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

1
2
3
4
5
6
7
1 of 7

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

by Jason Brooks

2 of 7

Sandboxing Abobe Reader

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.

3 of 7

Sandboxing Firefox

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

4 of 7

Testing KSM

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

5 of 7

KSM Engaged

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

6 of 7

Checking Process Capabilities

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

7 of 7

PolicyKit Rewrite

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.

Top White Papers and Webcasts