1. Open the Tomcat installation directory
2, to modify the file: apache-tomcat-7.0.85 / conf / tomcat-users.xml
3, an increase in user configuration file (Stop server modification!)
4, start the Tomcat server, open the browser, enter the address HTTP: // localhost: 8080 , set up and fill in the username and password.
5, password authentication is passed into the management page.