Firewall

How to Install Redis 7 on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Redis 7 on Debian 13

Introduction Deploying install redis 7 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 You will need a registered Debian […]

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Common Problems 123978

Oracle Linux 10 – systemd service stuck in activating state after boot – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 28 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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How to Back Up PostgreSQL with pg_dump on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Back Up PostgreSQL with pg_dump on Debian 13

Introduction This guide explains how to Back Up PostgreSQL with pg_dump 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 […]

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Common Problems 114033

RHEL 10 – dnf history rollback fails after interrupted transaction – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 28 October 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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How to Configure Filesystem Quotas on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure Filesystem Quotas on Debian 13

Introduction How to Configure Filesystem Quotas on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. This […]

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How to Inspect Container Images with Skopeo on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Inspect Container Images with Skopeo on Debian 13

Introduction Deploying inspect container images with skopeo 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 […]

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Common Problems 127108

CentOS Stream 10 – Common Problem 165 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 26 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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Common Problems 124084

Oracle Linux 10 – Podman container cannot bind low port under SELinux enforcing – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 26 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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How to Use Amanda for Enterprise Backup on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Use Amanda for Enterprise Backup on Oracle Linux 10

Introduction How to Use Amanda for Enterprise Backup on Oracle Linux 10 on Oracle Linux 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting […]

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Common Problems 119632

Debian 13 – fail2ban Not Banning on nftables Backend – Action Configuration Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 26 October 2025 Affected versions: Debian 13 (Trixie) 📖 ~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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