Re: [gentoo-user] Compare two Gentoo machines - please help

[Blakawk <blakawk@gentooist.com>]

 On Tue, 17 May 2011 17:52:32 +0200, Volker Armin Hemmann wrote:
> On Tuesday 17 May 2011 15:42:35 Helmut Jarausch wrote:
>> Hi,
>>
>> I have two (nearly) identical machines, both running ~amd64 Gentoo 
>> up-
>> to-date and with a (nearly) identical set of installed packages.
>>
>> Still, on one of these machines KDE crashes with that infamous 
>> polkit-
>> kde-authentication-agent-1 segmentation fault.
>>
>> On the other machine there is no problem.
>>
>> How can one smartly compare two Gentoo installations.
>>
>> Currently I would have to produce an md5sum of all files in
>> /etc /usr /var and / and compare these. But there are dozens of
>> thousands of files in these directories.
>>
>
> won't work. Even if the binaries in /usr are compiled with the same
> settings,
> just the different times of creation will result in different 
> md5sums.
>
> What you want to do is: find the bug.

 As far as i remember, i don't see why modification times will enter in 
 the md5sum computation process, as they are not part of the file but of 
 the filesystem's inode... it's definitely possible to compare two 
 binaries on two different system if they are compiled with the same 
 compiler version and libraries !

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