Is there a Redhat/Linux equivalent to flash archive (flar)?

 <[email protected]>Hola,

  I'm fairly new to the Linux world so please excuse me if I'm asking for
something that well known.

  I'd like to copy a running production system to another box to do OS and
application upgrade testing. I could probably cobble a script together using
cpio, but I wonder if there's something that already exists for this.  With
Solaris I know of flash archive (flar) so I'm hoping there's something
equivalent for Redhat or Linux in general.

  Thanks for your time.

-Gene
[email protected]

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