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    LABS GALLERY: Fedora 12 Beta Boasts Security, Management and Virtualization Updates

    By
    Jason Brooks
    -
    October 23, 2009
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      PrevNext

      1LABS GALLERY: Fedora 12 Beta Boasts Security, Management and Virtualization Updates

      1

      by Jason Brooks

      2Sandboxing Abobe Reader

      2

      I used Fedora 12’s sandbox-X feature to run Adobe’s oft-attacked Reader in an environment isolated from the rest of my system.

      3Sandboxing Firefox

      3

      With Firefox sandboxed, I could browse to sites of questionable virtue knowing that the contents of my system remained off limits to the application.

      4Testing KSM

      4

      I fired up a few VMs, including two identical Ubuntu instances, to try out Fedora 12’s KSM (kernel shared memory) feature.

      5KSM Engaged

      5

      Enabling the KSM service on my host machine led to an immediate drop in memory use as pages duplicated between my Ubuntu VMs merged.

      6Checking Process Capabilities

      6

      A tool called netcap checks the capabilities that network-facing services enjoy. Services with excessive capabilities can be targeted for hardening.

      7PolicyKit Rewrite

      7

      Fedora 12 includes a version of the PolicyKit user permissions management framework that’s been rewritten to facilitate integration with networked resources such as directory servers.

      PrevNext
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