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Install Tomcat 7 on Ubuntu 10.10 and Ubuntu 10.04

Apache has officially launched version 7.0 of the servlet container for Java applications,Tomcat. Major changes in this version, you can highlight support for Servlet 3.0 andJavaServer Pages 2.2.

Install JDKSee this post: Install JDK 6 update 23 in Ubuntu 10.10

Installation

The first thing to do is download the package "apache-tomcat-7.0.6.tar.gz" from the NEXTlink

http://tomcat.apache.org/download-70.cgi [tar.gz]

Now unpack it with the following command:

tar xvzf apache-tomcat-7.0.8.tar.gz

Then we let in a more appropriate directory, in our case in / usr/share/tomcat7, but can be

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in any directory. We do this with the command:

sudo mv apache-tomcat-7.0.8/ /usr/share/tomcat7

Now we define the environment variables JAVA_HOME and JRE_HOME. This file is inthe "environment" in / etc. Command to edit the file:

sudo gedit /etc/environment

Here we record the routes where we have installed Java in my case this is as follows:

JAVA_HOME="/usr/local/jdk1.6.0_23"JRE_HOME="/usr/local/jdk1.6.0_23/jre"PATH="...(other path):$JAVA_HOME:$JRE_HOME"

IMPORTANT: Verify the routes where they have installed Java.

I have had some problems in defining these environment variables, as sometimes tomcatdoes not recognize, but a surefire way of recognizing that tomcat is to define the file pathsinside "catalina.sh"located in tomcat7/bin. To modify this file use the command:

sudo gedit /usr/share/tomcat7/bin/catalina.sh

Now just insert the JAVA_HOME and JRE_HOME after the first line, so the file is asfollows:

#!/bin/shJAVA_HOME="/usr/local/jdk1.6.0_23"JRE_HOME="/usr/local/jdk1.6.0_23/jre"# Licensed to the Apache Software Foundation (ASF)...#...#.......

Now let's configure Tomcat users, this is done in the file "tomcat-users.xml"directorytomcat7/conf. Command to edit the file:

sudo gedit /usr/share/tomcat7/conf/tomcat-users.xml

Unlike previous versions where the administrator should own role "manager" now it shouldbe "manager-gui"to operate on the web administration tomcat7. The file would be asfollows:

<?xml version='1.0' encoding='utf-8'?>

<tomcat-users>

<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"/>

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</tomcat-users>

Now you should be all ready to try tomcat7.

First we must lift the server with the following command:

sudo /usr/share/tomcat7/bin/startup.sh

With this we get the following output on console:

Using CATALINA_BASE: /usr/share/tomcat7Using CATALINA_HOME: /usr/share/tomcat7Using JRE_HOME: /usr/local/jdk1.6.0_20/jreUsing CLASSPATH:/usr/share/tomcat7/bin/bootstrap.jar:/usr/share/tomcat7/bin/tomcat-juli.jar

Verify that the JRE_HOME is where we define.

Now open your web browser and type the following url:

http://127.0.0.1:8080/

So we get the following page:

If we enter the administration Tomcat Manager we click on the menu or directly at URL:

http://127.0.0.1:8080/manager/html

Here we ask the user data from previous record in mind tomcat-users.xml.

I recommend testing the sample to make sure everything works ok, they are in the section"Miscellaneous" from the side menu or at the URL:

http://127.0.0.1:8080/examples/

Commands

Start server:

sudo /usr/share/tomcat7/bin/startup.sh

Stop server:

sudo /usr/share/tomcat7/bin/shutdown.sh

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Pubblicato da Diego Benna a 2:25 AM

Reazioni:

Automatic Starting

To make tomcat automatically start when we boot up the computer, you can add a scriptto make it auto-start and shutdown.

sudo gedit /etc/init.d/tomcat7

Now paste in the following:

# Tomcat auto-start

#

# description: Auto-starts tomcat

# processname: tomcat

# pidfile: /var/run/tomcat.pid

case $1 in

start)

sh /usr/share/tomcat7/bin/startup.sh

;;

stop)

sh /usr/share/tomcat7/bin/shutdown.sh

;;

restart)

sh /usr/share/tomcat7/bin/shutdown.sh

sh /usr/share/tomcat7/bin/startup.sh

;;

esac

exit 0

You’ll need to make the script executable by running the chmod command:

sudo chmod 755 /etc/init.d/tomcat7

The last step is actually linking this script to the startup folders with a symbolic link.Execute these two commands and we should be on our way.

sudo ln -s /etc/init.d/tomcat7 /etc/rc1.d/K99tomcat

sudo ln -s /etc/init.d/tomcat7 /etc/rc2.d/S99tomcat

Tomcat should now be fully installed and operational. Enjoy!

sudo /etc/init.d/tomcat7 restart

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29 commenti:

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Anonimo Feb 6, 2011 10:03 PM

Excelente post Diego!!Muy útil!

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Anonimo Feb 9, 2011 07:05 AM

the best ! 10x !

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Anonimo Mar 16, 2011 04:15 PM

Thanks.Is there an apt-get equivalence?

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Diego Benna Mar 19, 2011 02:08 AM

Why? :)

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Anonimo Apr 6, 2011 05:15 PM

can you explain difference between /etc/environment here and in install jdk 6blog? Actually i think on this: JAVA_HOME="/usr/local/jdk1.6.0_23". Is it okwithout bin directory.

Sorry, i'm complete noob, so i need explaination.Thanks anyway

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Bernardo Apr 8, 2011 06:30 AM

Grazie mille, Diego! Sei stato moltíssimo gentile!

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Darrell Apr 17, 2011 12:56 PM

FYI -- I just successfully used this and related posts to upgrade my Ubuntu 10.04java to 1.6.0_24 and to install Tomcat 7.0.12.

Now I'm coding/debugging/testing my new java servlet. All this on a Dell LatitudeD610 with 1 gig of ram. Hums along nicely.

Thank you for these clear instructions.

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Anonimo May 3, 2011 01:30 PM

Getting Tomcat going is usually a time consuming frustration. I was fearing it tobe even worse since this is the first time in years I was going to do it on anUbuntu box. The Linux people love to shuffle Java directories around.

Your post was extremely useful and convenient.

Thank you very kindly for posting it.

Steve

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Diego Benna May 5, 2011 02:36 AM

XD Thank you! this is tested!!

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Anonimo May 15, 2011 05:45 PM

I needed this badly. The explanation is easy to understand. It worked for me.Thank you.

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lepew Jun 9, 2011 12:39 PM

thank you for your generous post from quebec canada :) STEF

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Anonimo Jun 21, 2011 06:08 AM

wow... very easy! i love you man...you save a lot of time mine

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sepehr Jun 30, 2011 01:17 PM

I don't know why but startup part didn't work for me after 1 hour of struggle Iended up running this command:#update-rc.d tomcat7 defaultsthe only different was the name of symbolic links:S20tomcat7 for S99tomcat andK01tomcat7 for K99tomcat.

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Erik Jul 19, 2011 06:06 AM

I tried to install tomcat7 but I had some difficulties. Having read your post and thecomments I have found the facts which helped me a lot and I fixed everything.

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Tim Aug 2, 2011 01:17 PM

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Tim Aug 2, 2011 01:20 PM

"I have had some problems in defining these environment variables, assometimes tomcat does not recognize..."The problem you are facing is that your /etc/sudoers is configured withDefaults env_resetOne has to run your slightly modified command to use system-wide environmentvariables:sudo -E /usr/share/tomcat7/bin/startup.sh

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Anonimo Aug 7, 2011 02:41 AM

Excellent tutorial, straight to the point. Good work.

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Anonimo Aug 7, 2011 10:59 AM

Good guide!

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Anonimo Aug 24, 2011 08:10 PM

Thanks really. I really needed to get this going. Fairly easy to understand.

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dimochka1111 Sep 6, 2011 09:06 AM

Great. Now that this path was used /usr/share/, the sysaid installation is notworking. And I can not remove tomcat7 anymore, because ubuntu doesnt find thepackage.

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dimochka1111 Sep 6, 2011 09:11 AM

HOW DO I REMOVE IT ??

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Roger Sep 18, 2011 07:28 AM

Don't run tomcat as root! That's not very secure. Create a special tomcat user,run tomcat as that, and you'll probably need to change the rights for some foldersto that tomcat user.

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Roger Sep 18, 2011 07:31 AM

@dimochkaJust remove the folder /usr/share/tomcat7, and remove the automatic startupscript if you use that. Follow the steps backward, and you should be fine.

However, removing the automatic startup script, and stopping tomcat is probablygood as well. It won't do any harm if you leave it installed.

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Anonimo Nov 25, 2011 04:37 AM

Great explanation Diego!!!

One strange thing that it happened to me and I do not know why. I installedTomcat 7.0.22 in an Ubuntu Server 11.04. When I access Tomcat from my clientlaptop, an Ubuntu 10.04, via Chrome the tomcat homepage is in English, butsome other tomcat pages like "List of applications" are in Spanish. I installed bothsystem, Ubuntu server and Ubuntu desktop in English. The only Spanish thinginstalled is the Spanish keyboard in the Ubuntu desktop because sometimes Ineed to write in Spanish, but the laptop is British. So rare, isn't it?

Any idea?

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Anonimo Nov 25, 2011 05:31 AM

One more thing, in firefox doesn't happen. Everything is in English, so what'sgoing on in Chorme?

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dark-star1 Dec 12, 2011 08:24 AM

Thanks for the follow through I was able to use this with JDK1.7.01 and tc7.

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Anonimo Dec 14, 2011 07:48 AM

Possibly dumb question - but why are you writing to rc1.d and rc2.d? Wouldn'tyou only want tomcat to start in runlevels 3 and 5 - with the network? And is therea reason not to use update-rc.d?

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Anonimo Jan 11, 2012 11:53 PM

amazing! step by step, congrats!!!

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Dp Jan 16, 2012 09:13 PM

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thx for the post.

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