DNS

Common Problems 114091

RHEL 10 – nmcli DNS settings not applied due to resolver override conflicts – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 13 December 2025 Affected versions: RHEL 10 📖 ~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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Common Problems 114050

RHEL 10 – nmstate apply fails because route metric values are invalid – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 12 December 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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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Common Problems 113992

DNF modular dependency conflict during package install

🟡 Medium   ⏱ 5–30 min  Last verified: 12 December 2025 Affected versions: RHEL 10.0 📖 ~1 min read Table of contents Problem Summary Symptoms Diagnostics Root Cause Primary Fix Verification Prevention Rollback Automation Command Reference Escalation Related Notes Problem Summary Package install fails due to conflicting module streams. Symptoms dnf reports modular filtering and […]

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Common Problems 114001

RHEL 10 – NFS mount permission denied due to SELinux context mismatch – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 11 December 2025 Affected versions: RHEL 10 📖 ~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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Common Problems 124024

Oracle Linux 10 Chronyd Not Synchronizing Time

🟠 High   ⏱ 5–30 min  Last verified: 11 December 2025 Affected versions: Oracle Linux 10 📖 ~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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Common Problems 114615

sudo Access Broken by Invalid sudoers Changes on RHEL 9

🟡 Medium   ⏱ 5–30 min  Last verified: 11 December 2025 📖 ~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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Common Problems 113934

RHEL 10 – Kernel Upgrade Leads to Boot Failure in Dracut Stage – Recovery Guide

🔴 Critical   ⏱ 5–30 min  Last verified: 10 December 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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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Common Problems 114549

Time Drift In Virtual Machines Affecting Kerberos And TLS

🟡 Medium   ⏱ 5–30 min  Last verified: 8 December 2025 📖 ~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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Common Problems 114121

RHEL 10 – SSH public key authentication denied from mislabeled user home directories – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 December 2025 Affected versions: RHEL 10 📖 ~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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Common Problems 113899

RHEL 10 – dnf install fails with modular dependency conflict – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 December 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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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