Question 46941 in Debian Question posted in
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How do I remotely execute a prespecified command with authentication across a local network on Linux? – Debian

I have two Debian Linux servers on the same network. I would like server A to execute this command on server B: run.sh VARIABLE, and it needs to be able to process the output of said command. The script run.sh is on server B I do not want its contents to be visible to server A. I need there to be some kind of authentication between these two machines as well.

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  1. 0

    Perhaps the easiest and fastest way you can accomplish this is to setup a standalone python REST server. On the client side you can use any client, even curl or python requests.

    How to make a simple Python REST server and client?

    As authentication it can be as simple as requiring a username and password in the JSON fields.

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  2. 0

    Your specs are somewhat vague. Assuming that run.sh exists somewhere on server B, the easiest would be to use an ssh forced command and using a key-pair for the ssh connection.

    You define the forced command in the ~/.ssh/authorized_keys on server B and pull the VARIABLE out of SSH_ORIGINAL_COMMAND in run.sh.

    server A never gets to see run.sh, is able to pass arguments to run.sh. and running run.sh is all it can ever do …

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