RVM is not a function, selecting rubies with ‘rvm use …’ will not work

Your console is not running as a login shell and hence have no access to rvm function. If you are running Ubuntu, you can:

  1. Open console
  2. Select Edit -> Profile Preferences
  3. Select tab: Title and Command
  4. Check box ‘Run command as a login shell’
  5. Restart terminal

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