Why can't I use Rails console?

If I switch to the predefined user ‘rails’ and try to run ‘rails console’ it gives me this permission error:

/usr/local/rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/fileutils.rb:252:in `mkdir’: Permission denied @ dir_s_mkdir - /run/user/0/spring-1000 (Errno::EACCES)

if I try to log in as root it tells me that it can’t authenticate with the database. I get that; the environment variable is only set for the Rails user.

Am I not missing something or does this seem like a flaw in the design?

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i know this is old, but for someone doing a research, you should try running “rails console production” instead of “rails console” only.