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I have a ssh script that looks like this.

#!/bin/bash

user="jumpuser" host="??.??.??.??" port="34"

x="ssh $user@$host -p $port "

x+="-L 8001:??.??.??.??:34 "

...many more entries

x+="-L 8998:??.??.??.??:34 "

$x

We use this in my team to create a tunnel to reach certain services in our environment.

This was working perfectly fine, but today it started failing. The weird thing is it fails only for me. I get this error and no connection is made :

dup() in/out/err failed

Im on Mac OS, as everyone else, but im the only person having this issue and it started specifically today. I already rebooted my machine several times with no success.

1 Answers1

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What fixed this for me was this command :

ulimit -n 20000 24000

Just before running my script.