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pr cp 119647 r2

Debian 13 – user login fails because home directory ownership changed – Fix & Prevention

🟠 High   ā± 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 13 šŸ“– ~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 117621 r2

Ubuntu 20.04 LTS – Certbot renewal fails because port 80 is in use – Fix & Prevention

🟔 Medium   ā± 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 20.04 LTS šŸ“– ~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 116624 r2

Ubuntu 24.04 LTS – Time synchronization unstable due to timesyncd and chrony conflict – Fix & Prevention

🟔 Medium   ā± 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 24.04 LTS šŸ“– ~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 128696 r2

IBM AIX 7.2 – Common Problem 098 – Diagnosis and Fix

🟔 Medium   ā± 5–30 min  Last verified: 20 May 2026 Affected versions: IBM AIX 7.2 šŸ“– ~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 128188 r2

IBM AIX 7.3 – Common Problem 98 – Diagnosis and Fix

🟔 Medium   ā± 5–30 min  Last verified: 20 May 2026 Affected versions: IBM AIX 7.3 šŸ“– ~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 114110 r2

RHEL 10 – sshd login is delayed by reverse DNS lookups and firewalld zone mismatch – Fix & Prevention

🟔 Medium   ā± 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 10.0 RHEL 10.1 šŸ“– ~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 […]

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pr cp 118611 r2

Ubuntu 16.04 LTS – severe time drift causes TLS and token failures – Fix & Prevention

🟠 High   ā± 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 16.04 LTS šŸ“– ~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 121686 r2

Debian 9 – Common Problem 098 – Fix & Prevention

🟔 Medium   ā± 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 9 šŸ“– ~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 121189 r2

Debian 10 – Common Problem 098 – Fix & Prevention

🟔 Medium   ā± 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 10 šŸ“– ~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 124162 r2

Oracle Linux 10 – sshd login is delayed by reverse DNS lookups and firewalld zone mismatch – Fix & Prevention

🟔 Medium   ā± 5–30 min  Last verified: 20 May 2026 Affected versions: Oracle Linux 10 šŸ“– ~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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