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Matthew Harper

PROFILE

Matthew Harper

Contributed to the UML-Cyber-Security/CCDC_Practice_Infrastructure repository by developing features that improved both security and operational efficiency. Delivered a PAM-based password policy enforcement script, Passwd-Pol, supporting dynamic configuration and cross-distribution compatibility using Bash and Shell scripting. Enhanced project maintainability through comprehensive documentation updates, including network configuration, onboarding guides, and deployment instructions for services like KeyCloak and Wazuh. Established clear contribution guidelines and branch naming conventions to streamline collaboration and repository management. Focused on Linux administration, infrastructure management, and technical writing, these efforts reduced onboarding time, improved reliability, and provided actionable guidance for users and contributors across the project.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

15Total
Bugs
0
Commits
15
Features
4
Lines of code
761
Activity Months2

Work History

January 2025

10 Commits • 2 Features

Jan 1, 2025

January 2025 — Strengthened security posture and improved maintainability for UML-Cyber-Security/CCDC_Practice_Infrastructure. Delivered Passwd-Pol, a PAM-based Linux password policy enforcement script with dynamic configuration, cross-distro support (yum/apt), and updated usage documentation. Conducted comprehensive documentation improvements across modules (KeyCloak/DNS setup, nix installation, Windows services, Wazuh/Graylog deployment). Addressed quality issues with targeted fixes (SED handling, removal of debugging echoes) to stabilize deployments. These efforts reduce risk, accelerate onboarding, and lower support activities by providing clearer operator guidance and reliable automation.

November 2024

5 Commits • 2 Features

Nov 1, 2024

Month: 2024-11 — Monthly work summary focused on delivering clear, actionable documentation and governance improvements in the UML-Cyber-Security/CCDC_Practice_Infrastructure repository to accelerate setup, contribution, and operational reliability.

Activity

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Quality Metrics

Correctness92.0%
Maintainability91.4%
Architecture85.4%
Performance86.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashMarkdownPowerShellShell

Technical Skills

DocumentationGit WorkflowInfrastructure ManagementLinuxLinux AdministrationLinux SecurityNetwork ConfigurationNetworkingRepository ManagementScriptingShell ScriptingSystem AdministrationTechnical Writing

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

UML-Cyber-Security/CCDC_Practice_Infrastructure

Nov 2024 Jan 2025
2 Months active

Languages Used

MarkdownBashPowerShellShell

Technical Skills

DocumentationGit WorkflowInfrastructure ManagementLinux AdministrationNetwork ConfigurationNetworking