LABS GALLERY: Fedora 12 Beta Boasts Security, Management and Virtualization Updates - Linux and Open Source - News & Reviews - eWeek.com | eWeek

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

LABS GALLERY: Fedora 12 Beta Boasts Security, Management and Virtualization Updates
Written By
Jason Brooks
Jason Brooks
Oct 23, 2009
1 minute read
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by Jason Brooks


Sandboxing Abobe Reader

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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.


Sandboxing Firefox

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


Testing KSM

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


KSM Engaged

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


Checking Process Capabilities

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


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PolicyKit Rewrite

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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.

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