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AWS CLI V2

How to install AWS CLI version 2.

curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
unzip awscliv2.zip
sudo ./aws/install

GCP SDK Firewall Rule AH and ESP

Here’s how to add a GCP firewall rule with the AH (authentication header) and ESP (Encapsulating Security Payload) protocols.

gcloud compute firewall-rules update "firewall-name" \
    --description="firewall description" \
    --priority "1000" \
    --target-service-accounts="service-account@gserviceaccount.com" \
    --destination-ranges="10.0.0.0/8" \
    --rules 50,51,tcp:80,udp:1000

There is no need to add protocols for AH and ESP. Just the port numbers.

AWS Register Instances with Load Balancer

Here’s the AWS CLI to register instances to a load balancer.

aws elb register-instances-with-load-balancer \
--load-balancer-name my-load-balancer \
--instances i-xxxxxxxxxxx i-xxxxxxxxxxx i-xxxxxxxxxxx