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Blog posts tagged
"containers"

Corey Bryant
17 June 2015

Deploying OpenStack from source to scalable multi-node environments

Cloud and server Article

The Juju OpenStack charms now have support for deploying OpenStack from source! This means that you can point the charms at the OpenStack git repositories/branches of your choice, whether they’re the well known upstream repos or your own modified repos, and deploy to your choice of substrate via Juju (to metal via MAAS, private/public clo ...

Dustin Kirkland
11 June 2015

How many containers can you run on your machine?

Cloud and server Article

652 Linux containers running on a Laptop?  Are you kidding me???A couple of weeks ago, at the OpenStack Summit in Vancouver, Canonical released the results of some scalability testing of Linux containers (LXC) managed by LXD.Ryan Harper and James Page presented their results — some 536 Linux containers on a very modest little Intel server ...

Canonical
27 May 2015

Introducing pylxd

Cloud and server Article

In part of my work for nova-compute-lxd, we use a combination of httplib, UNIX domain sockets, and JSON to talk to the LXD daemon via the REST API. Talking to various people involved in the LXD project, I have decided to split this part of nova-compute-lxd into its own project called pylxd. Pylxd is a ...

Canonical
6 May 2015

Introduction to nova-compute-lxd

Cloud and server Article

LXD is a lightweight container hypervisor for full system containers, unlike Docker and Rocket which is for application containers. This means that the container will look and feel like a regular VM – but will act like a container. LXD uses the same container technology found in the Linux kernel (cgroups, namespaces, LSM, etc). The ...

Canonical
6 May 2015

Live Migration in LXD

Cloud and server Article

There has been a lot of interest on the various mailing lists as well as internally at Canonical about the state of migration in LXD, so I thought I’d write a bit about the current state of affairs. Migration in LXD today passes the “Doom demo” test, i.e. it works well enough to reproduce the ...

Stéphane Graber
28 April 2015

Getting started with LXD – the container lightervisor

Cloud and server Article

Introduction For the past 6 months, Serge Hallyn, Tycho Andersen, Chuck Short, Ryan Harper and myself have been very busy working on a new container project called LXD. Ubuntu 15.04, due to be released this Thursday, will contain LXD 0.7 in its repository. This is still the early days and while we’re confident LXD 0.7 ...

Mark Baker
22 April 2015

Here comes Kilo and 15.04! Containers will never be the same again!

Cloud and server Article

Today Ubuntu 15.04, codenamed Vivid Vervet, is released with a host of new features for clouds and servers. 15.04 comes a full year since the last Long Term Support (LTS) release and a year before the next LTS so represents a milestone in which we bring in and start to settle down features we want ...

Tom Callway
2 March 2015

Introducing lxcfs

Cloud and server Article

Last year around this time, we announced the availability of cgmanager, a daemon allowing users and programs to easily administer and delegate cgroups over a dbus interface. It was key to supporting nested containers and unprivileged users. While its dbus interface turned out to have tremendous benefits (I wasn’t sold at first), there are ...

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