I just got a Synology DS218+ NAS box running DiskStation Manager (DSM) 6.1. It supports rsync but not rdiff-backup, which I have been using and loving for about 10 years. Getting rdiff-backup running on the Synology DS218+ was surprisingly easy, in large part because the DS218+ has an Intel processor and its operating system is basically Linux.
To install rdiff-backup, you need two components:
- rdiff-backup from http://rdiff-backup.nongnu.org/
- librsync.so from an Ubuntu or Debian system
To follow these instructions, you will need a Synology NAS box with an Intel processor, DSM 6.1, and a computer running Ubuntu (or Debian) Linux. You also need to have set up your user on your Synology box so that you can ssh into the Synology box.
Basically, I used my Ubuntu 16.04 desktop to build rdiff-backup and then copied the files to the DiskStation for installation.
- Install the Ubuntu librsync-dev package with aptitude install librsync-dev
- Download the rdiff-backup tar file from http://rdiff-backup.nongnu.org/
- Untar and build rdiff-backup
Shell123tar xf rdiff-backup-1.2.8.tar.gzcd rdiff-backup-1.2.8python setup.py build
Copy Files to the Synology Box
Next, I copied the rdiff-backup files and the librsync.so shared library to the DS218+. Start on the Linux computer in the parent directory of rdiff-backup-1.2.8 . The IP address of my Synology box is 192.168.0.26; you should replace that address with the address or hostname of your own box.
rsync -avz rdiff-backup-1.2.8 192.168.0.26:
rsync -avz /usr/lib/x86_64-linux-gnu/librsync.so.1.0.2 192.168.0.26:
Install rdiff-backup and librsync.so on the Synology Box
Then I logged into the Synology DS218+, became root, and installed the software.
# on the Linux computer:
# on the Synology box
# install rdiff-backup
sudo python setup.py install
# when prompted for a password, enter your own DSM password
# now install librsync.so
sudo cp librsync.so.1.0.2 /usr/lib
sudo ln -s librsync.so.1.0.2 librsync.so
sudo ln -s librsync.so.1.0.2 librsync.so.1
Test and Use rdiff-backup
That’s it. Rdiff-backup should now run. You can do a quick test by simply typing “rdiff-backup –help” and you should get an error message, because rdiff-backup does not have that option.
art@dumbo:~$ rdiff-backup --help
Fatal Error: Bad commandline options: option --help not recognized
See the rdiff-backup manual page for more information.
If you see that message, everything is good to go. Enjoy rdiff-backup!