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pr cp 121560 r2

Debian 9 – Common problem 235 – Fix & Prevention

๐ŸŸก Medium   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 121052 r2

Debian 10 – Common problem 235 – Fix & Prevention

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 19 May 2026 Affected versions: Debian 10 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 120553 r2

Debian 11 – system clock not synchronized and NTP drift – Fix & Prevention

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 19 May 2026 Affected versions: Debian 11 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 120040 r2

Debian 12 – system clock not synchronized and NTP drift – Fix & Prevention

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 19 May 2026 Affected versions: Debian 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 119513 r2

Debian 13 – system clock not synchronized and NTP drift – Fix & Prevention

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 19 May 2026 Affected versions: Debian 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 119010 r2

Ubuntu 14.04 LTS cron Jobs Stop Running After Permission Drift

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 19 May 2026 Affected versions: 14.04 LTS 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 118469 r2

Ubuntu 16.04 LTS Swap Exhaustion Triggers OOM Kills

๐ŸŸ  High   โฑ 5โ€“30 min  Last verified: 19 May 2026 Affected versions: 16.04 LTS 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 117979 r2

Ubuntu 18.04 LTS Cloud-Init Rewrites Network Settings

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 19 May 2026 Affected versions: 18.04 LTS 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 117481 r2

Ubuntu 20.04 LTS UFW Rules Applied but Traffic Still Blocked

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 19 May 2026 Affected versions: 20.04 LTS 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 116987 r2

Ubuntu 22.04 UFW Rules Break Docker Container Connectivity

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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