DNS

Common Problems 111137

Windows Server 2025 — NIC firmware missing microcode update causing packet loss — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 22 January 2025 Affected versions: Windows Server 2025 📖 ~2 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 Manage Docker Images and Containers on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Use Docker Volumes and Bind Mounts on Ubuntu 24.04

Docker volumes and bind mounts allow containers to persist data beyond their lifecycle and share data with the host. This guide covers Docker volumes and bind mounts on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Docker Engine installed A user in the docker group Step 1 – […]

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FreeBSD 14 — powerdns_recursor — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — powerdns_recursor — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 January 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: powerdns-recursor — cache pollution Related CVEs: CVE-2025-59023 CVE-2025-59024 Upstream summary: PowerDNS Team reports: It has been brought to our attention that the Recursor does not apply strict enough validation of […]

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How to Set Up Galera Cluster for MariaDB on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up Galera Cluster for MariaDB on CentOS Stream 10

Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying set up galera cluster for mariadb on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Galera Cluster for MariaDB on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, […]

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How to Enable PowerShell Logging and Script Block Logging on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Enable PowerShell Logging and Script Block Logging on Windows Server 2025

How to Enable PowerShell Logging and Script Block Logging on Windows Server 2025 PowerShell is one of the most powerful administration tools in the Windows Server 2025 ecosystem — and, consequently, one of the most frequently abused vectors in post-exploitation attack chains. Attackers who gain initial access to a server routinely leverage PowerShell to download […]

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Common Problems 126968

CentOS Stream 10 – Common Problem 151 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 14 January 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 Configure Fail2ban on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure Fail2ban on CentOS Stream 10

Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying configure fail2ban on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Fail2ban on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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Common Problems 120146

Debian 12 MariaDB Fails Startup After ib_logfile Size Mismatch

🔴 Critical   ⏱ 5–30 min  Last verified: 14 January 2025 Affected versions: Debian 12 📖 ~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 116457

Ubuntu 24.04 LTS – apt update returns 404 from stale mirrors – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 January 2025 Affected versions: Ubuntu 24.04 LTS 📖 ~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 116434

Ubuntu 24.04 LTS – netplan apply breaks network connectivity – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 14 January 2025 Affected versions: Ubuntu 24.04 LTS 📖 ~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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