Tomcat: enable Tomcat Manager

Tomcat 7.0.23

edit $TOMCAT_HOME/conf/tomcat-users.xml and add a user:

<tomcat-users>
  <role rolename="manager-gui" />
  <user username="myusername" password="mypassword" roles="manager-gui" />
</tomcat-users>

Access Tomcat Manager: http://localhost:8080/manager/html

Tomcat 6

edit $TOMCAT_HOME/conf/tomcat-users.xml and add a user:

<tomcat-users>
  <role rolename="manager" />
  <user username="myusername" password="mypassword" roles="manager" />
</tomcat-users>

Access Tomcat Manager: http://localhost:8080/manager/html