Debian

Debian 10 — ruby-rack-cors — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — ruby-rack-cors — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 September 2019 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-18978 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 121673

Debian 9: certbot renewal fails because web server port is occupied

🟠 High   ⏱ 5–30 min  Last verified: 18 September 2019 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 121663

Debian 9: rsync over SSH fails after host key rotation

🟡 Medium   ⏱ 5–30 min  Last verified: 18 September 2019 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 121621

Debian 9 – unattended-upgrades Leaves Pending Reboot Drift – Controlled Patch Flow

🟡 Medium   ⏱ 5–30 min  Last verified: 15 September 2019 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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Debian 10 — h2o — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — h2o — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 September 2019 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-9512 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 121644

Debian 9 – software RAID array stays degraded and rebuild does not start

🔴 Critical   ⏱ 5–30 min  Last verified: 10 September 2019 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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How To Use RVM to Manage Ruby Installations and Environments on a VPS — step-by-step Linux tutorial on Progressive Robot

How To Use RVM to Manage Ruby Installations and Environments on a VPS

RVM, the Ruby Version Manager, is an excellent tool for configuring and installing independent Ruby environments on a single machine. You can use this utility to compartmentalize Ruby installations and their associated software in order to develop in a clean environment. This guide will cover the basic usage of RVM on a Linux VPS.

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Common Problems 121709

Debian 9 Logrotate Not Rotating Application Logs

🟡 Medium   ⏱ 5–30 min  Last verified: 5 September 2019 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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Debian 9 — libpng1.6 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — libpng1.6 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 September 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-7317 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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