Below is a basic summary of the commands required to install a ntp daemon onto your server to keep track of time.

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If you want your daemons to start and stop with your Redhat system as it boots chkconfig is what you were looking for.
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I used to use some software called Ghost for imaging windows machines. Then it was brought by Norton and got a bit bloated.

Here is the latest contender which is free for personal use
http://www.xxclone.com/

Heaps more here with Kleo looking promising
http://en.wikipedia.org/wiki/Comparison_of_disk_cloning_software

This looks good too
http://www.sysresccd.org/Main_Page