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How do I start and stop just the tomcat admin application from a command line?

+1 vote
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How do I start and stop just the tomcat admin application from a command line?

I had someone try to guess the password to my Tomee-Plume server last night. Thankfully I changed the default password and the hacker only tried twice. I want to be able to keep the admin application closed most of the time. On the rare occasion that I need access to the tomcat admin console I would like to start it up only for a brief period of time and then stop it.

Internet searches showed me how to stop other applications using the tomcat admin application. I want to stop just the Tomcat admin application not the whole server.

posted Jul 14, 2016 by Kumar Mitrasen

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1 Answer

+1 vote

I had someone try to guess the password to my Tomee-Plume server last night. Thankfully I changed the default password and the hacker only tried twice

Note that there is no default password in current Tomcat versions.

Internet searches showed me how to stop other applications using the tomcat admin application. I want to stop just the Tomcat admin application not the whole server.

$ rm -rf webapps/manager

Or, if you want to be able to put it back:

$ mv webapps/manager .

That's if you have autodeployment enabled. If you don't, you'll have to use the manager to undeploy itself. They you're stuck, because you can't re-deploy it.

A better solution might be to use the RemoteAddrValve to restrict access to the manager application to a select IP range. The default configuration for it (shipped disabled) in the manager/META-INF/context.xml restricts access to localhost, but it can
easily be extended to your own local subnet e.g. "192.168.d+.d+|10.0.d+.d+", etc.

answer Jul 15, 2016 by Kiran Kumar
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I am using tomcat 7.0.42 and deployed in CentOs . When i start the server i am geting below log in my console .....

Aug 31, 2013 10:37:59 PM org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path:
/xtd/ser/installation/jdk1.7.0_25/jre/lib/amd64/server:/xtd/ser/installation/jdk1.7.0_25/jre/lib/amd64:/xtd/ser/installation/jdk1.7.0_25/jre/../lib/amd64:/usr/java/jdk1.6.0_45/jre/lib/amd64/server:/usr/java/jdk1.6.0_45/jre/lib/amd64:/usr/java/jdk1.6.0_45/jre/../lib/amd64:/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
Aug 31, 2013 10:37:59 PM org.apache.coyote.AbstractProtocol init INFO: Initializing ProtocolHandler ["http-bio-8080"]
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INFO: Starting ProtocolHandler ["ajp-bio-8009"]
Aug 31, 2013 10:38:00 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 370 ms

BUT WHEN I AM OPEING THE BROWSER i am getting Unable to connect. I am not sure my server is started or not ? Please suggest what could be the problem?

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