DNS

How to Install Ansible on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Install Ansible on Oracle Linux 10

Introduction This tutorial demonstrates how to Install Ansible on Oracle Linux 10 on Oracle Linux 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 Oracle Linux 10 system with the default AppStream […]

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Common Problems 115945

No Audio Output with PipeWire/Pulse Compatibility

🟡 Medium   ⏱ 5–30 min  Last verified: 25 June 2026 📖 ~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 115956

Ubuntu 26.04 LTS – Cloud-init rewrites network settings unexpectedly – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 25 June 2026 Affected versions: Ubuntu 26.04 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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How to Configure MongoDB Authentication on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure MongoDB Authentication on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure mongodb authentication both straightforward and auditable. This tutorial covers the complete procedure for how to Configure MongoDB Authentication on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites You will need: […]

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Common Problems 115923

Wi-Fi Missing After Install on Ubuntu 26.04 LTS

🟠 High   ⏱ 5–30 min  Last verified: 25 June 2026 Affected versions: 26.04 📖 ~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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Common Problems 115936

Ubuntu 26.04 LTS – UFW blocks required inbound service ports – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 25 June 2026 Affected versions: Ubuntu 26.04 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 114085

RHEL 10 – tuned profile change causes unexpected CPU throttling

🟡 Medium   ⏱ 5–30 min  Last verified: 24 June 2026 Affected versions: RHEL 10 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 & […]

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How to Configure HashiCorp Vault on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure HashiCorp Vault on FreeBSD 15

Introduction Deploying configure hashicorp vault on a FreeBSD 15 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + ports approach […]

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openSUSE Tumbleweed — aardvark-dns — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — aardvark-dns — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:7094 (see also SUSE bugzilla) Related CVEs: CVE-2024-8418 CVE-2026-35406 Upstream summary: A flaw was found in Aardvark-dns, which is vulnerable to a Denial of Service attack due to the serial processing of […]

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Common Problems 113911

RHEL 10 – RPM database corruption after interrupted upgrade – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 24 June 2026 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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