/etc/sysconfig/iptablesファイルに-A INPUT -p tcp -m tcp --dport 3000 -j ACCEPT という記述を追記する。 $ sudo vi /etc/sysconfig/iptables $ sudo cat /etc/sysconfig/iptables # Firewall configuration written by system-config-firewall # Manual …

$ rails s /home/vagrant/.rbenv/versions/2.0.0-p0/lib/ruby/gems/2.0.0/gems/execjs-2.2.2/lib/execjs/runtimes.rb:51:in `autodetect': Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtim…