Upgrade Redmine 2.0

Step 1. Download Redmine from SVN # svn co http://redmine.rubyforge.org/svn/branches/2.0-stable redmine-2.0 Since Redmine 1.4.0, it is recommend to use Bundler to manage gem dependencies. # gem install bundler Create a symbolic link to /usr/bin # ln -s /var/lib/gems/1.8/bin/bundle /usr/bin/bundle After install Bundler gem, it is required to install a bunch of packages first: # apt-get install libmysqlclient-dev libpq-dev libmagickwand-dev libsqlite3-dev Then you can run the bundle command successfully: # bundle install --without development test