Date: Tue, 23 Oct 2012 16:19:59 +0100 From: Arthur Chance <freebsd@qeng-ho.org> To: Jack Mc Lauren <jack.mclauren@yahoo.com> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: nanobsd configuration Message-ID: <5086B59F.9030605@qeng-ho.org> In-Reply-To: <1350992239.88890.YahooMailNeo@web126001.mail.ne1.yahoo.com> References: <1350980911.20647.YahooMailNeo@web126002.mail.ne1.yahoo.com> <50867E7B.7050704@qeng-ho.org> <1350992239.88890.YahooMailNeo@web126001.mail.ne1.yahoo.com>
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On 10/23/12 12:37, Jack Mc Lauren wrote:
> From: Arthur Chance <freebsd@qeng-ho.org>
> To: Jack Mc Lauren <jack.mclauren@yahoo.com>
> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
> Sent: Tuesday, October 23, 2012 2:54 PM
> Subject: Re: nanobsd configuration
>
> On 10/23/12 09:28, Jack Mc Lauren wrote:
>> hi
>>
>> i have a problem with nanobsd. there are somethings which don't have WITHOUT knobs,
>> how can i control these directories manually ? how can i add a costume function to
>> nanobsd.sh to do this ??
>
> How about something along the lines of
>
> cust_clean () {
> rm -rf ${NANO_WORLDIR}/path/to/unwanted
**** Important: that should have been ${NANO_WORLDDIR} with *two* Ds -
get it wrong and there's a chance you may damage your main system.
> }
>
> customize_cmd cust_clean
>
> in your nanobsd config file?
>
>
> =======================================================================
> thanks
> you mean after building image, this function remove unwanted from WORLDDIR ?
> i suppose this will not effect the image, because the image had been built before
> removing unwanted directories ...
> did i get your point correctly ?
A slight caveat: it's a while since I did anything with nanobsd and this
is all from memory. "man 8 nanobsd" is your friend, and reading the
config files under /usr/src/tools/tools/nanobsd and nanobsd.sh itself
is useful.
This doeswill affect the image. nanobsd first builds (by the usual
installation process) a file tree that will become the basis of the disk
image. This is pointed to by ${NANO_WORLDDIR}.
It then runs the customize functions which can change any part of this
tree. Standard ones do things like adding more files, or alter
${NANO_WORLDDIR}/etc/ssh/sshd_config to allow root logins. You can add
your own command to do what you like.
After that, nanobsd creates a disk image using md based devices, mounts
them and copies the ${NANO_WORLDDIR} into the relevant slice(s).
If you don't want some part of the system but it hasn't got a WITHOUT
knob to prevent it being installed, the only thing you can do is let
nanobsd install it into the tree, and then "manually" via your own
customize_cmd remove it. Any changes you make will affect the final image.
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