A command-line utility to send files to Graylog. Usage:
gelfcat [options] [file1 file2 ...]
-connection="wan": The Graylog connection type.
-facility="gelfcat": The name of the facility sending the message
-format: [gonx format](https://github.com/satyrius/gonx#format) or "json"
-host="localhost": The name of the host sending the message
-max-chunk-lan=8154: The maximum chunk size for LAN connections.
-max-chunk-wan=1420: The maximum chunk size for WAN connections.
-port=12201: The Graylog server port.
-server="localhost": The Graylog server name.
If no files are specified, input is read from stdin.