Debian 11

pr cp 120659 r2

Debian 11 Swap Not Activating at Boot

🟑 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 11 πŸ“– ~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 120649 r2

Debian 11 OpenSSL Version Mismatch Breaks App Startup

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 11 πŸ“– ~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 120639 r2

Debian 11 IPv6 Misconfiguration Causes Dual-Stack Outages

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 11 πŸ“– ~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 120629 r2

Debian 11 Cron Jobs Stop Running After Timezone Change

🟑 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 11 πŸ“– ~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 120619 r2

Debian 11 Kernel Module Fails to Load at Boot

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 11 πŸ“– ~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 120609 r2

Debian 11 DHCP Lease Not Renewing on Servers

🟑 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 11 πŸ“– ~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 120599 r2

Debian 11 RAID Array Degraded Without Alerting

πŸ”΄ Critical   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 11 πŸ“– ~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 120589 r2

Debian 11 Sudo Stops Working for Admin Group

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 11 πŸ“– ~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 120579 r2

Debian 11 ext4 Filesystem Mounts Read-Only After Errors

πŸ”΄ Critical   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 11 πŸ“– ~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 120569 r2

Debian 11 Firewall Rules Lost After Reboot

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 11 πŸ“– ~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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