How to clean system

[Коньков Евгений]

GK> On Sat, 8 Jan 2011 23:18:07 +0200, Коньков Евгений <kes-kes at yandex.ru> wrote:
>> Hi
>> System have many programs.
>> Wanna to upgrade to new version of FBSD
>>
>> Is it possible to clean system from garbage (all programs, files,
>> header files, except configuration files)
>> like installing FBSD from CD?
>>
>> is there cmd?
>> make clean-system

GK> No, there's no such command.  If you are looking for a way to 'deinstall
GK> all ports & packages' though, it may be as easy as:

GK> 1. Remove all the currently installed ports:

GK>     # rm -fr /usr/local
GK>     # mkdir /usr/local && cd /usr/local
GK>     # mtree -deU < /etc/mtree/BSD.local.dist

GK> 2. Remove all the information about 'installed packages', because you
GK>    don't have any of these anymore:

GK>     # rm -fr /var/db/pkg/*

GK> 3. Optionally, if you are going to reconfigure all your ports from
GK>    scratch, remove the saved port configuration options:

GK>     # rm -fr /var/db/ports/*


I have tried: pkg_delete -a
but many files are left in /usr/bin  /usr/sbin   ... (((
also there are files from old 7.2 system, now I have 9.0


-- 
С уважением,
 Коньков                          mailto:kes-kes at yandex.ru