I am trying to install the UrBackup Server on my Raspberry Pi running Raspbian 9 (stretch) (fresh install).

I followed the steps described in the installation notes:

wget https://hndl.urbackup.org/Server/2.2.8/urbackup-server_2.2.8_armhf.deb
sudo dpkg -i urbackup-server_2.2.8_armhf.deb
sudo apt install -f

However, this resulted in the following error:

chown: missing operand after ‘urbackup:urbackup’

Here is the full trace:

Preparing to unpack urbackup-server_2.2.8_armhf.deb ...
Unpacking urbackup-server ( ...
Setting up urbackup-server ( ...
chown: missing operand after ‘urbackup:urbackup’
Try 'chown --help' for more information.
dpkg: error processing package urbackup-server (--install):
 subprocess installed post-installation script returned error exit status 1
Processing triggers for systemd (232-25+deb9u2) ...
Processing triggers for man-db ( ...
Errors were encountered while processing:

How can I install UrBackup Server?


You need to compile the UrBackup Server yourself. Follow these steps to install from sources, basically described in the documentation:

  1. Tidy up the faulty installation attempt to prevent further errors while using apt-get:

    sudo dpkg -r urbackup-server
  2. Download the UrBackup Server source package

    wget https://hndl.urbackup.org/Server/2.4.11/urbackup-server-2.4.11.tar.gz
  3. Extract and navigate to the folder

    tar xf urbackup-server-2.4.11.tar.gz
    cd urbackup-server-2.4.11/
  4. Configure

  5. Make, do not run multiple threads (make -j 4), this might lead to errors, see below. This may take a while (20-30 minutes):

  6. Install

    make install
  7. Add UrBackup to the system startup

  8. Auto-mount USB drive

Some sidenotes for these steps if errors occur:

  • configure: error: Your system lacks of libcurl >= 7.20.0

    • run sudo apt-get install libcurl4-gnutls-dev to install the missing library
    • run ./configure again.
  • Crypto++ not found. Please install (cryptopp-devel/libcrypto++-dev) or run configure with --enable-embedded-cryptopp.

    • run sudo apt-get install libcrypto++-dev to install the missing library
    • run ./configure again.
  • g++: internal compiler error: Killed (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions. Makefile:4665: recipe for target 'urbackupserver/urbackupsrv-FileBackup.o' faile d make[2]: *** [urbackupserver/urbackupsrv-FileBackup.o] Error 4 make[2]: *** Waiting for unfinished jobs.... mv -f urbackupserver/.deps/urbackupsrv-ImageBackup.Tpo urbackupserver/.deps/urba ckupsrv-ImageBackup.Po mv -f urbackupserver/.deps/urbackupsrv-FullFileBackup.Tpo urbackupserver/.deps/u rbackupsrv-FullFileBackup.Po mv -f urbackupserver/.deps/urbackupsrv-IncrFileBackup.Tpo urbackupserver/.deps/urbackupsrv-IncrFileBackup.Po make[2]: Leaving directory '/home/pi/urbackup-server-2.2.8' Makefile:6337: recipe for target 'all-recursive' failed make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory '/home/pi/urbackup-server-2.2.8' Makefile:1338: recipe for target 'all' failed make: *** [all] Error 2

    • Run make instead of make -j 4
  • g++: fatal error: Killed signal terminated program cc1plus compilation terminated. make[2]: *** [Makefile:4968: urbackupserver/urbackupsrv-IncrFileBackup.o] Error 1 make[2]: *** Waiting for unfinished jobs.... mv -f urbackupserver/.deps/urbackupsrv-FileMetadataDownloadThread.Tpo urbackupserver/.deps/urbackupsrv-FileMetadataDownloadThread.Po mv -f urbackupserver/.deps/urbackupsrv-FullFileBackup.Tpo urbackupserver/.deps/urbackupsrv-FullFileBackup.Po mv -f urbackupserver/.deps/urbackupsrv-restore_client.Tpo urbackupserver/.deps/urbackupsrv-restore_client.Po make[2]: Leaving directory '/home/pi/urbackup-server-2.4.11' make[1]: *** [Makefile:5828: all-recursive] Error 1 make[1]: Leaving directory '/home/pi/urbackup-server-2.4.11' make: *** [Makefile:1219: all] Error 2

    • Run make instead of make -j 4

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