December 2019 - Page 43 of 69

Common Problems 117975

Ubuntu 18.04 LTS – cloud-init keeps overwriting network config

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 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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Alpine Linux edge — gdnsd — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — gdnsd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.4.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — gdnsd 2.4.3-r0 Related CVEs: CVE-2019-13952 Upstream summary: Alpine community repository for vedge ships gdnsd 2.4.3-r0 which addresses CVE-2019-13952. Table of contents Symptom & Impact Environment […]

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How to Configure Nginx as a Reverse Proxy on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Nginx as a Reverse Proxy on RHEL 10

Introduction Setting up configure nginx as a reverse proxy on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Nginx as a Reverse Proxy on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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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: 18 May 2026 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: 25 May 2026 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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How to Set Up Network Access Protection (NAP) on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up Network Access Protection (NAP) on Windows Server 2012 R2

How to Set Up Network Access Protection (NAP) on Windows Server 2012 R2 Network Access Protection (NAP) is a policy enforcement platform included in Windows Server 2012 R2 that evaluates the health state of client computers before granting them full network access. NAP can check whether clients have current OS patches, antivirus definitions, Windows Firewall […]

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