2.0.2/lib/initializer.rb:159:in `require_frameworks': no such file to load -- openssl (RuntimeError)错误。因为This package makes Ruby to be able to use OpenSSL. It includes HTTP and TELNET protocols' SSL/TLS support. This package is a dependency package, which depends on Debian's default Ruby version (currently 1.8.x))
GRID@debian:~$ mkdir work GRID@debian:~$ cd work/ GRID@debian:~/work$ rails demo GRID@debian:~/work$ cd demo/ GRID@debian:~/work/demo$ ruby script/server