tomcat-users.xml configuration
One: tomcat6 configuration administrator information
1: Open the ~/conf/tomcat-users.xml file under tomcat6, the information about user roles and administrators is in this configuration file.
2: Add the following xml under the <tomcat-users> node of the configuration file
<role rolename="admin"/> <role rolename="manager"/> <user username="admin" password="admin" roles="admin,manager"/>
3: Start tomat6, enter: Username: admin Password: admin to log in to the administrator interface.
Two: tomcat7 configuration administrator information
1: Open the ~/conf/tomcat-users.xml file under tomcat7, the information about user roles and administrators is in this configuration file.
2: Add the following xml under the <tomcat-users> node of the configuration file
<role rolename="admin-gui"/> <role rolename="manager-gui"/> <user username="admin" password="admin" roles=" admin-gui , manager-gui "/>
3: Start tomat7, enter: Username: admin Password: admin to log in to the administrator interface.
Quoted from: http://www.cnblogs.com/zfc2201/p/3479547.html