chris

Debian 10 — imagemagick — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — imagemagick — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 December 2019 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-7175 CVE-2019-13300 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How to Manage Disk Encryption with LUKS and cryptsetup on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Manage Disk Encryption with LUKS and cryptsetup on RHEL 7

How to Manage Disk Encryption with LUKS and cryptsetup on RHEL 7 Protecting sensitive data at rest is a fundamental security requirement for any enterprise system. Linux Unified Key Setup (LUKS) is the standard disk encryption specification on Linux, and cryptsetup is the command-line tool used to create and manage LUKS-encrypted volumes on RHEL 7. […]

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Common Problems 119048

Ubuntu 14.04 LTS High CPU by kswapd0 and Severe Memory Thrashing

🟡 Medium   ⏱ 5–30 min  Last verified: 12 December 2019 📖 ~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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Common Problems 118575

Apache VirtualHost Misconfiguration on Ubuntu 16.04

🟡 Medium   ⏱ 5–30 min  Last verified: 12 December 2019 📖 ~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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Common Problems 117975

Ubuntu 18.04 LTS – cloud-init keeps overwriting network config

🟡 Medium   ⏱ 5–30 min  Last verified: 12 December 2019 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]

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Common Problems 113069

Windows Server 2016 – Storage Replica asynchronous RPO spikes during backup windows – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 12 December 2019 Affected versions: Windows Server 2016 📖 ~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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FreeBSD 12 — rubygem18-activemodel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem18-activemodel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Ruby Activemodel Gem — Circumvention of attr_protected Related CVEs: CVE-2013-0276 Upstream summary: Aaron Patterson reports: The attr_protected method allows developers to specify a blacklist of model attributes which users should […]

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