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Cheru Berhanu

PROFILE

Cheru Berhanu

Cheru worked across hackclub/dns, hackclub/site, and ghostty-org/ghostty, focusing on infrastructure reliability and memory safety. Over three months, Cheru delivered DNS routing corrections and domain migrations, improving service discovery and reducing downtime by updating records and consolidating DNS providers using YAML and JavaScript. On hackclub/site, Cheru fixed SSH port instructions to ensure accurate user access after deployment changes. In ghostty-org/ghostty, Cheru addressed a memory management bug in the terminal execution context, enhancing test reliability and preventing use-after-free errors. The work demonstrated careful change management, cross-team collaboration, and a strong grasp of DNS management, error handling, and testing.

Overall Statistics

Feature vs Bugs

40%Features

Repository Contributions

10Total
Bugs
3
Commits
10
Features
2
Lines of code
8
Activity Months3

Your Network

501 people

Work History

September 2025

1 Commits

Sep 1, 2025

September 2025 monthly summary for ghostty-org/ghostty. Focused on reliability and memory-safety improvements in the terminal execution context. Implemented a critical bug fix to address a test that did not fail when accessing freed config members, ensuring proper memory management, cleanup, and error handling. The change enhances terminal stability and reduces risk of use-after-free issues in production.

January 2025

8 Commits • 2 Features

Jan 1, 2025

January 2025 monthly summary focusing on delivering user-facing reliability improvements and infrastructure migrations across two repositories (hackclub/site and hackclub/dns). Key initiatives included correcting SSH connection details for jobs.hackclub.com, migrating DNS hosting to Coolify for the jobs terminal and hack.club domains, and executing a sequence of DNS reconfigurations across providers (Hetzner, Linode) to optimize resilience and routing. The work demonstrates strong collaboration between front-end and infra teams, careful change management, and a focus on stabilizing user access paths amid deployment and configuration changes.

November 2024

1 Commits

Nov 1, 2024

Month 2024-11 focused on DNS routing stabilization and domain alignment for hackclub/dns. No new features released this month; primary focus was correcting DNS routing for hackclub.com cargo-cult and portal domains, and migrating the cargo cult entry to Hack Club DO infrastructure. These changes improve traffic routing reliability and service discovery, reduce misrouting risk, and support ongoing uptime and user experience improvements.

Activity

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Quality Metrics

Correctness98.0%
Maintainability98.0%
Architecture96.0%
Performance98.0%
AI Usage26.0%

Skills & Technologies

Programming Languages

JavaScriptYAMLZig

Technical Skills

DNS ConfigurationDNS ManagementFront End DevelopmentInfrastructure ConfigurationInfrastructure Managementerror handlingmemory managementtesting

Repositories Contributed To

3 repos

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

hackclub/dns

Nov 2024 Jan 2025
2 Months active

Languages Used

YAML

Technical Skills

DNS ManagementDNS ConfigurationInfrastructure ConfigurationInfrastructure Management

hackclub/site

Jan 2025 Jan 2025
1 Month active

Languages Used

JavaScript

Technical Skills

Front End Development

ghostty-org/ghostty

Sep 2025 Sep 2025
1 Month active

Languages Used

Zig

Technical Skills

error handlingmemory managementtesting

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