Duplicating an active database

I am attempting to in essence to clone an active database without taking it down and renaming the copy to something else. Can you describe the steps to do this?
I have been told to use the rman duplicate command which I have not used before. Even before that do I need to copy files to another directory? Please assist. Thanks!
k3vsmithAsked:
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slightwv (䄆 Netminder) Commented:
See if this helps:
Cloning A Database
On The Same Server
Using Rman Duplicate From Active Database

https://blogs.oracle.com/AlejandroVargas/resource/rman/rman-duplicate-from-active-database.pdf
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slightwv (䄆 Netminder) Commented:
Best place to start is in the docs:
24 Duplicating a Database
http://docs.oracle.com/cd/E11882_01/backup.112/e10642/rcmdupdb.htm#BRADV010

and
25 Duplicating a Database: Advanced Topics
http://docs.oracle.com/cd/E11882_01/backup.112/e10642/rcmdupad.htm#BRADV441
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k3vsmithAuthor Commented:
I read through the articles you posted which are goood but taking a step back Im not sure what I need to do at the Linux level. Do I need to create a new oracle home for the copied database or just copy the oracle home directory of the source database and rename it for the copy.
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slightwv (䄆 Netminder) Commented:
Are you staying on the same server or copying the database to a server with no oracle products installed?
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k3vsmithAuthor Commented:
Same server that the source db is on
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k3vsmithAuthor Commented:
Great find! Thanks.
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