Preparing for the Cluster Setup: Availability Zones and SSH Keys
In this lesson, we will set up availability zones and create SSH keys.
Setting Up the Availability Zones
In this lesson, we will decide which availability zones should we use. So, let’s take a look at what’s available in the us-east-2 region.
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aws ec2 describe-availability-zones \--region $AWS_DEFAULT_REGION
The output is as follows.
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{"AvailabilityZones": [{"State": "available","RegionName": "us-east-2","Messages": [],"ZoneName": "us-east-2a"},{"State": "available","RegionName": "us-east-2","Messages": [],"ZoneName": "us-east-2b"},{"State": "available","RegionName": "us-east-2","Messages": [],"ZoneName": "us-east-2c"}]}
As we can see, the region has three availability zones. We’ll store them in an environment variable.
📝 A note to Windows users
Please use
tr '\r\n' ', '...
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