Sevenmachines

No words go here

niall

4-Minute Read

In the field of modern cloud operations, multiple services continuously run on many different platforms, across a broad spectrum or hardware, network, and software environments. Broadly, they can be briefly summarised as having the following properties,

niall

3-Minute Read

We need to get security updates onto instances on live AWS services. So, whats the best strategy? If we’re using the Amazon Linux AMI, then we security updates are automatically applied on the initial boot of the AMI. So if we cycle our instances, we get a freshly updated EC2 instance.

niall

3-Minute Read

The goal here is to implement an instance cycling task, resulting in all current instances being replaced with new instances with no downtime. When working with auto-scaling groups, its important to remember that the auto-scaling group is in control! Simply rebooting will most likely spook the scaling group into replacing the downed instance.

niall

2-Minute Read

Quick bunch of notes on moving data between container on AWS using RDS. Here we have 2 stacks, each with a container sitting on an EC2 instance. The container is running a simple rails application connected to RDS specified in the DB_HOST environment variable. There are other shortcut ways to do this but this is the ‘pretty straightforward’ way 🙂

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