Thanks Mason, Andy I must say that I had an easier time installing the KOHA 2.2 versions as well... and I don't even have to worry about Zebra Following your advice I got another error, see below. I don't really know how to proceed from here. Any hints or links are welcome. Unpacking replacement libxslt1-dev ... Preparing to replace libxslt1.1 1.1.19-1 (using .../libxslt1.1_1.1.19-3_i386.deb                   ) ... Unpacking replacement libxslt1.1 ... Setting up libxml-sax-perl (0.12-5) ... Can't locate object method "save_parsers_debian" via package "XML::SAX" at /usr/                   bin/update-perl-sax-parsers line 90. dpkg: error processing libxml-sax-perl (--configure):  subprocess post-installation script returned error exit status 255 dpkg: dependency problems prevent configuration of libxml-libxml-perl:  libxml-libxml-perl depends on libxml-sax-perl (>= 0.11); however:   Package libxml-sax-perl is not configured yet. dpkg: error processing libxml-libxml-perl (--configure):  dependency problems - leaving unconfigured Setting up libxslt1.1 (1.1.19-3) ... Setting up libxslt1-dev (1.1.19-3) ... Errors were encountered while processing:  libxml-sax-perl  libxml-libxml-perl E: Sub-process /usr/bin/dpkg returned an error code (1)