Re: [gentoo-user] Reproducible Installation Lists?

[Ramces Tampo-og Red]

Dale <rdalek1967@×××××.com> writes:
> Ramces Tampo-og Red wrote:
>> Hello list,
>>
>> I'm a sort-of  newbie gentoo user and  I just wanted to ask  if what I'm
>> thinking is possible or if I'm just  being stupid. But either way, I was
>> wondering if it  is possible to export a list  of all installed software
>> in emerge and use that to recreate on another gentoo install.
>>
>> I have  a bunch of PCs  that are all  similarly specced and I  wanted to
>> create a minimal install "template" for all of them. If not, would it be
>> possible to pipe-in to emerge from stdin an output of all of the package
>> names that I wanted it to emerge?
>>
>> I'm really sorry if this might  be a stupid question. I'd appreciate any
>> guidance in the matter.
>>
>> Cheers!
>>
>
> There is a file that contains all the packages you have installed.  It
> is located here:
>
> /var/lib/portage/world
>
> One could copy that file to another system and do a emerge @world to
> install the same list of packages.  Depending on what all you have
> installed, it could confuse emerge and not be doable.  In the past, I
> had a copy of the file and I emerged them a few at a time.  It's worth
> trying by just coping the file tho.  It just might work. 
>

Thanks, I will look into that.

> Since you mention being new to Gentoo, don't forget the --oneshot or -1
> option when emerging things that should not be in the world file. 
> Libraries are one thing that should rarely if ever be in that file. 
> Once you get your install done and rarely install new packages, you can
> add that to the defaults in make.conf.  When I first started using
> Gentoo, I was bad to forget the -1 option and my world file was a mess. 
> It can lead to all sorts of problems later on.  The only entries in the
> world file should be packages you install and use directly.  It's rare
> that anything else should be there. 
>

Wait. Does this mean doing an emerge --ask foo-libs/lib or do you mean
the stuff that were pulled alongside packages? Since I do think that the
packages that I've installed certainly pulled libraries too.

> Happy Gentooing. 
>
> Dale
>
> :-)  :-) 
>

Cheers, you too!

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