DNS

How to Install OpenTelemetry Collector on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install OpenTelemetry Collector on Debian 13

  • October 7, 2025
  • Linux
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Introduction Deploying install opentelemetry collector on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, ensure you have […]

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How to Enable USBGuard on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Enable USBGuard on Debian 13

  • October 7, 2025
  • Linux
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Introduction This guide explains how to Enable USBGuard on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with the standard repositories […]

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Common Problems 119464

Debian 13 – unattended-upgrades lock prevents manual apt operations

  • October 7, 2025
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 7 October 2025 Affected versions: Debian 13 Debian 13 (Trixie) Debian 13.x 📖 ~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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Common Problems 127053

CentOS Stream 10 – Common Problem 184 – Diagnosis and Fix

  • October 6, 2025
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 6 October 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 GitLab Runner on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install GitLab Runner on RHEL 10

  • October 6, 2025
  • Linux
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Introduction Setting up install gitlab runner on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install GitLab Runner on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]

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

How to Install Skopeo on Oracle Linux 10

Introduction Setting up install skopeo on oracle linux 10 on a Oracle Linux 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Skopeo on Oracle Linux 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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Common Problems 124178

Oracle Linux 10 – PAM faillock locks service accounts after automation retries

  • October 6, 2025
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 6 October 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 124049

Oracle Linux 10 – initramfs generation fails during kernel update transaction – Fix & Prevention

  • October 6, 2025
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 6 October 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 124155

GRUB Password Lockout After Misapplied Security Baseline

🔴 Critical   ⏱ 5–30 min  Last verified: 6 October 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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Debian 13 — gdnsd — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gdnsd — vulnerability — patch and remediation guide

  • October 6, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-13952 Upstream summary: The set_ipv6() function in zscan_rfc1035.rl in gdnsd before 2.4.3 and 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv6 address in […]

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