How to run wsproxyconfig on Centos 7 / configure websocket proxy on Centos 7 & Apache 2.4

Hi,

I tried to run wsproxyconfig on Centos 7 and it's nothing happen. I execute this sudo sh ./wsproxyconfig.sh and after press enter and going back to prompt.

Do you guys know how to configure websocket proxy on Centos 7 with web server is Apache/2.4.6?

Thank you so much.