Sevenmachines

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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.

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