Introduction How to Set Up Galera Cluster for MariaDB on Oracle Linux 8 on Oracle Linux 8 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.3.1-r0 📖 ~4 min read • Source: Alpine secdb entry — gnome-autoar 0.3.1-r0 Related CVEs: CVE-2021-28650 CVE-2020-36241 Upstream summary: Alpine community repository for vedge ships gnome-autoar 0.3.1-r0 which addresses CVE-2021-28650. Table of contents Symptom & Impact […]
🟡 Medium ⏱ 10–30 min Last verified: 1 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-1894 Related CVEs: CVE-2022-21658 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟡 Medium ⏱ 5–30 min Last verified: 1 April 2021 📖 ~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 […]
Introduction This tutorial covers How to Manage Systemd Services 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202107-35 Related CVEs: CVE-2021-33896 Upstream summary: Type: directory traversal. Status: Fixed. Affected: 0.2.0-3. Fixed in: 0.2.1-1. Group: AVG-2043. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]
Introduction This tutorial demonstrates how to Configure Oracle Linux 8 in Azure on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the default AppStream […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202112-12 Related CVEs: CVE-2021-41090 Upstream summary: Type: information disclosure. Status: Fixed. Affected: 0.21.0-1. Fixed in: 0.21.2-1. Group: AVG-2614. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]
🟢 Low ⏱ 5–15 min Last verified: 1 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-1924 Related CVEs: CVE-2021-20201 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟠 High ⏱ 30–90 min Last verified: 1 April 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read • Source: NVD CVE-2021-29702, IBM Support Bulletin CVE: CVE-2021-29702 NVD summary: Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1.4 and 11.5.5 is vulnerable to a denial of service as the server terminates […]
