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On 04/20/2013 05:45 PM, Tuxle T wrote: |
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> Dear all |
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> |
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> I am Stefan from Switzerland and I am looking for a mentor. |
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> I currently have been pursuing a BEng in Computer Science at the Zurich |
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> University of Applied Science. |
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> |
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> I am using Gentoo since 2009 on my server and since 2010 on my Laptop. |
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> The biggest problem I have ever had with the system was undoing broken |
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> updates of libpng, poppler or dev-libs/gmp |
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> So, I have got the following idea: I would setup Gentoo's root on `BtrFs` |
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> so that `emerge` takes a snaphshot every time something is being modified. |
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> That way, rollbacks will become easy. |
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> I am not sure if this is the best solution for everyone, because BtrFs is |
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> still in development and not always an acceptable choice. |
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btrfs and zfs should be able to do that, ryao might be able to mentor |
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you on the zfs bits. |
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The only problem I'm seeing is that the core functionality is pretty |
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much 4 lines in the late phase of pkg_{pre/post}inst. |
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You'd be pressed to make it work really well to justify the task alone. |
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lu |
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