lnd-channel-backup-2-mail

This script watches the LND data folder and sends out emails with the channel backup on changes.

This script is based on https://gist.github.com/alexbosworth/2c5e185aedbdac45a03655b709e255a3

Dependencies

Install mail

sudo apt-get install mailutils inotifywait

Configure mail sudo nano /etc/mailname and add your "domain name" e.g. raspberrypi

Send test email echo "Test" | mail -s "Test" your@email.com

Set it up as a service

• Create a service file sudo nano /etc/systemd/system/backup-channels.service Content:

  [Service]
  ExecStart=/PATH/TO/copy-channel-backup-on-change.sh
  Restart=always
  RestartSec=60s
  StandardOutput=syslog
  StandardError=syslog
  SyslogIdentifier=backup-channels
  User=USER
  
  [Install]
  WantedBy=multi-user.target
  

• rename /PATH/TO the the location of shell script

• replace USER with actual user

• start and enable service sudo systemctl enable backup-channels.service sudo systemctl start backup-channels.service

Options

The script contains 3 important variables EMAIL, PATHTOLND, PATHTOTMP

EMAIL: your email address

PATHTOLND (default: /home/lightning/.lnd/): the path to your LND data folder

PATHTOTMP (default: /home/lightning/tmp/): the path to folder to temporary store the channel backups