I tried to install Redmine 2.0.2. on a Debian 6 (Squeeze) server and ran into some problems. Especially running the rake command was a bit tricky. Luckiliy I managed to fix it
My first output was:
$ rake generate_secret_token (in /home/acy/domains/test/redmine) rake aborted! uninitialized constant Rake::DSL /home/acy/domains/test/redmine/Rakefile:8 (See full trace by running task with --trace)
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This error appeared every time I wanted to install a theme automatically, even in the current version (2.9.1) of WordPress:
Downloading install package from http://wordpress.org/extend/themes/download/sample-theme.zip.
Unpacking the package.
Installing the theme.
Could not create directory. /var/www/html/web999/blog/wp-content/themes/sample-theme/
Theme Install Failed.