$ gotty -p 9191 sh -c 'while true; do date; sleep 1; done'
2015/08/24 18:54:31 Server is starting with command: sh -c while true; do date; sleep 1; done
2015/08/24 18:54:31 URL: http://[::1]:9191/
2015/08/24 18:54:34 GET /ws
2015/08/24 18:54:34 New client connected: 127.0.0.1:61811
2015/08/24 18:54:34 Command is running for client 127.0.0.1:61811 with PID 64834
2015/08/24 18:54:39 Command exited for: 127.0.0.1:61811
2015/08/24 18:54:39 Connection closed: 127.0.0.1:61811
...

$ gotty-client http://localhost:9191/
INFO[0000] New title: GoTTY - sh -c while true; do date; sleep 1; done (jean-michel-van-damme.local)
WARN[0000] Unhandled protocol message: json pref: 2{}
Mon Aug 24 18:54:34 CEST 2015
Mon Aug 24 18:54:35 CEST 2015
Mon Aug 24 18:54:36 CEST 2015
Mon Aug 24 18:54:37 CEST 2015
Mon Aug 24 18:54:38 CEST 2015
^C

$ gotty-client -h
NAME:
   gotty-client - GoTTY client for your terminal

USAGE:
   gotty-client [global options] command [command options] GOTTY_URL

AUTHOR:
   Manfred Touron <https://github.com/moul/gotty-client>

COMMANDS:
     help, h  Shows a list of commands or help for one command

GLOBAL OPTIONS:
   --debug, -D                  Enable debug mode [$GOTTY_CLIENT_DEBUG]
   --skip-tls-verify            Skip TLS verify [$SKIP_TLS_VERIFY]
   --use-proxy-from-env         Use Proxy from environment [$USE_PROXY_FROM_ENV]
   --detach-keys value          Key sequence for detaching gotty-client (default: "ctrl-p,ctrl-q")
   --v2                         For Gotty 2.0 [$GOTTY_CLIENT_GOTTY2]
   --ws-origin value, -w value  WebSocket Origin URL [$GOTTY_CLIENT_WS_ORIGIN]
   --help, -h                   show help
   --version, -v                print the version

$ brew install https://raw.githubusercontent.com/moul/gotty-client/master/contrib/homebrew/gotty-client.rb --HEAD

$ brew install https://raw.githubusercontent.com/moul/gotty-client/master/contrib/homebrew/gotty-client.rb