http://wiki.openbluedragon.org/wiki/index.php/Apache_Tomcat_on_CentOS/RedHat



manual jdk operation .bin
# ln -s /usr/java/jdk1.6.0/bin/java /usr/bin/java
# ln -s /usr/java/jdk1.6.0/bin/javac /usr/bin/javac


Utenti

$CATALINA_HOME/conf/tomcat-users.xml  (/opt/tomcat/...)

and append the following line at second last line.

<user name="Username" password="secret" roles="admin,manager"/>

Then restrat tomcat you will be able to login to tomcat with 

http://IP:8080/manager/html