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Operating Systems BSD

Feature-Rich FreeBSD 10 Alpha Released 143

Posted by Soulskill
from the double-digits dept.
An anonymous reader writes "The first alpha release of FreeBSD 10.0 is now available for download. FreeBSD 10 features include replacing GCC with LLVM/Clang, VPS support, an AMD Radeon KMS support, Raspberry Pi support, Bhyve for HVN virtualization, and ARM EABI support."
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Feature-Rich FreeBSD 10 Alpha Released

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  • by bcreane (667034) on Saturday September 14, 2013 @10:24PM (#44853529) Homepage
    FreeBSD hosts interesting work with respect to TCP congestion control. An earlier version (I think FreeBSD 8.0) introduced modular congestion control algorithms, and this version introduces CAIA Delay-Gradient (CDG) congestion control algorithm. The check in is here: http://svnweb.freebsd.org/base?view=revision&revision=252504 [freebsd.org], and an interesting (if slightly esoteric) slide deck is here: http://www.ietf.org/proceedings/84/slides/slides-84-iccrg-2.pdf [ietf.org].
  • Re:Hurrah? (Score:4, Interesting)

    by tlambert (566799) on Sunday September 15, 2013 @05:54AM (#44855005)

    The UNIX side of OS X has been just fine in the recent releases. The problems with OS X are:

    1. It doesn't have a real package management system.

    It's called "drag and drop"; properly written applications are self-contained in directories represented by the application icon. If you follow the Mac model, and don't try to install your files all over from hell to breakfast, there's no issue. This is why a lot of demo machines in stores now have epoxy in their USB ports (e.g. the ones at Fry's), since people were stealing already activated copies of Microsoft Office by plugging in their iPod shuffle or other thumb-drive and just dragging it over.

    If you want to install all over from hell to breakfast, there's always http://www.macports.org/ [macports.org] or you can make a 5 line change to the FreeBSD ports management system to use "${MAKE}" instead of "make", and deal with two "echo" compatibility issues which are fixed by using "printf" instead, and almost all of the FreeBSD ports system "just works". I gave those patches back to FreeBSD (via Jordan Hubbard); not sure if they made them in.

    Note that another benefit of the Mac model is that you can have different applications requiring different versions of libraries, and nobody cares except people already short on disk space. Duplicate block coalescing can fix that, but only works for ZFS, which is an add-on.

    2. Long turnaround time for security patches. They should stop this insane "we have to wait until 10.x.y until we ship this patch even though it's ready." A proper package management system would certainly help there.

    This is an issue for security problems in the kernel; otherwise, Apple ships regular security patches for all user space components; leave Software Update turned on, and it's automatic, and will pop up and bug you to install updates, since they usually mean an application or system restart (depending on what layer the installs happen).

    For the kernel, this is really a management/resources/security-guys-do-not-push-hard-enough problem; the current development model for the Mac OS X kernel is "Scrum", which is good if you want to keep an organ bank of coders around to throw at the next iPhone/iPod Touch/iPad problem, and less good if you actually want to make substantive changes or progress in kernel technology, so it's mostly on managements back. I agree this is a problem.

It is much easier to suggest solutions when you know nothing about the problem.

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