Details on the installation in addition to the instructions given in ./doc/INSTALL of the redmine folder.
Setting up Apache passenger for Redmine¶
apt-get install libapache2-mod-passenger
configure passenger to run with www-data. Add the following directive to
enable passenger for the location where redmine is installed:
# # Redmine # <Location /redmine/> RailsEnv production RackBaseURI /redmine Options -MultiViews </Location>