in local pc, ruby file is ok , but upload all file to cgi-bin and then is not work in ruby , have many subdir , like app,config, db... is belong one project dir ,but in here i put it all in the CGI-BIN without the project dir .NOW I redirect from \public_html \index.html to cgi-bin/app/views/users/index.html.erb show 500 error code. in the config\local\route file decide the home dir . but now seem not defined................................................................................................ Internal Server ErrorThe server encountered an internal error or misconfiguration and was unable to complete your request. Please contact the server administrator, webmaster@jess27.heliohost.org and inform them of the time the error occurred, and anything you might have done that may have caused the error. More information about this error may be available in the server error log. Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.