Apple provides HTTP Live Streaming Tools to help you set up an HTTP Live Streaming service. HTTP Live Streaming Tools update frequently; you can download the current versions from the Apple Developer website. To access them, sign in with the Apple ID associated with your developer account. You can download it at https://developer.apple.com/documentation/http_live_streaming/about_apple_s_http_live_streaming_tools
To use Apple MediaStreamValidator, you can simply run as
$ mediastreamvalidator http://your_hls_url/sample.m3u8