Firewall

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

How to Install Composer on Debian 13

Introduction Deploying install composer 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 a […]

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Common Problems 127114

CentOS Stream 10 – Common Problem 190 – Diagnosis and Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 30 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 Configure auditd Logging on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Configure auditd Logging on Oracle Linux 10

Introduction Setting up configure auditd logging 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 Configure auditd Logging on Oracle Linux 10, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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Common Problems 124017

Oracle Linux 10 – dnf install fails with modular dependency conflict

🟠 High   ⏱ 5–30 min  Last verified: 30 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 Sync Time with Chrony on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Sync Time with Chrony on Oracle Linux 10

Introduction Oracle Linux 10 ships with a stable, security-hardened base that makes deploying sync time with chrony on oracle linux 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Sync Time with Chrony on Oracle Linux 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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How to Use rsync over SSH for Backups on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Use rsync over SSH for Backups on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up use rsync over ssh for backups on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the […]

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How to Install Vault by HashiCorp on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Vault by HashiCorp on Debian 13

Introduction Deploying install vault by hashicorp 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 […]

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How to Limit Container Resources with cgroups on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Limit Container Resources with cgroups on Debian 13

Introduction How to Limit Container Resources with cgroups 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 […]

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Common Problems 127211

CentOS Stream 10 – Common Problem 225 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 29 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 Set Up GitLab Runner on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Set Up GitLab Runner on Oracle Linux 10

Introduction How to Set Up GitLab Runner 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 configuration […]

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