The Atomic Host platform is now replaced by CoreOS. Users of Atomic Host are encouraged to join the CoreOS community on the Fedora CoreOS communication channels.
The documentation contained below and throughout this site has been retained for historical purposes, but can no longer be guaranteed to be accurate.
Sometime back I wrote a feature for docker to allow expanding Base device size on daemon restart. This feature has been included in Docker 1.10, so you can try it out now.
Before we jump further into this article, I would like to point out that this feature is only available for devicemapper storage and does not apply to other storage drivers like overlay, btrfs, aufs, etc.
If you are a docker-compose user, as I am, you may be missing one feature:
exec—spawning arbitrary commands in already running containers.
Cockpit is the modern Linux admin interface. There’s a new release every week. Here are the highlights from 0.96 through 0.99.
I have contributed support for a no-new-privileges option to docker.
This flag has already been included in runc and the Open Container Initiative spec.
The new flag supports, in Docker, a security feature that was added to the Linux kernel back in 2012 under the name no_new_privs.
Atomic App version 0.4.4 has been released. This release includes a major update to our documentation as well as the user experience when deploying an Atomic App.