Dhcp

pr cp 115943 r2

Stop cloud-init from Overwriting Network Settings on Ubuntu 26.04 LTS

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 19 May 2026 Affected versions: 26.04 ๐Ÿ“– ~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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pr cp 121511 r2

Debian 9 – Network Interface Rename Breaks Connectivity – Persistent Naming Fix

๐ŸŸ  High   โฑ 5โ€“30 min  Last verified: 19 May 2026 Affected versions: Debian 9 ๐Ÿ“– ~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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pr cp 115933 r2

Fix Netplan Static IP Misconfiguration on Ubuntu 26.04 LTS

๐ŸŸ  High   โฑ 5โ€“30 min  Last verified: 19 May 2026 Affected versions: 26.04 ๐Ÿ“– ~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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pr cp 116910 r2

Ubuntu 22.04 LTS Netplan Apply Breaks Network After YAML Change

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 19 May 2026 ๐Ÿ“– ~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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pr cp 114598 r2

Intermittent DNS Resolution On RHEL 9 Servers

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 20 May 2026 ๐Ÿ“– ~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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pr cp 123654 r2

FreeBSD 12 – resolv.conf gets overwritten by dhclient and breaks internal DNS

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 20 May 2026 Affected versions: FreeBSD 12 ๐Ÿ“– ~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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pr cp 115077 r2

systemd-resolved Not Used and DNS Queries Intermittently Fail

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 20 May 2026 ๐Ÿ“– ~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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pr cp 123159 r2

FreeBSD 13 – resolv.conf gets overwritten by dhclient and breaks internal DNS

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 20 May 2026 Affected versions: FreeBSD 13 ๐Ÿ“– ~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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pr cp 122658 r2

FreeBSD 14 – resolv.conf gets overwritten by dhclient and breaks internal DNS

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 20 May 2026 Affected versions: FreeBSD 14 ๐Ÿ“– ~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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pr cp 122160 r2

FreeBSD 15 – resolv.conf gets overwritten by dhclient and breaks internal DNS

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 20 May 2026 Affected versions: FreeBSD 15 ๐Ÿ“– ~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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