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Refine backup script (#175)

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* Add litecoin datadir to exclude

If you are running a litecoin node, litecoin datadir does not need to be included. It is only exclude, so no error in case of pure bitcoin install.

* Add huge fat warning to the backup script

If someone is looking around and trying to find a good backup solution, make sure they know the limitations
This commit is contained in:
Juraj Bednar 2019-07-23 09:35:52 +02:00 committed by Nicolas Dorier
parent 054cbaf179
commit b6840b9509
1 changed files with 10 additions and 0 deletions
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10
backup.sh
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@ -1,5 +1,15 @@
#!/bin/bash
# This script might look like a good idea. Please be aware of these important issues:
#
# - The backup file is not encrypted and it contains your lightning private keys.
# Consider encrypting before uploading or using another backup tool like duplicity.
# - Old channel state is toxic and you can loose all your funds, if you or someone
# else closes a channel based on the backup with old state - and the state changes
# often! If you publish an old state (say from yesterday's backup) on chain, you
# WILL LOSE ALL YOUR FUNDS IN A CHANNEL, because the counterparty will publish a
# revocation key!
if [ "$(id -u)" != "0" ]; then
echo "This script must be run as root."
echo "Use the command 'sudo su -' (include the trailing hypen) and try again"