LuckyBackup – Backup & sync your data with the power of rsync
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It is simple to use, fast (transfers over only changes made and not all data), safe (keeps your data safe by checking all declared directories before proceeding in any data manipulation ), reliable and fully customizable.
Install Lickybackup on Ubuntu 15.04
Open the terminal and run the following command
sudo apt-get install luckybackup
The above command complete the installation
Screenshots
An alternative:
https://www.freefilesync.org/