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I have successfully compiled my kernel but don't really understand the importance of keeping a backup of the .config file created in the root directory of the source . I ...
  1. 06-26-2009 #1
    vickey_20
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    importance of .config file after kernel compilation

    I have successfully compiled my kernel but don't really understand the importance of keeping a backup of the .config file created in the root directory of the source . I have read on many site that having a backup is good but this step is optional.
    Only if I could understand the man pages
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  2. 06-26-2009 #2
    MikeTbob
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    Quote Originally Posted by vickey_20 View Post
    I have successfully compiled my kernel but don't really understand the importance of keeping a backup of the .config file created in the root directory of the source . I have read on many site that having a backup is good but this step is optional.
    It's good to have because now you can just copy the .config file to a new kernel directory and issue make oldconfig instead of having to sort through the whole thing like you just did. Keep in mind that this is only advisable for minor version changes in the kernel. See this Gentoo kernel upgrade guide for more info.
    Gentoo Linux Documentation -- Gentoo Linux Kernel Upgrade Guide
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  3. 06-27-2009 #3
    Dapper Dan
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    Agreed. I always keep a backup .config file so when I compile a new kernel I'll always have a spare if the original should somehow get lost or corrupted.
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