How to add TomEE to already installed Tomcat7 - ubuntu server - tomcat7

I have Ubuntu server with LAMP and Tomcat7. I want to add TomEE so that I can work with EJB. I don't see anything related to installing TomEE on a server that already has Tomcat7. What are my options? Do I need to uninstall Tomcat7?

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War deploying tomcat8

I have issue... I have spring-boot web application generated by jhipster. I need to deploy it with tomcat. Earlier I run it on virtual machine in home. Now I'm trying run it on OVH cloud. Everything is ok but when I type 'service tomcat8 start' and checking logs , I see that war is successfully deployed but it not run automatically after this operation. I was trying run it on windows and everything is okay. This same on virtual machine.. but on OVH always this same.
I deploy original file . I have java8 and tomcat8 on server. Maybe I forgot about some configurations in tomcat? It's fresh after install . Can anybody help?

Tomcat Remote Deployment

I want to deploy a WAR from my local windows box to a remote tomcat machine
I am using the following command from Postman
http://10.248.9.104:8080/manager/text/deploy?path=/greeting1&war=file:///C:/Users/jagaran.das/Documents/work/AIP/Automation/workspace/gs-rest-service-master/initial/target/gs-rest-service-0.1.0.war
Also I have tried lot of options.
My main requirement is to control deployment to 100 tomcat server from a central location. I was thinking of using tomcat manager remote deployment way but I am not able to do. Please help
Tomcat Version is Tomcat 7.0.78

How do I upgrade Apache Tomcat from 6.0.20 to 6.0.24?

Our security team has scanned our production server and identified vulnerabilities with Apache Tomcat server v 6.0.20.
They have recommended that Apache be upgraded to 6.0.24. Reading through the forums, I believe this is the process to do so
Take a backup of httpd.conf file
Using add remove programs, uninstall version 6.0.20
Install 6.0.24
But, I have some questions depending on a quick test I did to install 6.0.20 and upgrade it to 6.0.24
Where do I get Tomcat administrator login information?
Is it enough just to backup the HTTPD.CONF file? I was thinking to back up everything in the Apache folder instead.
Is it possible not to upgrade 6.0.20 to 6.0.24 by running the MSI installer over the same Apache folder? Is it due to the HTTP/1.1 Connector Port being busy/used that doesn't allow an update of Tomcat on the same port?
Is a restart of the server required after upgrade?
Last but not the least, I am using these executables to test the upgrade. 6.0.20 gets installed fine but when I run 6.0.24, it prompts me for the JRE path and directing it to 6.0.20 JVM Path gives me a message that "JVM is not found". The JVM info on the Apache manager is in this directory
What am I missing here?
I need your thoughts and advice to make this as easy as possible since this is a production server.

Unable to debug tomcat server using eclipse

I'm using:
Spring Tool Suite Version: 3.2.0.RELEASE
Tomcat v7.0.42
When I just run my tomcat server everything is fine but I'm unable to debug it even locally. It produces following error:
Startich Apache Tomcat v7.0.42 at localhost has encoutered a problem.
Server Apache Tomcat v7.0.42 bat localhost was unable to start within 45 seconds. If the server requires more time, try increasing the timeout in the server editor.
I've tried the following:
increase the timeout.
remove all the apps before starting the debugging.
install new instance of tomcat (the only configuration that I've did on fresh install is turning on Use Tomcat installation and Never publish automatically).
But it didn't help, I still can only run the tomcat, without the debug option. Does anyone know how to make this debugging work?
When I've used new, clear workspace for Spring Tool Suite, debugging started to work.
Cheers,

Upgrade software that worked with Tomcat version 6 to work with version 7

I have Tomcat 6 on my Ubuntu. Under webapps I have software that was packed as XXX.war and it is now running with Tomcat 6. I need to install and to move it to work with Tomcat 7. How do I do this?
After you installed Tomcat 7 you can place all the xxx.war fils in:
path\Apache Tomcat - 7.x.xx\webapps
It is not actually necessary to restart the server. The hot deployment will take action and you will be able to access your applications.
You can see a complete migration guide here.

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