DNS

Rocky Linux 8 — bind-dyndb-ldap — multiple vulnerabilities (3 CVEs) — patch and remediation guide

• June 20, 2025
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2025:17129 Related CVEs: CVE-2025-7493 CVE-2025-59088 CVE-2025-59089 Upstream summary: Rocky Enterprise Software Foundation Identity Management (IdM) is a centralized authentication, identity management, and authorization solution for both traditional and cloud-based enterprise […]

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How to Set Up SQL Server Always On Availability Groups on Windows Server 2025

• June 20, 2025
• Tutorials
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How to Set Up SQL Server Always On Availability Groups on Windows Server 2025 Always On Availability Groups (AG) is SQL Server’s premier high-availability and disaster recovery solution, enabling automatic failover with near-zero data loss and readable secondary replicas that offload reporting workloads from the primary. On Windows Server 2025, the underpinning technology — Windows […]

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CentOS Stream 10 – Common Problem 194 – Diagnosis and Fix

• June 20, 2025
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 20 June 2025 Affected versions: CentOS Stream 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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How to Install Flux CD on RHEL 10

• June 19, 2025
• Linux
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Introduction This tutorial demonstrates how to Install Flux CD on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories enabled. […]

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CentOS Stream 10 – Common Problem 196 – Diagnosis and Fix

• June 19, 2025
• Linux
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🟢 Low   ⏱ 5–30 min  Last verified: 19 June 2025 Affected versions: CentOS Stream 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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RHEL 10 – swap not activating after reboot causing memory pressure – Fix & Prevention

• June 18, 2025
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 18 June 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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CentOS Stream 10 – Common Problem 229 – Diagnosis and Fix

• June 17, 2025
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 17 June 2025 Affected versions: CentOS Stream 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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Ubuntu 22.04 unattended-upgrades causes package contention

• June 17, 2025
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 17 June 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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Failed to Start gdm3 on Ubuntu 24.04 LTS

• June 17, 2025
• Tutorials
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🟠 High   ⏱ 5–30 min  Last verified: 17 June 2025 Affected versions: 24.04 📖 ~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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Ubuntu 24.04 LTS Chromium Screen Sharing Fails on Wayland

• June 17, 2025
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 17 June 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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