Monthly Archives: May 2012

Connecting containers on several hosts with Open vSwitch

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

Posted in Uncategorized | Tagged , | 24 Comments

User namespaces – available to play!

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

Posted in Uncategorized | Tagged , | 3 Comments

LXC in precise and beyond

I haven’t blogged about lxc for some time. Recently St├ęphane 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

Posted in Uncategorized | Tagged , | 1 Comment

First round of kvm performance tests

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

Posted in Uncategorized | Tagged , | 8 Comments