Skip to main content

Provisioner

Provisioner I’ve been working on Provisioner for a while now and it’s starting to come together. Most recently I rolled out complete API documentation as well as a brand spanking new website (powered by Jekyll and Github Pages). I’m still trying to think of more use cases, so that’s part of what I will be working on next, as well as better documentation at …

Read More

How to migrate from qcow2/raw to iSCSI with KVM/QEMU

I recently had to migrate a number of VMs currently running on an NFS share to an iSCSI target. During my research, I was surprised how little documentation there was around this, so I decided to whip up this quick little piece about how to do it. Here are the steps: Create a new iSCSI target (one per VM/image you’re migrating). This step varies depending on …

Read More

How to fix kernel_task CPU usage on El Capitan

Sometime ago, I wrote the blog post How to fix kernel_task CPU usage on Yosemite. This post still receives a great amount of traction, so I wanted to post an update that reflects the covers how to do this on El Capitan. The process is largely the same, but requires a bit more work due to the changes to the additional security that El Capitan introduced to …

Read More

Using Ansible with Google Cloud Platform (the easy way)

For some time, Ansible has been my configuration management of choice and we use it for both Screenly and YippieMove. Since both of these services are running on Google Compute Engine, we’re using Ansible’s dynamic inventory for GCE. (Behind the scenes, this dynamic inventory is using Apache Libcloud, which is a great Python library for interacting with …

Read More

How to find a network device when using Internet Sharing on Mac OS X

The built-in Internet Sharing in OS X is very handy. When I’m on the road, I frequently use this to share my laptops WiFi connection with other devices over a wired connection (such as a Raspberry Pi, when I work on Screenly). If you’re connecting some kind of headless device, you will likely want to connect to this device over SSH or similar. The only …

Read More