Java: How to Install Tomcat 7 on Ubuntu 12.10 - Guide

Instalar Tomcat 7 sobre Ubuntu 12

Download and install:

Download from zip: http://tomcat.apache.org/download-70.cgi

tar xvzf apache-tomcat-7.0.8.tar.gz
sudo mv apache-tomcat-7.0.8/ /usr/share/tomcat7
#sudo geany /etc/environment
#sudo nano /etc/environment
sudo vim /etc/environment
JAVA_HOME="/usr/lib/jvm/jdk1.7.0_71"
JRE_HOME="/usr/lib/jvm/jdk1.7.0_71/jre"

sudo vim /usr/share/tomcat7/bin/catalina.sh
#insert the JAVA_HOME and JRE_HOME after the first line
JAVA_HOME="/usr/lib/jvm/jdk1.7.0_71"
JRE_HOME="/usr/lib/jvm/jdk1.7.0_71/jre"

Configure Users:

sudo geany /usr/share/tomcat7/conf/tomcat-users.xml
#Add user into file tomcat-users.xml
<role rolename="manager-gui"/>
<role rolename="manager-script"/>
<role rolename="manager"/>
<role rolename="admin-gui"/>
<role rolename="admin-script"/>
<role rolename="admin"/>
<user username="usuario" password="contrasena" roles="manager-gui,admin-gui,manager,admin,manager-script,admin-script"/>

Configure Bash:

#Add in .bashrc :
export CATALINA_HOME=/usr/share/tomcat7
export WEBAPPS_HOME=/usr/share/tomcat7/webapps
alias tomcat_start='sudo /usr/share/tomcat7/bin/startup.sh'
alias tomcat_stop='sudo /usr/share/tomcat7/bin/shutdown.sh'

Start and stop:

#Start server:
#sudo /usr/share/tomcat7/bin/startup.sh
tomcat_start

#Web Test:
http://127.0.0.1:8080/

#Stop server:
#sudo /usr/share/tomcat7/bin/shutdown.sh
tomcat_stop

See the version:

$CATALINA_HOME/bin/version.sh

Using CATALINA_BASE:   /usr/share/tomcat7
Using CATALINA_HOME:   /usr/share/tomcat7
Using CATALINA_TMPDIR: /usr/share/tomcat7/temp
Using JRE_HOME:        /usr/lib/jvm/jdk1.7.0_71/jre
Using CLASSPATH:       /usr/share/tomcat7/bin/bootstrap.jar:/usr/share/tomcat7/bin/tomcat-juli.jar
Server version: Apache Tomcat/7.0.56
Server built:   Sep 26 2014 12:08:24
Server number:  7.0.56.0
OS Name:        Linux
OS Version:     3.2.0-69-generic
Architecture:   amd64
JVM Version:    1.7.0_71-b14
JVM Vendor:     Oracle Corporation

View Status:

ps -A | grep java

3453 pts/0    00:00:04 java

(Nota: para matar el proceso podemos usar: kill -9 3453)

ps -ax | grep tomcat7

Warning: bad ps syntax, perhaps a bogus '-'? See http://procps.sf.net/faq.html

3936 pts/0    Sl     0:04 /usr/lib/jvm/jdk1.7.0_71/jre/bin/java -Djava.util.logging.config.file=/usr/share/tomcat7/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -server -Xms1024m -Xmx1024m -XX:MaxPermSize=1024m -XX:MaxNewSize=128m -XX:NewSize=128m -XX:SurvivorRatio=128 -XX:MaxTenuringThreshold=0 -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:+CMSIncrementalPacing -XX:+CMSClassUnloadingEnabled -XX:+DisableExplicitGC -XX:+UseParNewGC -XX:+UseTLAB -Djava.net.preferIPv4Stack=true -Djava.net.preferIPv4Addresses -Dgrails.env=prod -Dspring.profiles.active=prod -Dport-offset=0 -Djboss.socket.binding.port-offset=0 -Dajp.port=8009 -Djboss.http.port=8080 -Dhttp.maxthreads=1000 -Dshutdown.port=8005 -Dcom.sun.xml.ws.transport.http.client.HttpTransportPipe.dump=true -Djava.endorsed.dirs=/usr/share/tomcat7/endorsed -classpath /usr/share/tomcat7/bin/bootstrap.jar:/usr/share/tomcat7/bin/tomcat-juli.jar -Dcatalina.base=/usr/share/tomcat7 -Dcatalina.home=/usr/share/tomcat7 -Djava.io.tmpdir=/usr/share/tomcat7/temp org.apache.catalina.startup.Bootstrap start

3979 pts/0    S+     0:00 grep --color=auto tomcat7

sudo netstat -tapen | grep ":8080 "

tcp        0      0 0.0.0.0:8080            0.0.0.0:*               LISTEN      0          30018       3565/java

Web Admin:

http://localhost:8080/manager

(Nota: put the user and pass located into tomcat-users.xml)

References:
http://diegobenna.blogspot.com.ar/2011/01/install-tomcat-7-in-ubuntu-1010.html
http://www.liquidweb.com/kb/how-to-install-apache-tomcat-7-on-ubuntu-12-04/