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Date:      Tue, 14 Aug 2001 13:34:31 +0100
From:      "Koster, K.J." <K.J.Koster@kpn.com>
To:        'Martin Krzysiak' <mak@irb.cs.uni-dortmund.de>
Cc:        freebsd-stable@FreeBSD.ORG
Subject:   RE: 4.3-20010812-STABLE: xsm coredump ... and some experiences of a newbie
Message-ID:  <59063B5B4D98D311BC0D0001FA7E452205FD9EAD@l04.research.kpn.com>

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Dear Martin,

>
> 1) Anyone knows how to setup the hostname at installation
>     time? It's not fair to call me Amnesiac when there is no
>     option to adjust it! :P
>
It's part of the network setup dialog in /stand/sysinstall. Since your box
is already running, edit /etc/rc.conf. That file is documented in
/etc/defaults/rc.conf. 'man rc.conf' is likely to be helpful. Hint: copy
lines that you want to change from /etc/defaults/rc.conf to /etc/rc.conf and
set the new value there.

>
> 2) When installing from a snapshot and a package is not
>     available in the package-tree, it means you have to
>     take the old one from latest STABLE?
>
STABLE is actually newer than RELEASE. Think of RELEASE of a snapshot off of
the STABLE trail. Have a look at the FreeBSD handbook:
http://www.freebsd.org/handbook, section 20. You will find this handbook
quite useful.

Then there is http://www.freebsddiary.org/ which has quite a few useful
tutorials and http://daily.daemonnews.org/, a slashdot--type news site,
although far more quiet. :)

>
> 5) I know there is /stand/sysinstall, but I would prefer to
>     have a reasonable fdisk.
>
/stand/sysinstall strikes me as quite a reasonable fdisk. You can always use
the tools from the olden days. "man disklabel", "man newfs".

>
> 6) I don't like the FreeBSD boot-loader WRITING TO MY
>     BOOT-SECTOR AGAIN AND AGAIN (each time
>     I start my computer) ! Any way to stop it?
>     (Don't come up with stupid responses to remove it
>       or to install lilo!) 
>      It's only a remark that you shouldn't write so often
>      on the most sensitive part of the harddisk!
>
It stores your boot selection in there, so that it can present your last
choice as the default. *shrug* I like it the way it is.

>
> 8) Security question:
>     I would like to know, which CRITICAL things can a user
>     do, who is member of the group 'wheel' ?
>     (I mean... without 'su root' of course)
>
Well, look for suid root and sgid wheel binaries "man find". That will tell
you a lot. On the whole you will find that users are pretty limited in nasty
things they can do. Without involving screwdrivers and chewing gum that is.

>
> 9) Is a sequence of upgrading, downgrading, deinstalling
>       and installing packages safe or does it leave trash on
>       one's hard disk?
>
There's sometimes some trash left. The package system makes an MD5 checksum
of each installed file and removes only files that have the identical MD5
checksum upon pkg_delete.

Thus, if you edit a config file, and delete the package, the config file
will remain in the filesystem. Have a look in /var/db/pkg/.

Welcome to FreeBSD.

    Kees Jan

=====================================================
 You can't have everything.  Where would you put it?
                                     [Steven Wright]

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