Package Management

Oracle Linux 9 — flatpak-system-helper File Access Triggers SELinux Policy Violations — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — flatpak-system-helper File Access Triggers SELinux Policy Violations

🟠 High   ⏱ 5–30 min  Last verified: 3 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: Oracle Bug 34321783 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 […]

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How to Set Up Fluentd on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up Fluentd on SLES 15

Introduction This tutorial covers How to Set Up Fluentd on SLES 15 on SLES 15. SLES 15 (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 15 system is up to date: zypper refresh […]

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AlmaLinux 8 — python-coverage — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python-coverage — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:5994 Related CVEs: CVE-2023-40217 CVE-2023-24329 CVE-2019-7164 CVE-2019-7548 CVE-2019-9636 CVE-2022-40897 CVE-2022-48560 CVE-2022-48565  +12 more Upstream summary: Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, […]

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Common Problems 118003

Ubuntu 18.04 LTS unattended-upgrades hangs and blocks dpkg lock

🟡 Medium   ⏱ 5–30 min  Last verified: 3 May 2023 📖 ~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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Alpine Linux edge — xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 21.1.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — xorg-server 21.1.9-r0 Related CVEs: CVE-2023-5367 CVE-2023-5380 CVE-2023-5574 CVE-2023-0494 CVE-2022-4283 CVE-2022-46340 CVE-2022-46341 CVE-2022-46342  +12 more Upstream summary: Alpine community repository for vedge ships xorg-server 21.1.9-r0 which […]

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Ubuntu 20.04 — fdkaac — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — fdkaac — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 May 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7660-1 Related CVEs: CVE-2023-34823 CVE-2022-37781 CVE-2022-36148 CVE-2023-34824 Upstream summary: It was discovered that fdkaac did not correctly handle certain input. If a user or automated system were tricked into opening […]

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Ubuntu 20.04 — exuberant-ctags — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — exuberant-ctags — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 May 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5820-1 Related CVEs: CVE-2022-4515 Upstream summary: Lorenz Hipp discovered a flaw in exuberant-ctags handling of the tag filename command-line argument. A crafted tag filename specified in the command line or […]

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How to Configure Prometheus Alerting Rules on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Prometheus Alerting Rules on Oracle Linux 9

Introduction Setting up configure prometheus alerting rules on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Prometheus Alerting Rules on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to […]

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Alpine Linux edge — stb — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — stb — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0_git20231012-r0 📖 ~4 min read  •  Source: Alpine secdb entry — stb 0_git20231012-r0 Related CVEs: CVE-2023-43898 CVE-2023-45661 CVE-2023-45662 CVE-2023-45663 CVE-2023-45664 CVE-2023-45666 CVE-2023-45667 CVE-2023-45675 Upstream summary: Alpine community repository for vedge ships stb 0_git20231012-r0 which addresses CVE-2023-43898. […]

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