Michael Hampicke wrote: > Am 09.09.2013 21:05, schrieb Benjamin Block: >> On 08:30 Mon 09 Sep , Michael Hampicke wrote: >>> Am 08.09.2013 20:51, schrieb Benjamin Block: >>>> Hej folks, >>>> >>>> I wonder what is a good way to create an image of a gentoo-system, so >>>> that one can apply it later to the same or other computers. >>>> >>>> In my case it is a rather simple setup: one partition, no encryption or >>>> lvm. Its a debug-setup, so its only used for certain programming-tasks >>>> and not for daily work, so no need for something fancy. The time I setup >>>> that system I also used only conservative compilation-flags and >>>> optimisation, so that it can be used on other CPUs (well, they have to >>>> be x86_64 and have to have mmx/sse[23] - but I think every setup that I >>>> intend to use this on will have these properties). >>>> >>>> So I reckon that one could just use tar with permission-preservation and >>>> some excludes like dev/sys/proc/tmp. But is this a good idea or is there >>>> a better way to do this? I never cloned a gentoo-system, so thats why I >>>> would like to be at least somewhat sure about it, so that I don't have >>>> to reconfigure it later again, because I messed it up :D >>>> >>> >>> Tar with permission preservation is fine. Just exlude everything in >>> dev/sys/proc/tmp as you said. But make sure, that these directories are >>> in your tar file, it does not matter if they are empty, but they have to >>> exist in order to boot proplery. >>> >>> One special case. To boot you most likely will need /dev/console and >>> /dev/null. Just inlcude those two device nodes in your tar file. >>> >> >> Thanks for pointing that out, but why are these both special? Seems to >> me like these are also (char)device-nodes and shouldn't they also be >> generated by the kernel with DEVTMPFS and then udev at a very early >> init-stage? > > If you have DEVTMPFS enabled you should be fine. But not everybody has > that enabled, or even uses udev :-) >
I would include them just in case. Why take the chance that it fails for whatever reason. Dale :-) :-) -- I am only responsible for what I said ... Not for what you understood or how you interpreted my words!
