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#!/bin/bash
echo "make sure /root/m exists"
echo "remember to change the remote port or host if needed"
sudo cat << 'EOF' > /etc/systemd/system/ssh-tunnel.service
[Unit]
Description=Persistent SSH Tunnel
After=network.target
StartLimitIntervalSec=0
[Service]
Type=simple
ExecStart=/usr/bin/ssh \
-i /root/m \
-o "ExitOnForwardFailure=yes" \
-o "StrictHostKeyChecking=no" \
-N -R 24:localhost:22 root@p.0nom.ch
Restart=always
RestartSec=10
RemainAfterExit=no
KillMode=process
[Install]
WantedBy=multi-user.target
EOF
sudo chmod 600 /root/m
sudo systemctl daemon-reload
sudo systemctl enable --now ssh-tunnel
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