Horde App Migration
From Univention Wiki
Starting with version 5.2.7-3 the Horde App for UCS is available as Docker App. New installations automatically using this Docker App.
To update an existing non-Docker Horde App to the new Docker Horde App a manual migration has to be done. Basically, Horde on the server (Docker host) is removed and installed in a new Docker container. Directories with horde data are mapped to the container and the container continues to use the database on the Docker host.
Save Horde UCR settings, prepare Horde App removal
ucr search --brief ^horde > /opt/horde-settings.txt cp -rf /etc/horde /opt/horde-conf apt-mark manual univention-mail-server apt-mark manual univention-postgresql
Remove Horde App
univention-app remove horde ucr unset appcenter/prudence/docker/horde
Install Horde Docker App
univention-app update univention-app register univention-app install horde
Verify Horde UCS settings in Docker container
univention-app shell horde ucr search --brief horde
Further configurations (/etc/horde) or modifications of UCR settings now have to be done in the container. To change into the container the command
univention-app shell horde
can be used.