April 2026 in lsst-control focused on removing outdated UPS device configuration to reduce drift and streamline management. Delivered a targeted cleanup by removing ups194 from the Foreman configuration, aligning the infrastructure with current device inventory and reducing maintenance overhead. The change is tracked in a traceable commit and supports safer future updates to the Foreman-managed stack.

2025-10 monthly summary for lsst-control: Delivered the PerfSONAR Network Configuration Upgrade for AlmaLinux 9. Upgraded PerfSONAR node network configuration with AlmaLinux 9, added new interface configurations, and removed outdated settings to improve compatibility and performance. The change reduces OS-end-of-life risk and aligns with the modernization roadmap. Validation showed no downtime and is ready for future OS refresh cycles.

September 2025 — Summary: Delivered PerfSONAR Node Routing Improvements in lsst-control to boost network performance and reliability for distributed experiments. Key commit: fe67670732bec4609f95a27c3f97a0fd93121f36 (node/perfsonar.cp) update perfsonar routes. No major bugs fixed this month; stability improved via targeted routing updates. Business value: more reliable data transfers, reduced troubleshooting time, and faster experiment throughput. Technologies/skills demonstrated: PerfSONAR routing, network configuration, Git change management, and cross-team collaboration.

August 2025 monthly summary for lsst-control: Key IT infrastructure work focused on expanding DHCP pool for IT-Dev to support larger test deployments with minimal risk. Delivered a pool expansion from .149 to .179 in foreman.dev.lsst.org and updated the related test/spec, improving capacity and test coverage. No major bugs fixed this month. Overall impact: enhanced IT-Dev environment reliability and scalability, enabling more concurrent experiments and faster iteration cycles. Technologies demonstrated: DHCP/pool management, Foreman-based infrastructure changes, test-driven updates and commit traceability.

Month 2025-07: Focused on expanding observability for firewall and network infrastructure within the Kubernetes cookbook repo. Delivered PfSense Metrics Export Module, a new feature that exports pfSense firewall and interface metrics. This includes necessary MIB files and updates the SNMP generator to include pfSense-specific OIDs, enabling collection and monitoring of pfSense statistics. The work was committed as 241df4e96cbdbcec17b73ad14b55540bf12da675 with message '(rke2/ayekan) add pfsense exporter module and mibs'. Business value: improved network visibility, proactive alerting, and easier capacity planning for pfSense-based deployments. Technical skills demonstrated: SNMP, MIB design, module development, and version control.

March 2025: Delivered the PerfSONAR toolkit upgrade and AlmaLinux 9 test compatibility for the lsst-control repository. Upgraded the toolkit to version 5.1.4, updated the PScheduler agent remote URL, and extended the test suite OS compatibility to AlmaLinux 9 to ensure use of the latest perfSONAR, improved interoperability, and future-proofing for the CI pipeline.