wsl 2 and ec2 instance connect aws cli command issues

Question

Hi all, i am facing an issue trying to configure ec2 instance connect, i am using wsl 2 and getting 2 outputs that concern me, the first is:

```
aws: error: argument operation: Invalid choice, valid choices are:
```
which shouldnt be there because i got aws cli installed successfully, i even verified with the `aws s3 ls` command, plus the `aws --version` returns output

```
% aws --version
aws-cli/2.5.8 Python/3.9.11 Linux/5.10.102.1-microsoft-standard-WSL2 exe/x86_64.ubuntu.20 prompt/off
```

and the

```
kex_exchange_identification: Connection closed by remote host

```

which i have no clue what it means, can someone help me please?

Full output below:

```
xyz@xps-win ~/.ssh % ssh -i xyz.pem ec2-user@i-xyz\
    -o ProxyCommand='aws ec2-instance-connect open-tunnel --instance-id i-xyz'

usage: aws [options]   [ ...] [parameters]
To see help text, you can run:

aws help
  aws  help
  aws   help

aws: error: argument operation: Invalid choice, valid choices are:

send-ssh-public-key                      | send-serial-console-ssh-public-key
help

kex_exchange_identification: Connection closed by remote host
```

Thanks!

Riku_Kobayashi · Answer

Hello.  
I think the version of AWS CLI is out of date.  
Please follow the steps in the following document to upgrade.  
https://docs.aws.amazon.com/cli/latest/userguide/getting-started-install.html

```
curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"  
unzip awscliv2.zip
sudo ./aws/install --bin-dir /usr/local/bin --install-dir /usr/local/aws-cli --update
```

wsl 2 and ec2 instance connect aws cli command issues

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