$: which node
$: node
-bash: node: command not found
$: brew install node
Error: node-0.6.18 already installed
$: brew doctor
Error: You have unlinked kegs in your Cellar
Leaving kegs unlinked can lead to build-trouble and cause brews that depend on
those kegs to fail to run properly once built.
node
$: brew link node
Error: No such file or directory - /usr/local/Cellar/node/0.6.5
$: brew uninstall node
Error: No such file or directory - /usr/local/Cellar/node/0.6.5
$: brew install node
Error: node-0.6.18 already installed
ノードを軌道に戻すにはどうすればよいですか??