Ug. I just moved from a Windows 7 installation to a Lion system. I'm attempting to teach myself Ruby on Rails, and whilst I like the language, the environment feels fragile and mysterious. I used the same command to install heroku on both systems, but the System X system is not happy with the install. On System X I used rvm, which might be my problem. What controls where Gems are installed? How ca
![Could not find heroku (>= 0) amongst [] (Gem::LoadError)](https://cdn-ak-scissors.b.st-hatena.com/image/square/98d6f053a97a87156775f60757c60865d0f2c47d/height=288;version=1;width=512/https%3A%2F%2Fcdn.sstatic.net%2FSites%2Fstackoverflow%2FImg%2Fapple-touch-icon%402.png%3Fv%3D73d79a89bded)
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