld policies – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 5 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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Common Problems 124021

Oracle Linux 10 – boot drops to emergency mode due to invalid fstab UUID – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 5 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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Common Problems 117082

Ubuntu 22.04 DNS resolution failed

🟡 Medium   ⏱ 5–30 min  Last verified: 5 August 2025 📖 ~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 116510

Ubuntu 24.04 LTS – SSH public key authentication fails – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 5 August 2025 Affected versions: Ubuntu 24.04 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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Debian 12 — jython — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — jython — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 August 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2027 CVE-2016-4000 CVE-2017-17522 CVE-2019-16935 CVE-2025-12084 CVE-2025-15366 CVE-2025-15367 CVE-2025-6069  +3 more Upstream summary: Jython 2.2.1 uses the current umask to set the privileges of the class cache files, which […]

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