Uma introdução comparativa ao FreeBSD para usuários de Linux
Este tutorial é a parte 1 de 7 na série: Getting Started with FreeBSD O FreeBSD é um sistema operacional do tipo Unix, livre e de código aberto, e uma…
How to Set Up a Fast API Application with a NoSQL Database
This tutorial introduces beginners to set up and use Fast API with a NoSQL database on an Ubuntu machine.
Arch Linux — okular — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202003-10 Related CVEs: CVE-2020-9359 Upstream summary: Type: arbitrary command execution. Status: Fixed. Affected: 19.12.3-2. Fixed in: 19.12.3-3. Group: AVG-1113. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
Oracle Linux 8 — lua — vulnerability — patch and remediation guide (ELSA-2021-4510)
🟢 Low ⏱ 5–15 min Last verified: 3 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-4510 Related CVEs: CVE-2020-24370 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Установка Jenkins на Ubuntu 18.04
Jenkins — это сервер автоматизации с открытым исходным кодом, который позволяет автоматизировать выполнение повторяющихся технических задач в области непрерывной интеграции и предоставления программного обеспечения. Jenkins написан на Java и может…
Oracle Linux 8 — keepalived — security and stability fixes — required update (ELSA-2022-1930)
🟡 Medium ⏱ 10–30 min Last verified: 2 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-1930 Related CVEs: CVE-2021-44225 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Debian 10 — e2fsprogs — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 2 October 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-5094 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Ubuntu 14.04 LTS PAM Authentication Failures for Local Users
🟡 Medium ⏱ 5–30 min Last verified: 2 October 2020 📖 ~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 […]
Ubuntu 18.04 LTS DNS resolution fails intermittently with systemd-resolved
🟡 Medium ⏱ 5–30 min Last verified: 2 October 2020 📖 ~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 […]
Oracle Linux 8 — unzip — vulnerability — patch and remediation guide (ELSA-2020-1787)
🟢 Low ⏱ 5–15 min Last verified: 2 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-1787 Related CVEs: CVE-2019-13232 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
