sudo apt install inotify-tools
Create a script file at the path of your choice: sudo nano /usr/local/bin/copy-channel-backup-on-change.sh
#!/bin/bash
while true; do
inotifywait /home/ubuntu/.lnd/data/chain/bitcoin/mainnet/channel.backup
cp /home/ubuntu/.lnd/data/chain/bitcoin/mainnet/channel.backup /mnt/bitcoin/channel.backup
done
chmod +x /usr/local/bin/copy-channel-backup-on-change.sh
Create file: sudo nano /etc/systemd/system/backup-channels.service
[Service]
ExecStart=/usr/local/bin/copy-channel-backup-on-change.sh
Restart=always
RestartSec=1
StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=backup-channels
User=ubuntu
Group=ubuntu
[Install]
WantedBy=multi-user.target
Start
sudo systemctl start backup-channels
Monitor
journalctl -fu backup-channels
Run at boot
sudo systemctl enable backup-channels
touch /home/ubuntu/.lnd/data/chain/bitcoin/mainnet/channel.backup
Look to see if the backup was updated