FreeBSD only on MacBook? Having problems...

Vincent Hoffman vince at
Mon Nov 30 11:51:58 UTC 2009

w s wrote:
> (x posted to, my
> apologies, but no one seems interested there...)
> I am trying to follow the steps to install FreeBSD 8.0 on my MacBook.
> I don't want to dual boot or anything, so I am following along here:
> (Note that earlier I managed to stomp all over the slices trying to
> partition without reading the directions...)
> However, it doesn't match my experience exactly, and I don't really
> have the FreeBSD background to compensate (long time Linux user, and
> never very hardware focused at all), so here are some starting
> questions (Note I am in the Fixit shell from the livefs CD):
> 1. Is "gpart" the same as "gpt"?
Almost, gpart is the successor of gpt. the wiki still needs a little
updating, (seems to be part gpt and part gpart based)
> 2. How can I "lose the GPT"? When I run "# gpart destory ad5" I get
> "gpart: Device busy". I presume that it is because / is mounted to run
> the livefs CD. So ...
Not quite, if you run gpart show you should get a list of stuff on ad5,
so before you can destroy the GPT you have to delete the stuff using
it,a quick example using an md device:
(reminder just in case, this will remove ANY partitions on the disk, but
you already know that :)

[root at ostracod /scratch]# gpart show md0
=>   34  19933  md0  GPT  (9.8M)
     34  19933    1  freebsd-ufs  (9.7M)
[root at ostracod /scratch]# gpart destroy md0
gpart: Device busy
[root at ostracod /scratch]# gpart delete -i 1 md0
md0p1 deleted
[root at ostracod /scratch]# gpart destroy md0
md0 destroyed

> 3. Umm, what do I do now....
> If I run "gpart show ad5" I get a bunch of stuff which I would have to
> type in manually -- let me know which pieces are important and I will
> do it.
Hope that helps, gpart (and GPT) is great once you get used to it but
its got a learning curve.


> TIA!
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