[gentoo-user] Re: move instalation from one system to another one.

[Nikos Chantziaras]

Daniel da Veiga wrote:
> On Thu, Jul 31, 2008 at 1:12 PM, Nicolas Sebrecht
> <nicolas.s-dev@×××××××.net> wrote:
>> Sebastian Günther a écrit:
>>
>>> If you want such functionality, use Debian or Ubuntu.
>> Or just use the good C*FLAGS and kernel options.
>>
>
> Nicolas is right, you can (at your own risk, of course) do a migration
> like this, so "DON'T" is not really the only option, and changing
> distros is NOT an option in most cases. Gentoo is perfectly capable of
> that.
>
> Change flags in make.conf for generic compatible ones, compile a new
> kernel (I used genkernel for the migration, and compiled a specific
> kernel for the new machine later), emerge -e world and transfer the
> system (I used rsync, and had to deal with some network issues),
> everything worked (after some fine tunning for the new hardware) for
> me.

Yeah, but that way you're doing emerge -e world twice.  One on the old 
system, and one on the new system (to optimize for the specific CPU 
again; -march=native).  It's usually faster to install from scratch and 
only transfer your setting to the new system.