Focused, reliable, and purpose‑built utilities for networking, automation, and performance testing.
These are the tools I actively maintain and use in real‑world environments.
A fully automated setup script for Raspberry Pi OS and Debian Trixie that installs Ewald’s tools, utilities, and custom .deb packages while automatically applying useful system settings.
View on GitHub →Eping(a).py is a powerful tool that uses FPing and Python to test the network connectivity of thousands of hosts efficiently and in parallel, with built‑in logging and analysis capabilities.
View on GitHub →A Tmux‑centric framework that supports network measurements by orchestrating iPerf3, Ping, FPing, and other tools in parallel, providing multi‑pane views and logging.
View on GitHub →A UDP traffic‑generating and receiving toolkit featuring precise one‑way delay and loss measurement for validating QoS, latency, loss, and link performance.
View on GitHub →Real-time DSCP traffic analyzer for network interfaces — like top, but for QoS markings.
View on GitHub →A straightforward, dialog‑driven CLI menu for managing network settings, focused on wired connections.
View on GitHub →Checks USB Ethernet adapters and broadcasts a warning to all active terminal sessions if an adapter is running in USB 2.0 mode
View on GitHub →Utilities for Cisco IOS‑XE Guestshell to automate tasks and extend device capabilities.
View on GitHub →A specialized cf‑update version for Cisco IOS‑XE Guestshell environments.
View on GitHub →A Cloudflare DNS updater for dynamic IP environments, ideal for home labs and VPN endpoints.
View on GitHub →
I’m Ewald Jeitler, a systems engineer with over two decades of experience and a Distinguished Senior Systems Engineer at NTS Netzwerk Telekom Service AG. I also hold a CCIE Enterprise Infrastructure certification (#27300)
All tools on this site are personal hobby projects that I build in my spare time. They reflect my curiosity, my passion for clean engineering, and my desire to create practical solutions for the networking and automation community. I hope everyone who uses these tools has fun exploring them and finds them as helpful as I do.