Wesley George wxgeorge
discordianfish
/ ec2-update-known-hosts
Created
March 12, 2015 13:54
Tool to update your ssh's known_hosts based on the cloud-init output on AWS EC2
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| #!/bin/bash | |
| set -e | |
| readonly TMP=$(mktemp) | |
| trap "rm $TMP" EXIT | |
| aws ec2 describe-instances | \ | |
| jq -r '.Reservations|map(.Instances)|map(.[])|map([.PrivateIpAddress,.InstanceId])[]|join(",")' | \ | |
| while read l | |
| do | |
| ip=$(echo $l | cut -d, -f1) |