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#!/bin/bash
# opens 5 ports
#file will be run from where the user executes the script
j=$1
HOST="root@p.0nom.ch"
# get the process holding the specified port and kill it
echo "cleaning management port..."
ssh $HOST "ss -tunlp | grep :${j}022 | awk '{print $NF}' | sed 's/.*pid=\([^,]*\).*/\1/' | head -n1 | xargs kill -9"
echo "cleaning attempted."
ssh $HOST $(for i in $(seq ${j}000 ${j}005); do echo "-R $i:localhost:$i"; done; echo "-R ${j}022:localhost:22")
echo "port forward is available on port {j}00x"
#ideally port forward from 2 onwards, there seems to be a problem for 1000(or just change all to j001)
#jupyter lab --port=2001 --ip=0.0.0.0
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