I forgot to CC the below On Tue, Jun 09, 2015 at 06:57:33PM +0100, Jonathan Dowland wrote: > On Tue, Jun 09, 2015 at 07:22:40PM +0800, Anatoly A. Kazantsev wrote: > > $ sudo aptitude install owncloud > > A bit of a long shot, but try just 'apt-get' instead. I think aptitude has > some pretty nasty resolver bugs at the moment.