Linux

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

Oracle Linux 8 — aspell — vulnerability — patch and remediation guide (ELSA-2022-1808)

🟡 Medium   ⏱ 10–30 min  Last verified: 3 March 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1808 Related CVEs: CVE-2019-25051 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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Arch Linux — libvncserver — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libvncserver — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201701-20 Related CVEs: CVE-2016-9942 CVE-2016-9941 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 0.9.10-4. Fixed in: 0.9.11-1. Group: AVG-124. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 10 — faad2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — faad2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 March 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-20196 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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Common Problems 121679

Debian 9 TLS Handshake Failures to Repository or API Endpoints

🟠 High   ⏱ 5–30 min  Last verified: 2 March 2020 Affected versions: Debian 9 📖 ~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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Common Problems 115013

RHEL 8 auditd backlog overflow drops security events

🟡 Medium   ⏱ 5–30 min  Last verified: 2 March 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 […]

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Initial Setup of a Fedora 22 Server — step-by-step Linux tutorial on Progressive Robot

Initial Setup of a Fedora 22 Server

When you first log into a fresh Fedora 22 server, it’s not ready for use as a production system. There are a number of recommended steps to take in order to customize and secure it, e.g. enabling a firewall. This tutorial will show you how to give a fresh installation of a Fedora 22 server a better security profile and be ready for use.

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How to Set Up CouchDB on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up CouchDB on Debian 10

Introduction How to Set Up CouchDB on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. This […]

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