Hypertechblog

Try with this commands 1) Install rvm following instructions for Ubuntu on  https://github.com/rvm/ubuntu_rvm 2) rvm install ruby 2.2.10 3) rvm install ruby 2.2.10 --with-gcc=gcc if its not work then try with this  1. sudo apt purge libssl-dev && sudo apt install libssl1.0-dev 2. rvm install 2.3.5 --autolibs=disable

devise_scope :user do  authenticated :user do    root 'dashboard#index', as: :authenticated_root  end  unauthenticated do    root 'home#index', as: :unauthenticated_root  end end