Ingo Juergensmann: Migrating from Owncloud 7 on Debian to Nextcloud 11
These days I got a mail by my hosting provider stating that my Owncloud instance is unsecure, because the online scan from scan.nextcloud.com mailed them. However the scan seemed quite bogus: it reported some issues that were listed as already solved in Debians changelog file. But unfortunately the last entry in changelog was on January 5th, 2016. So, there has been more than a whole year without security updates for Owncloud in Debian stable.
In an discussion with the Nextcloud team I complained a little bit that the scan/check is not appropriate. The Nextcloud team replied very helpful with additional information, such as two bug reports in Debian to clarify that the Owncloud package will most likely be removed in the next release: #816376 and #822681.
So, as there is no nextcloud package in Debian unstable as of now, there was no other way to manually upgrade & migrate to Nextcloud. This went fairly well:
Sadly with that working Collabora Online container from Docker I now face this issue of zombie processes for loolforkit inside of that container.
ownCloud 7 -> ownCloud 8.0 -> ownCloud 8.1 -> ownCloud 8.2 -> ownCloud 9.0 -> ownCloud 9.1 -> Nextcloud 10 -> Nextcloud 11There were some smaller caveats:
- When migrating from OC 9.0 to OC 9.1 you need to migrate your addressbooks and calendars as described in the OC 9.0 Release Notes
- When migrating from OC 9.1 to Nextcloud 10, the OC 9.1 is higher than expected by the Mextcloud upgrade script, so it warns about that you can't downgrade your installation. The fix was simply to change the OC version in the config.php
- The Documents App of OC 7 is no longer available in Nextcloud 11 and is replaced by Collabora App, which is way more complex to setup
DOCKER_OPTS="--storage-driver=devicemapper"to /etc/default/docker. So, in the end everything worked out well and my cloud instance is secure again. :-) UPDATE 2016-02-18 10:52:
Sadly with that working Collabora Online container from Docker I now face this issue of zombie processes for loolforkit inside of that container.
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