What to put in Linux filesystem for Tomcat?

[lightbulb432 <ve...@hotmail.com>]

What is the minimum set of folders and files needed for Tomcat to run on
Linux? I ask because if you dedicate a server for Tomcat and nothing else,
you must want to minimize the size of the filesystem, disable/delete all
extra services, and more to increase the performance and decrease memory
utilization of Linux, correct?

I'd like to put something together, but don't know where to begin. Do any of
you run Tomcat on a Linux machine that is dedicated only for Tomcat? If so,
could you please comment on what's necessary and what is extraneous to
Tomcat on Linux?

Potentially how small could you make your OS filesystem size, not including
the size of your WARs and the Tomcat JARs themselves?

I realize this might be leaning towards more of a Linux question than a
Tomcat question, but who knows Tomcat better than Tomcat users! Your help is
greatly appreciated.

Thanks.
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Re: What to put in Linux filesystem for Tomcat?

[Filip Hanik - Dev Lists <de...@hanik.com>]

Tomcat doesn't need anything but the JVM, but what the JVM needs, that's 
another story :)

Filip

lightbulb432 wrote:
> What is the minimum set of folders and files needed for Tomcat to run on
> Linux? I ask because if you dedicate a server for Tomcat and nothing else,
> you must want to minimize the size of the filesystem, disable/delete all
> extra services, and more to increase the performance and decrease memory
> utilization of Linux, correct?
>
> I'd like to put something together, but don't know where to begin. Do any of
> you run Tomcat on a Linux machine that is dedicated only for Tomcat? If so,
> could you please comment on what's necessary and what is extraneous to
> Tomcat on Linux?
>
> Potentially how small could you make your OS filesystem size, not including
> the size of your WARs and the Tomcat JARs themselves?
>
> I realize this might be leaning towards more of a Linux question than a
> Tomcat question, but who knows Tomcat better than Tomcat users! Your help is
> greatly appreciated.
>
> Thanks.
>   


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Re: What to put in Linux filesystem for Tomcat?

[Christopher Schultz <ch...@christopherschultz.net>]

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Lightbulb,

lightbulb432 wrote:
> What is the minimum set of folders and files needed for Tomcat to run on
> Linux? I ask because if you dedicate a server for Tomcat and nothing else,
> you must want to minimize the size of the filesystem, disable/delete all
> extra services, and more to increase the performance and decrease memory
> utilization of Linux, correct?

As Filip points out, all Tomcat needs is the JVM, and the JVM needs only
a few libraries that don't come with it (such as the standard C library).

Having "extra" packages installed (but not enabled) on a Linux system
won't slow down Tomcat or anything like that, but you're right -- it's
best not to install them in the first place.

Java ought to run on a bare-bones Linux installation. I dunno what
distro you are running, but if you install a package-managed version of
your JVM, then it should install all dependencies for you.

Otherwise, just install the binary packages from Sun (or IBM, etc.) and
then try to run your application. If the JVM starts up, you probably
have everything you need. I shouldn't have to say that you should test
everything very carefully before you go to production.

- -chris
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