Qubes OS 2 RC2 发布，面向安全的、基于Fedora的桌面Linux发行

Qubes OS是面向安全的、基于Fedora的桌面Linux发行，其主要理念是基于隔离的安全，而这靠轻量级的Xen虚拟机来实现隔离域。它旨在结合两个貌似矛 盾的目标：如何使不同域之间的隔离尽可能强，这主要靠能够使可信代码尽量小的更灵巧的结构，以及如何使这种隔离尽可能无缝和容易。

Today we release the second release candidate for Qubes OS R2. There are currently no more open tickets for the final R2 release, and we hope that what we release today is stable enough and so it will be identical, or nearly identical, to the final R2 ISO image. After the RC1 release a few months ago we have been hit by a number of problems related to unreliable VM startups. The most prevalent problem has been traced down to an upstream bug in systemd, which just happened to be manifesting on Qubes OS due to specific conditions imposed by our startup scripts. Actually, it has not been the first time when some things related to VM bootup or initialization didn't work quite well on Qubes.

Download (MD5): Qubes-R2-rc2-x86_64-DVD.iso (2,854MB).