I recently had a PV solar + Franklin Whole Home battery system installed. Electrically I have no complaints, working fine. However the battery connects to my WiFi, and I have complaints. While n...

DNS makes for a deceptively easy service-discovery platform. Various platforms (such as Docker swarm, Amazon Auto-Naming purport to provide a trivial to use service discovery mechanism. DNS is han...

My house has a bevy of Z-Wave devices, plus a few LiFX bulbs. This has allowed for some fairly fun automations: When the garage door opens, a tilt sensor attached to the door turns the ext...

Jenkins is the juggernaut of the build pipeline ecosystem. Its roots go back to bespoke local build pipelines and dedicated build engineers. In present days the likes of CircleCI, CodeShip, Drone...

I ran across this little gotcha recently. Scenario: A service hosted in two regions. Each is fronted by either an ALB or ELB with an attached Autoscale group, that uses the LB healthcheck to dete...

The CentOS 7 AMI in Amazon comes with Cloud-Init (cloud-init-0.7.5-10.el7.centos.1.x86_64). This is quite handy as it assists in automating several bootup tasks. One of these tasks is to install an...

All nodes in EC2 can fetch their Instance Identity Documents. This returns an AWS-signed block containing data about the instance that requested it. This data is only available to the instance tha...

I’ve been looking for a way to run Consul ‘standalone’ on a host and let multiple ECS containers connect to it. I was hoping to find a macro I could put in a container definition but such does not...

While pondering running a full ‘ride-the-wave’ auto-scaling solution in AWS, I looked closely at my Chef installation. The environment is very Chef-heavy with fairly generic AMI that runs a slew o...

I ran into this the other day, my ECS instances were dieing off and docker ps showed Exited (137) About a minute ago. Looking at docker inspect I noticed: "State": { "FinishedAt": "2015-09-2...