Systemd Services

How to Install Packer Image Builder on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Packer Image Builder on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install packer image builder on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]

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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 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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FreeBSD 12 — py38-Flask-Cors — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py38-Flask-Cors — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 August 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-Flask-Cors — directory traversal vulnerability Related CVEs: CVE-2020-25032 Upstream summary: praetorian-colby-morgan reports: An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows ../ directory traversal […]

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Oracle Linux 8 — squid:4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — squid:4 — vulnerability — patch and remediation guide (ELSA-2021-1979)

🟠 High   ⏱ 15–60 min  Last verified: 24 August 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1979 Related CVEs: CVE-2020-25097 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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How to Install and Secure phpMyAdmin on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install and Secure phpMyAdmin on Debian 10

Introduction How to Install and Secure phpMyAdmin 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. […]

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Common Problems 119051

Ubuntu 14.04 LTS cron jobs stop running after timezone and DST changes

🟡 Medium   ⏱ 5–30 min  Last verified: 23 August 2020 Affected versions: 14.04 📖 ~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 […]

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How to Install MongoDB on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install MongoDB on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install mongodb on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and the resulting […]

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Amazon Linux 2 — python-httplib2 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — python-httplib2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2ANSIBLE2-2023-007 Related CVEs: CVE-2020-11078 Upstream summary: A flaw was found in python-httplib2. An attacker controlling an unescaped part of uri for `httplib2.Http.request()` could change request headers and body, send additional […]

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