Linux

Oracle Linux 8 — grafana — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grafana — vulnerability — patch and remediation guide (ELSA-2025-8667)

🟡 Medium   ⏱ 10–30 min  Last verified: 14 October 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-8667 Related CVEs: CVE-2025-22871 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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Alpine Linux 3.20 — qt6-qtbase — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — qt6-qtbase — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 6.5.0-r5 📖 ~4 min read  •  Source: Alpine secdb entry — qt6-qtbase 6.5.0-r5 Related CVEs: CVE-2023-32762 CVE-2023-32763 Upstream summary: Alpine community repository for vv3.20 ships qt6-qtbase 6.5.0-r5 which addresses CVE-2023-32762. Table of contents Symptom & Impact […]

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Common Problems 119596

Debian 13 Container Runtime Fails After cgroup Configuration Drift

🟡 Medium   ⏱ 5–30 min  Last verified: 14 October 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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Oracle Linux 9 — grafana-pcp — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — grafana-pcp — vulnerability — patch and remediation guide (ELSA-2026-3040)

🟠 High   ⏱ 15–60 min  Last verified: 14 October 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-3040 Related CVEs: CVE-2025-61726 CVE-2025-61729 CVE-2025-68121 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Oracle Linux 8 — go-toolset:ol8 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — go-toolset:ol8 — vulnerability — patch and remediation guide (ELSA-2026-2708)

🟠 High   ⏱ 15–60 min  Last verified: 14 October 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-2708 Related CVEs: CVE-2025-61726 CVE-2025-61728 CVE-2025-61732 CVE-2025-68121 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Debian 13 — u-boot — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — u-boot — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-3225 CVE-2017-3226 CVE-2018-1000205 CVE-2018-18439 CVE-2018-18440 CVE-2018-3968 CVE-2019-11059 CVE-2019-11690  +12 more Upstream summary: Das U-Boot is a device bootloader that can read its configuration from an AES encrypted file. […]

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Alpine Linux 3.20 — klibc — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — klibc — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.0.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — klibc 2.0.9-r0 Related CVEs: CVE-2021-31870 CVE-2021-31871 CVE-2021-31872 CVE-2021-31873 Upstream summary: Alpine community repository for vv3.20 ships klibc 2.0.9-r0 which addresses CVE-2021-31870. Table of contents Symptom […]

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How to Set Up WireGuard VPN on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up WireGuard VPN on RHEL 9

WireGuard is a modern, high-performance VPN protocol built into the Linux kernel since version 5.6. It uses state-of-the-art cryptography (Curve25519, ChaCha20, Poly1305) and has a dramatically smaller codebase than older solutions like OpenVPN or IPsec, making it easier to audit and less prone to vulnerabilities. On RHEL 9, WireGuard support is available through the kernel […]

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How to Enable AppArmor on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Enable AppArmor on Debian 13

Introduction This guide explains how to Enable AppArmor on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with the standard repositories […]

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Common Problems 127182

CentOS Stream 10 – Common Problem 147 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 13 October 2025 Affected versions: CentOS Stream 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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