Laptop gentoo installaion

[linux_os2]

hi,

planning to install gentoo on laptop.
laptop is quiet old and has only dual core.
could the harddisk from the laptop be attached to my tower pc with 20 cores, 40 threads
and do the installation.
What about the different processors, must I specify something in make.conf

Thx

[NeddySeagoon]

linux_os2,

In theory that works.
There may be interface problems with the laptop HDD and your PC.

If that's not an issue, the next hurdle is can the big hairy system execute all the instructions that that laptop has.
If yes, just do it but set up make.conf for the laptop. You may not use -march=native as that will build for the host not the target.
Likewise CPU_FLAGS_X86 needs to be for the laptop.

If the HDD will not fit the newer system, then export the laptop root filesystem over NFS. so its attached at /mnt/laptop, then chroot in.
The make.conf constraints still apply.

If the laptop has some instructions the big system lacks, that may be OK. They can be emitted by the compiler but they must not be executed on the build box.
e.g. if these instructions get into the toolchain, it matters. If they get into Xorg, you won't run that until it runs on the laptop, so that's OK.
_________________
Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.

[linux_os2]

NeddySeagoon,

Thanks.

The HDD interface on laptop and PC are both sata, in fact one of the ssd's in the PC used to be the one of the laptop.
I have to wait until the new ssd arrives.

-march=core2 will be used. Laptop has already that setting because it used distcc. (still takes a couple of days to install with distcc)

I will post result if ssd arrives

regards

linux_os2

[linux_os2]

Successfully installed gentoo on a ssd 1 T on tower system via chroot.
Partitions 2 x 64 G ext4 one for production gentoo the other for test.
Swap of 8 G and rest /home ext4

Legacy boot because Laptop seems not to support uefi.