I have a shared resources as described in http://www.mediawiki.org/wiki/Manual:Wiki_family#Scenario_4:_Multiple_wi... and am tryingn to run a script installer upgrade. The upgrade fails with
Failed to extract source :
cp: cannot overwrite non-directory `/home/domain.tld/domains/wiki.domain.tld/public_html/extensions' with directory `/tmp/.webmin/545121_20715_2_mass_scripts.cgi/mediawiki-1.24.1/extensions'
The directory in question is a symbolic link to the global MediaWiki directory /var/lib/mediawiki/extensions and it is set with the Option FollowSymLinks in the Directory directive in /etc/apache2/conf.d/mediawiki.conf.
How can I fix this?