Process for cloning freebsd

Bill Moran wmoran at
Wed Jun 14 12:16:01 UTC 2006

In response to "Gary" <gary at>:
> I intend to clone a master freebsd box (6.1-stable) so that I can roll boxes
> as fast as possible. These won't be identical machines btw. This comes up
> from time to time, but I wanted to specifically check security concerns and
> other things.
> What sensitive information may be copied that must be removed/regenerated?
> For example, ssh keys. How would these be regenerated (like the screenful of
> junk with a new install)?

/etc/rc.d/sshd has the commands that are used to accomplish that.  It's
just making sure there is enough entropy in /dev/random, then using

> Are there any other similar security issues? How about any other unexpected
> problems? I'm thinking I only need to change the hostname

I've done this -- haven't had any problems that I can remember.

> I was planning to Ghost the harddrives.

Anything that allows you duplicate the HDD will work.

Bill Moran
Collaborative Fusion Inc.

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