ssh tunnel systemctl systemd service

sudo vi /lib/systemd/system/mytunnel@.service:

[Unit]
Description=My Tunnel Service
After=network.target
StartLimitIntervalSec=0
[Service]
Type=simple
Restart=always
RestartSec=1
User=username
ExecStart=/usr/bin/autossh -f -N %i
 
[Install]
WantedBy=multi-user.target

/home/username/.ssh/config:

Host myhost
Hostname my-ssh-host.example.com
User username
RemoteForward 0.0.0.0:22022 localhost:22
IdentityFile /home/username/.ssh/id_rsa
ServerAliveInterval 30
ServerAliveCountMax 32
# warning: MITM
UserKnownHostsFile=/dev/null
StrictHostKeyChecking no

Replace username with actual user name. Usage: sudo systemctl start mytunnel@myhost sources:

• https://groups.google.com/d/msg/ansible-project/jajY_-n6qps/TXVupk_bkIkJ
• https://blog.kylemanna.com/linux/ssh-reverse-tunnel-on-linux-with-systemd/
• https://gist.github.com/drmalex07/c0f9304deea566842490