Monthly Archives: May 2012

Connecting containers on several hosts with Open vSwitch

Posted on May 28, 2012 by s3hh

Lxc is great for starting up several containers on your laptop or on an ec2 host. But what if you want to fire up containers on multiple ec2 instances, and have them talk to each other? An easy way to … Continue reading →

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User namespaces – available to play!

Posted on May 10, 2012 by s3hh

Over the past few months, Eric Biederman has been working on completing the user namespace. Briefly, unprivileged users can create a user namespace, where he can pretend to be root and start new namespaces (i.e. network and pid) which he … Continue reading →

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LXC in precise and beyond

Posted on May 3, 2012 by s3hh

I haven’t blogged about lxc for some time. Recently Stéphane showed ( http://www.stgraber.org/2012/03/04/booting-an-ubuntu-12-04-virtual-machine-in-an-lxc-container/) what much of the lxc related work we did this cycle accomplished: making it possible to boot a stock ubuntu image in a container, and streamlining the … Continue reading →

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First round of kvm performance tests

Posted on May 2, 2012 by s3hh

Here are the raw results from my first set of kvm performance runs. These were all using disk images on an ext4 filesystem on the host, and using the scripts I showed in the previous post. To reiterate: for each … Continue reading →

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