This rare method (no apt upgrade), is not working for me in Debian 9 + Koha 17.11 : $ sudo apt install koha-common Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: koha-common : Depends: libnet-oauth2-authorizationserver-perl but it is not going to be installed E: Unable to correct problems, you have held broken packages. When I try normal method; any of: apt upgrade apt full-upgrade apt-get upgrade apt-get dist-upgrade ; general packages can't be upgraded without uninstalling koha-common El 26/05/18 a les 23:00, Father Vlasie ha escrit:

I found out how to do it.

The method was listed in the Ubuntu install instructions:

https://wiki.koha-community.org/wiki/Koha_on_ubuntu_-_packages#Upgrade_Instr...

I like answering my own questions, it gives me a sense of progress. :)

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