DNS

Common Problems 116415

Ubuntu 24.04 LTS – DNS resolution fails with systemd-resolved – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 2 July 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 […]

Read more
Common Problems 111233

Windows Server 2025 — Disk witness going offline due to storage path failure on Server 2025 — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 2 July 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 […]

Read more
Common Problems 111160

Windows Server 2025 — Windows Server 2025 update fails due to full Windows Update cache directory — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 2 July 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 […]

Read more
Common Problems 113894

RHEL 10 – DNF Metadata Cache Corruption Causes Update Failures – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 2 July 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 […]

Read more
How to Install MariaDB on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Install MariaDB on Windows Server 2025

How to Install MariaDB on Windows Server 2025 MariaDB is a community-developed, open-source relational database management system that began as a drop-in replacement for MySQL following Oracle’s acquisition of Sun Microsystems. Today, MariaDB has diverged significantly from MySQL, introducing its own storage engines (Aria, ColumnStore, Spider), superior JSON handling, better query optimiser statistics, and a […]

Read more
How to Secure MySQL on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Secure MySQL on CentOS Stream 10

Introduction Setting up secure mysql on centos stream 10 on a CentOS Stream 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Secure MySQL on CentOS Stream 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

Read more
NetBSD 10.0 — bind-8.[0-9]* — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — bind — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2008-1447 Upstream summary: pkgsrc audit-packages flagged bind for vulnerability class 'cache-poisoning'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1447 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

Read more
Common Problems 114116

RHEL 10 rsyslog Forwarding Stops After TLS Certificate Rotation

🟠 High   ⏱ 5–30 min  Last verified: 1 July 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 […]

Read more
How to Use Docker Compose on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Use Docker Compose on Windows Server 2025

How to Use Docker Compose on Windows Server 2025 Docker Compose transforms the management of multi-container applications from a series of individual docker run commands into a single declarative YAML file. On Windows Server 2025, Compose supports Windows containers natively, enabling you to describe a full application stack — web frontend, application server, and SQL […]

Read more
AlmaLinux 8 — bind-dyndb-ldap — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — bind-dyndb-ldap — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:21140 Related CVEs: CVE-2025-59088 CVE-2025-59089 CVE-2025-7493 CVE-2025-4404 CVE-2024-2698 CVE-2024-3183 CVE-2021-3480 CVE-2020-17049  +3 more Upstream summary: AlmaLinux Identity Management (IdM) is a centralized authentication, identity management, and authorization solution for both traditional and […]

Read more
CHAT