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OpenBSD Journal
The OpenBSD Community.

OpenBSD Journal
  • p2k16 Hackathon Report: espie@ on proot
    Our very first p2k16 hackathon report comes from none other than Marc Espie, who writes:

    Lots of thanks to Gilles Chehade, Epitech Nantes, and Aymeric Fouchault for the organization. It was top-notch. The only complaint I might have is that the food was so good that I might have eaten too much.
    Read more...

  • proot: dpb meets chroot
    With the p2k16 hackathon just coming to a close, Marc Espie has revealed one of the new things he worked on.

    I've been using dpb(1) chroot'd for a long time, using my own methods. This is a first try at making things "simple." Basically,

    proot -B /build

    should more or less do something sane, and then you can build ports in that chroot.

    Read more...

  • anti-ROP mechanism in libc
    Theo (deraadt@) writes in to the tech@ mailing list, with a clever idea that we would like to try.

    This change randomizes the order of symbols in libc.so at boot time.

    This is done by saving all the independent .so sub-files into an ar archive, and then relinking them into a new libc.so in random order, at each boot. The cost is less than a second on the systems I am using.

    For now, this is only done for libc, because it is generally the most gadget heavy library; spilled registers are more likely to point within the libc segment; and also the gadgets are close to system call stubs. As a result of the change, gadgets are no longer found at fixed offsets from spilled registers.

    More details are available on tech@. Please check the thread for any replies or updates.

  • The p2k16 hackathon has begun
    OpenBSD developers from around the world have just gathered in Nantes, France for the p2k16 hackathon. This event is technically a ports hackathon, but many non-porters have showed up too, which means you can expect a variety of different improvements.

    As an early example, ajacoutot@ has just set sysmerge to run automatically during the upgrade process.

    Head over to the hackathons page to see the artwork, and stay tuned to Undeadly for some post-hackathon reports.


FUG-BR - Espalhando BSD
Dicas Rápidas:

Cansado de nao usar sua tecla DELETE pra nada, e apenas o BACKSPACE apagar caracteres, e pra tras? Ative a tecla DELETE apagando o caracter onde esta o cursor, assim: 

bindkey "\e[3~" delete-char

Para automatizar, adicione ao seu ~/.cshrc

 






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