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#!/bin/bash
echo "selinux command is untested. copy paste systemd file if you want"
echo "reboot afterwards(selinux unset, need reboot to take effect, or just do sudo setenforce 0 for temp unset)"
echo "make sure /root/m exists"
echo "remember to change the remote port or host if needed"
# disable selinux
sudo sed -i 's/^SELINUX=.*/SELINUX=disabled/' /etc/selinux/config
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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