Preparing to unpack .../0-nginx-core_1.17.9-0ubuntu3_amd64.deb ... Unpacking nginx-core (1.17.9-0ubuntu3) over (1.17.9-0ubuntu2) ... Preparing to unpack .../1-nginx_1.17.9-0ubuntu3_all.deb ... Unpacking nginx (1.17.9-0ubuntu3) over (1.17.9-0ubuntu2) ... Preparing to unpack .../2-libnginx-mod-stream_1.17.9-0ubuntu3_amd64.deb ... Unpacking libnginx-mod-stream (1.17.9-0ubuntu3) over (1.17.9-0ubuntu2) ... Preparing to unpack .../3-libnginx-mod-mail_1.17.9-0ubuntu3_amd64.deb ... Unpacking libnginx-mod-mail (1.17.9-0ubuntu3) over (1.17.9-0ubuntu2) ... Preparing to unpack .../4-libnginx-mod-http-image-filter_1.17.9-0ubuntu3_amd64.deb ... Unpacking libnginx-mod-http-image-filter (1.17.9-0ubuntu3) over (1.17.9-0ubuntu2) ... Preparing to unpack .../5-libnginx-mod-http-xslt-filter_1.17.9-0ubuntu3_amd64.deb ... Unpacking libnginx-mod-http-xslt-filter (1.17.9-0ubuntu3) over (1.17.9-0ubuntu2) ... Preparing to unpack .../6-nginx-common_1.17.9-0ubuntu3_all.deb ... Unpacking nginx-common (1.17.9-0ubuntu3) over (1.17.9-0ubuntu2) ... Setting up nginx-common (1.17.9-0ubuntu3) ... Configuration file '/etc/nginx/sites-available/default' ==> Modified (by you or by a script) since installation. ==> Package distributor has shipped an updated version. What would you like to do about it ? Your options are: Y or I : install the package maintainer's version N or O : keep your currently-installed version D : show the differences between the versions Z : start a shell to examine the situation The default action is to keep your current version. *** default (Y/I/N/O/D/Z) [default=N] ? dpkg: error processing package nginx-common (--configure): end of file on stdin at conffile prompt dpkg: dependency problems prevent configuration of libnginx-mod-http-xslt-filter: