Hinnerk van Bruinehsen <h.v.bruineh...@fu-berlin.de> [14-10-07 17:23]: > On Tue, Oct 07, 2014 at 05:29:11AM +0200, meino.cra...@gmx.de wrote: > > Hi, > > > > There are two SDcards of the same brand and model. > > The first one cariies a not so current Gentoo Linux. > > The second one is empty. > > Now the first one is image-copied to the second one with dd, > > which copies the contents of the whole device (not the partitions). > > > > Then the first one is put into my embedded system, boots up and > > the normal eix-syn/emerge/compiel is done to update the system (whch > > takes a longer time becaus this is an embedded system). > > > > Will I get a technical identical working and valid copy of the first sdcard > > onto > > the second sdcard if I rsync the relevant partition of the first onto > > the second sdcard. > > > > Or will I produce crap this way? Is this valid Gentoo-wise? > > > > Moin (again), > > this will work quite well, at least if you take care (I used this way for > moving my systems to new drives or even via network to different boxes (in the > latter case CFLAGS and kernel config will become important again, as you can > imagine)). > Ideally you should run rsync with the option to remove files not found on the > source drive (otherwise you'll likely clutter the target with stale files > (especially documentation but also older library versions). > You will also need to change the configs (at least static network & hostname, > possibly more) so that both systems don't clash, at least if you plan to run > both on the same network. > The "rm" option of rsync is potentially dangerous (e.g. you can delete files > from home). > If you are careful this is a valid way of doing that. Another option that > would > move quite a bit work from one machine to the other is just building binpkgs > on > one host and use the other one as binhost. That way (if you use identical > /etc/portage dirs) you can quite savely use portage and nonetheless negate the > use of compiling (there will still be the load of dependency resplution, > extracting etc). > > WKR > Hinnerk
Moin Hinnerk, ;) Good points...I have not thought deep enough about it - I think (recursion?)... Currently the "master card" is being updated via eix/emerge...and then... :) Best regards, Meino
