Re: [gentoo-user] Reproducible Installation Lists?

[Ramces Tampo-og Red]

Michael <confabulate@××××××××.com> writes:

> On Saturday, 26 February 2022 12:07:40 GMT Ramces Tampo-og Red wrote:
>> spareproject776 <spareproject776@×××××.com> writes:
>> > On Sat, Feb 26, 2022 at 06:47:12PM +0800, 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!
>> >
>> > emerge -avbk $(tr '\n' ' ' < /var/lib/portage/world)
>> >
>> > If your doing more than one box binhost / binpkg has a far higher return
>> > for alot more effort upfront provided you can live with -mtune=generic.
>>
>> Thanks! I will check this out.
>
> This is the page which explains how to build binary packages on one host and
> then install them on other PCs, without having to re-complile/rebuild them
> from source:
>
> https://wiki.gentoo.org/wiki/Binary_package_guide
>
> It saves a lot of time, especially if you want to update slower machines.

Thanks! I've been thinking of doing something like this too or probably
distcc. But yeah, I'll check this out.

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