🟡 Medium ⏱ 10–30 min Last verified: 13 October 2025 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2026-15953 Related CVEs: CVE-2025-14087 CVE-2025-14512 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
Introduction Setting up configure persistent journals on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Persistent Journals on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]
Docker networking controls how containers communicate with each other and the outside world. This guide explains Docker’s network types and demonstrates how to create and manage custom networks on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Docker Engine installed A user in the docker group Step 1 […]
🟠 High ⏱ 15–60 min Last verified: 13 October 2025 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2025-1066 Related CVEs: CVE-2025-1013 CVE-2025-1009 CVE-2025-1017 CVE-2025-1016 CVE-2025-1010 CVE-2025-1012 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
🟡 Medium ⏱ 10–30 min Last verified: 13 October 2025 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2025-18281 Related CVEs: CVE-2022-50087 CVE-2025-38566 CVE-2025-38571 CVE-2025-39817 CVE-2025-39849 CVE-2025-39841 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
Symfony 7 is a high-performance PHP framework built for flexibility and scalability. This guide installs the Symfony CLI and creates a new Symfony 7 web application on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server PHP 8.3 installed Composer installed A user with sudo privileges Step 1 – […]
Introduction This guide explains how to Set Up HTTP/2 in Nginx 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 […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2026-3164 Related CVEs: CVE-2025-15270 CVE-2025-15269 CVE-2025-15275 CVE-2025-15279 CVE-2025-50949 CVE-2024-25081 CVE-2024-25082 CVE-2020-5395 Upstream summary: FontForge SFD File Parsing Improper Validation of Array Index Remote Code Execution Vulnerability. This vulnerability allows remote […]
🟡 Medium ⏱ 5–30 min Last verified: 12 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 […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read • Source: Amazon Linux advisory ALAS2023-2024-575 Related CVEs: CVE-2022-31394 CVE-2025-3416 Upstream summary: RUSTSEC-2024-0006 NOTE: https://rustsec.org/advisories/RUSTSEC-2024-0006.html NOTE: https://github.com/comex/rust-shlex/security/advisories/GHSA-r7qv-8r2h-pg27 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]
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