What I did to deploy phonehow to my own EC2 instance:
Got setup for EC2 (see proir post).
Installed ec2onrails gem. This has a hard dependency on version 2.4.3 of capistrano. I had to install that version, then uninstall a newer version after ec2onrails complained that the newer version was “activated”.
sudo gem install –version 2.4.3 [...]
