Cilium is an open-source publisher focused on cloud-native networking, security, and observability; its slim portfolio is built around eBPF-powered tooling that turns the Linux kernel itself into a high-performance datapath for Kubernetes and other container environments. Cilium CLI provides the command-line spine for deploying, upgrading, and troubleshooting the Cilium CNI: operators use it to bootstrap clusters, validate connectivity, enforce network policies, and capture endpoint-level diagnostics without leaving the terminal. Complementing this, Hubble CLI surfaces the same eBPF stream as real-time service maps, flow logs, and policy verdicts, letting SREs trace requests across microservices, audit dropped packets, and export Prometheus-compatible metrics for long-term trending. Together the utilities cover the full lifecycle of container networking: initial setup, runtime visibility, security forensics, and performance tuning. Typical use cases include replacing kube-proxy with a faster in-kernel load balancer, segmenting multi-tenant namespaces with DNS-aware firewall rules, and correlating HTTP 5xx spikes with dropped SYN packets during incident response. Because both tools are statically linked Go binaries, they install in seconds on Windows workstations that manage remote Linux clusters through WSL or SSH jump hosts. All Cilium packages are offered free of charge on get.nero.com, served from rigorously scanned Windows package sources such as winget, always delivering the newest upstream release and supporting unattended batch installation of multiple applications.