尝试运行时出现以下错误
“帽子生产独角兽:开始”
DEBUG [29ec5890] Command: cd /home/ec2-user/apps/current && ( RAILS_ENV=production BUNDLE_GEMFILE=/home/ec2-user/apps/current/Gemfile ~/.rvm/bin/rvm default do bundle exec unicorn -c /home/ec2-user/apps/current/config/unicorn/production.rb -E deployment -D )
DEBUG [29ec5890] RVM is not a function, selecting rubies with 'rvm use ...' will not work.
DEBUG [29ec5890]
DEBUG [29ec5890] You need to change your terminal emulator preferences to allow login shell.
DEBUG [29ec5890] Sometimes it is required to use `/bin/bash --login` as the command.
DEBUG [29ec5890] Please visit https://rvm.io/integration/gnome-terminal/ for a example.
DEBUG [29ec5890]
DEBUG [29ec5890] master failed to start, check stderr log for details
cap aborted!
bundle stdout: Nothing written
尾 -f 日志/unicorn.log
from /home/ec2-user/apps/shared/bundle/ruby/2.0.0/gems/unicorn-4.8.2/lib/unicorn/socket_helper.rb:185:in `new_tcp_server'
from /home/ec2-user/apps/shared/bundle/ruby/2.0.0/gems/unicorn-4.8.2/lib/unicorn/socket_helper.rb:165:in `bind_listen'
from /home/ec2-user/apps/shared/bundle/ruby/2.0.0/gems/unicorn-4.8.2/lib/unicorn/http_server.rb:242:in `listen'
from /home/ec2-user/apps/shared/bundle/ruby/2.0.0/gems/unicorn-4.8.2/lib/unicorn/http_server.rb:805:in `block in bind_new_listeners!'
from /home/ec2-user/apps/shared/bundle/ruby/2.0.0/gems/unicorn-4.8.2/lib/unicorn/http_server.rb:805:in `each'
from /home/ec2-user/apps/shared/bundle/ruby/2.0.0/gems/unicorn-4.8.2/lib/unicorn/http_server.rb:805:in `bind_new_listeners!'
from /home/ec2-user/apps/shared/bundle/ruby/2.0.0/gems/unicorn-4.8.2/lib/unicorn/http_server.rb:138:in `start'
from /home/ec2-user/apps/shared/bundle/ruby/2.0.0/gems/unicorn-4.8.2/bin/unicorn:126:in `<top (required)>'
from /home/ec2-user/apps/shared/bundle/ruby/2.0.0/bin/unicorn:23:in `load'
from /home/ec2-user/apps/shared/bundle/ruby/2.0.0/bin/unicorn:23:in `<main>'
应该配置什么以在端口 80 中启动独角兽。在此先感谢