Linux

Arch Linux — sqlite — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — sqlite — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202006-11 Related CVEs: CVE-2020-13871 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 3.32.2-1. Fixed in: 3.32.3-1. Group: AVG-1182. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 121489

Debian 9 NO_PUBKEY Signature Verification Failure

🟠 High   ⏱ 5–30 min  Last verified: 24 August 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 117570

Ubuntu 20.04 LTS Service Fails to Start with Dependency Error

🟡 Medium   ⏱ 5–30 min  Last verified: 24 August 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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Arch Linux — python-cryptography — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — python-cryptography — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202102-36 Related CVEs: CVE-2020-36242 Upstream summary: Type: incorrect calculation. Status: Fixed. Affected: 3.3.1-1. Fixed in: 3.4-1. Group: AVG-1541. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Initial Server Setup with Debian 10 — step-by-step Linux tutorial on Progressive Robot

Initial Server Setup with Debian 10

When you first create a new Debian 10 server, there are a few configuration steps that you should take early on as part of the basic setup. This will increase the security and usability of your server and will give you a solid foundation for subsequent actions. In this…

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