Use Ext4 and OverlayFS instead of Btrfs on CoreOS

Posted by & filed under aws, CoreOS, DevOps.

If you’re an early adopter like us and have been on the CoreOS bandwagon for more than a few days, you’ve likely run into some Btrfs issues. These issues usually manifest as “no space left on device” errors that cause Docker to completely fail, usually at the most inconvenient time. While there are some workarounds… Read more »

Launch CoreOS instances with iPXE and cloud-config

Posted by & filed under DevOps, Web development.

While still in its infancy, CoreOS is getting a lot of attention lately as a fast and lightweight Linux distribution geared towards large-scale server deployments. It’s bundled with software like Docker, Fleet, and etcd to allow for quick cluster deployments and manageable app containers. One particular point that helps ease its adoption is that it supports iPXE booting… Read more »