Created
June 30, 2022 14:39
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Rsync and a lock file: flock
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#!/bin/bash | |
# Example of flock use with rsync where local files are pushed to a remote server using a ssh and a key. | |
# Using flock is useful when file copying is slow and the transfer duration may overlap with a newly scheduled run. | |
# For example, if a large number of files are uploaded in one day in an office, whose backup is scheduled every day, and the transfer may take more than 24 hours. | |
# Flock use a lock file: if it already exist it does not execute the command (-n option) | |
# Read more on https://www.man7.org/linux/man-pages/man1/flock.1.html | |
flock -n rsyncExec.lock -c 'rsync -aAXH --info=progress2 --delete --delete-excluded -e "ssh -p 12345 -i /myuser/.ssh/mykey" /myrepo/mydata/ [email protected]:/mybackup/myfolder/' |
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