https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=16662 Marcel de Rooy <m.de.rooy@rijksmuseum.nl> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |m.de.rooy@rijksmuseum.nl --- Comment #1 from Marcel de Rooy <m.de.rooy@rijksmuseum.nl> --- Running apt-get purge koha-common, reinstall etc. Trying koha-create (on stable 17.05.05) with --letsencrypt gave me things like: The letsencrypt package is not installed. Do it now? [y/N] y /usr/sbin/koha-create: line 343: lsb_release: command not found /usr/sbin/koha-create: line 344: [: =: unary operator expected Reading package lists... Done Building dependency tree Reading state information... Done Package letsencrypt is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'letsencrypt' has no installation candidate apt-get install -y -t jessie-backports letsencrypt E: The value 'jessie-backports' is invalid for APT::Default-Release as such a release is not available in the sources -- You are receiving this mail because: You are watching all bug changes.