To have that script that sync periodically your hard drives:

1. sudo su (login as root)
2. copy the project under /usr/local/bin
3. install the project
   1. cd /usr/local/bin/syncExtHdd
   2. python3.10 -m pip install poetry
   3. poetry install
   4. Copy the file disks_to_sync.template.json to disks_to_sync.json and edit it to put the uuid of your disks
      • to get the uuid of your disks, once you have plugged them, run lsblk -f and look at the UUID column
   5. test: poetry run psync -cfg /usr/local/bin/syncExtHdd/disks_to_sync.json
   6. If everything is ok, you should see something like: Synced disk: myDiskLabel (xxxxeeee-xxxx-xxxx-xxxx-xxxxffffeeee)
4. cd /etc/systemd/system/
5. ln -s /usr/local/bin/syncExtHdd/systemd.service/sync_ext_hdd.service
6. systemctl enable sync_ext_hdd for automatic start at boot
7. systemctl start sync_ext_hdd to start it now
8. journalctl -u sync_ext_hdd -f to see the logs (after 2 minutes)

To have that script that sync your hard drives when you suspend or hibernate your computer:

1. sudo su (login as root)
2. copy the project under /usr/local/bin (if not already done)
3. copy the script sync_before_sleep.sh under /usr/lib/systemd/system-sleep/
4. chmod +x /usr/lib/systemd/system-sleep/sync_before_sleep.sh