Is it possible to run a command from one ec2 instance that executes that command onto another ec2 instance?

Question

Right now I am testing to see if I am able to write

touch test.txt

simply to another ec2 instance. I have looked into both ssh and ssm but I do not understand where to begin the code. Any ideas to remotely send commands?

There are several different ways depending on your security setup. Do the two EC2 instances trust each other? A simple way is shown here but you could also have an HTTP server of some sort or may other ways. What are you ultimately trying to build? — stdunbar
– stdunbar, Commented Jun 23, 2020 at 20:02

Chris Williams · Accepted Answer · 2020-06-23 20:06:45Z

1

If you want to send a command remotely you can make use of the AWS run command functionality of SSM.

To do this you will need to ensure that you’re both running SSM agent and have a valid IAM role setup on the remote instance. The getting started section should help that.

Finally you can call the remote instance using the send-command function. Either create your own document or use the existing ‘AWS-RunShellScript’ document.

answered Jun 23, 2020 at 20:06

Chris Williams

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