LibreELEC:~ # uname -a
Linux LibreELEC 3.14.29 #1 SMP Tue May 2 09:45:54 CEST 2017 aarch64 GNU/Linux
LibreELEC:~ # moonlight
Moonlight Embedded 2.2.2 (SDL;EMBEDDED;PULSE;CEC;AML)
Usage: moonlight [action] (options) [host]
       moonlight [configfile]

 Actions

        map                     Create mapping file for gamepad
        pair                    Pair device with computer
        unpair                  Unpair device with computer
        stream                  Stream computer to device
        list                    List available games and applications
        quit                    Quit the application or game being streamed
        help                    Show this help

 Global Options

        -config <config>        Load configuration file
        -save <config>          Save configuration file

 Streaming options

        -720                    Use 1280x720 resolution [default]
        -1080                   Use 1920x1080 resolution
        -width <width>          Horizontal resolution (default 1280)
        -height <height>        Vertical resolution (default 720)
        -30fps                  Use 30fps
        -60fps                  Use 60fps [default]
        -bitrate <bitrate>      Specify the bitrate in Kbps
        -packetsize <size>      Specify the maximum packetsize in bytes
        -forcehevc              Use high efficiency video decoding (HEVC)
        -remote                 Enable remote optimizations
        -app <app>              Name of app to stream
        -nosops                 Don't allow GFE to modify game settings
        -localaudio             Play audio locally
        -surround               Stream 5.1 surround sound (requires GFE 2.7)
        -keydir <directory>     Load encryption keys from directory

 Video options (SDL Only)

        -windowed               Display screen in a window

 I/O options

        -mapping <file>         Use <file> as gamepad mapping configuration file (use before -input)
        -input <device>         Use <device> as input. Can be used multiple times
        -audio <device>         Use <device> as audio output device
        -forcehw                Try to use video hardware acceleration

Use Ctrl+Alt+Shift+Q to exit streaming session

LibreELEC:~ # moonlight pair 192.168.1.179
Moonlight Embedded 2.2.2 (SDL;EMBEDDED;PULSE;CEC;AML)
Connect to 192.168.1.179...
NVIDIA GeForce GTX 1060 6GB, GFE 3.5.0.76 (protocol version 7)
Please enter the following PIN on the target PC: 9826
Failed to pair to server: Already paired
LibreELEC:~ # moonlight list
Moonlight Embedded 2.2.2 (SDL;EMBEDDED;PULSE;CEC;AML)
Searching for server...
Connect to 192.168.1.179...
NVIDIA GeForce GTX 1060 6GB, GFE 3.5.0.76 (protocol version 7)
1. Alice: Madness Returns
2. Fallout: New Vegas
3. Overwatch
4. Steam
5. Darksiders II
6. Paladins®
LibreELEC:~ # moonlight stream
Moonlight Embedded 2.2.2 (SDL;EMBEDDED;PULSE;CEC;AML)
Searching for server...
Connect to 192.168.1.179...
NVIDIA GeForce GTX 1060 6GB, GFE 3.5.0.76 (protocol version 7)
Could not initialize SDL - SDL not built with video support