Gemas instaladas en local

Del man de bundle-install:

--path=<path>

The location to install the gems in the bundle to. This defaults
to the gem home, which is the location that gem install installs
gems to. This means that, by default, gems installed without a
--path setting will show up in gem list. This setting is a

casiano@exthost2:~/sinatra/sinatra-up-and-running-blog (master)$ bundle install --path /home/casiano/gems
Fetching gem metadata from https://rubygems.org/..........
Fetching gem metadata from https://rubygems.org/..
Installing daemons (1.1.9) 
Installing eventmachine (1.0.3) 
Installing rack (1.5.2) 
Installing rack-cache (1.2) 
Installing rack-protection (1.5.1) 
Installing rdiscount (2.1.7) 
Installing redcarpet (3.0.0) 
Installing tilt (1.4.1) 
Installing sinatra (1.4.4) 
Installing thin (1.6.0) 
Using bundler (1.3.5) 
Your bundle is complete!
It was installed into /home/casiano/gems

Arrancamos el servidor:

casiano@exthost2:~/sinatra/sinatra-up-and-running-blog (master)$ rackup -Ilib -I/home/casiano/gems/ruby/2.0.0/gems/ -s thin -p 4567
cache: [GET /] miss, store
10.213.5.185 - - [28/Oct/2013 12:24:29] "GET / HTTP/1.1" 200 3892 5.6308
cache: [GET /css/blog.css] miss, store
10.213.5.185 - - [28/Oct/2013 12:24:29] "GET /css/blog.css HTTP/1.1" 200 375 0.0706
cache: [GET /js/jquery.timeago.js] miss, store
10.213.5.185 - - [28/Oct/2013 12:24:29] "GET /js/jquery.timeago.js HTTP/1.1" 200 4491 0.1020
cache: [GET /js/blog.js] miss, store
10.213.5.185 - - [28/Oct/2013 12:24:29] "GET /js/blog.js HTTP/1.1" 200 66 0.0427