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Jan Orel

PROFILE

Jan Orel

Jorel worked on the OpenNebula/one-apps and related repositories, engineering cross-distribution image provisioning and modernizing build automation for cloud and virtualization environments. He centralized Packer configurations to streamline ARM64 and x86_64 image builds across distributions like AlmaLinux, Debian, Ubuntu, and Fedora, reducing duplication and maintenance overhead. Jorel enhanced reliability by refactoring SELinux relabeling, stabilizing SSH provisioning, and introducing file-based checksum verification for image integrity. He expanded OS support to new releases, improved FreeBSD and Alpine image handling, and maintained clear, up-to-date documentation in Markdown and RST. His work demonstrated depth in Bash scripting, Infrastructure as Code, and system packaging.

Overall Statistics

Feature vs Bugs

70%Features

Repository Contributions

43Total
Bugs
6
Commits
43
Features
14
Lines of code
3,456
Activity Months7

Work History

October 2025

11 Commits • 5 Features

Oct 1, 2025

October 2025 monthly summary focused on delivering measurable business value through documentation quality, platform compatibility, and build/packaging reliability across OpenNebula repositories.

September 2025

3 Commits • 2 Features

Sep 1, 2025

Month: 2025-09 – Delivered build and distro-compat enhancements across OpenNebula/website and OpenNebula/one-apps, focusing on build reliability, clear dependency management, and broader platform support. This included adding a new compile parameter for xmlrpc-c, refreshing build docs, and expanding support for AlmaLinux 10, RHEL 10, and Debian 13 with updated configs, scripts, and references. These changes improve customer deployment options, reduce setup friction, and strengthen packaging and release engineering.

May 2025

2 Commits • 1 Features

May 1, 2025

May 2025 monthly summary for OpenNebula/one-apps: Delivered tangible improvements to image building and OS support, strengthening automation reliability and product value. Key outcomes include expanding OS distribution support to Fedora 42 by updating build configurations and refreshing distro images, and hardening Packer provisioning across Linux distros by resolving SSH reconnection race conditions, refactoring SELinux relabeling to occur after reboot, and removing insights-client from RHEL builds to reduce failures. These changes reduce image build errors, enable customers to deploy newer OS versions securely, and improve overall maintainability of the image pipeline.

April 2025

3 Commits • 1 Features

Apr 1, 2025

April 2025 monthly summary: Focused on strengthening upgrade reliability and image integrity across OpenNebula docs and apps. Key work included (1) updating Ceph compatibility and upgrade guidance in OpenNebula/docs with support for Squid v19.2.x and Reef v18.2.x, and introducing the --patch-strict flag to make upgrades safer; commits 2a02b03af3b1f22ad7a901637ac955d118f66d25 and 10c030f2193ede305bcc60c6a9862588c08cd2d4. (2) fixing OpenSUSE Leap 15.6 VM image checksum verification in OpenNebula/one-apps using file-based SHA256 verification to ensure downloaded ISO integrity; commit 4f011fddd85ae4e891613632171b2da5ec7f5f4f. These changes collectively reduce upgrade risk, improve deployment reliability, and provide clearer guidance for operators.

February 2025

2 Commits • 1 Features

Feb 1, 2025

February 2025 focused on consolidating OpenNebula/docs platform support documentation, with emphasis on ARM64 KVM deployment guidance and beta release notes, while cleaning up outdated material to improve accuracy and maintainability. The effort reduces support overhead by clarifying supported configurations and deployment paths for platform users.

January 2025

19 Commits • 3 Features

Jan 1, 2025

January 2025 monthly summary for OpenNebula/one-apps: Focused on expanding cross-distro image support, stabilizing boot and cloud-init flows, and modernizing the build system. Delivered ARM64 (AArch64) image builds across Alpine, VRouter, OneKE, Rocky Linux, Fedora and OpenSUSE with architecture-aware packer/QEMU flows and EFI bootloader handling; restored and extended Ubuntu 20.04 configurations including a minimal image and alignment with Ubuntu minimal install flows; stabilized Alpine boot/console behavior and cleaned cloud-init leftovers; improved FreeBSD installer/boot/config and cloud-init ownership handling; modernized the build system with updated base OS versions, broader Windows target support, and packaging cleanup including udev relocation and removal of deprecated tools. These changes reduce provisioning risk, broaden target hardware, and improve maintenance and deployment speed across cloud and on-prem environments.

December 2024

3 Commits • 1 Features

Dec 1, 2024

Month: 2024-12 — OpenNebula/one-apps. Focused on enabling cross-distribution ARM/aarch64 image provisioning with centralized Packer configuration, delivering scalable base images across AlmaLinux, Debian, and Ubuntu while reducing maintenance via shared configuration. Major bugs fixed: none reported this month.

Activity

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Quality Metrics

Correctness90.4%
Maintainability91.6%
Architecture86.6%
Performance85.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashHCLMakefileMarkdownRSTRubyShellrst

Technical Skills

Build AutomationBuild EngineeringBuild SystemBuild System ConfigurationBuild System ManagementBuild SystemsCloud Image ManagementCloud Native TechnologiesCloud-initConfiguration ManagementDevOpsDocumentationDocumentation ManagementFreeBSDInfrastructure as Code

Repositories Contributed To

3 repos

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

OpenNebula/one-apps

Dec 2024 Oct 2025
6 Months active

Languages Used

HCLShellMakefileRubyBash

Technical Skills

Build AutomationConfiguration ManagementDevOpsInfrastructure as CodeLinux System AdministrationPacker

OpenNebula/website

Sep 2025 Oct 2025
2 Months active

Languages Used

Markdown

Technical Skills

DocumentationDocumentation Management

OpenNebula/docs

Feb 2025 Apr 2025
2 Months active

Languages Used

RSTrst

Technical Skills

DocumentationDocumentation ManagementTechnical Writing

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