nPerf Alternatives for Linux
nPerf is not available for Linux but there are a few alternatives that runs on Linux with similar functionality. The most popular Linux alternative is 
LibreSpeed, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to nPerf and three of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to nPerf are speedtest-cli (Free, Open Source) and Speedtest (Go) (Free).
- Self-hosted Speedtest for HTML5. Easy setup, examples, configurable, mobile friendly. Supports PHP, Node, Multiple servers, and more. View 42 alternatives to LibreSpeed
- A command line interface for testing internet bandwidth using Speedtest.net View 30 alternatives to speedtest-cli
- Command line client for Speedtest.net written in Go View 22 alternatives to Speedtest (Go)