selenium webdriverのインストール方法

動的なクローラー作成の為、selenium webdriverをインストールしました。

[user@localhost crawler]$ gem install selenium-webdriver
Fetching: rubyzip-1.2.0.gem (100%)
Successfully installed rubyzip-1.2.0
Fetching: ffi-1.9.14.gem (100%)
Building native extensions. This could take a while...
Successfully installed ffi-1.9.14
Fetching: childprocess-0.5.9.gem (100%)
Successfully installed childprocess-0.5.9
Fetching: websocket-1.2.3.gem (100%)
Successfully installed websocket-1.2.3
Fetching: selenium-webdriver-3.0.5.gem (100%)
Successfully installed selenium-webdriver-3.0.5
Parsing documentation for rubyzip-1.2.0
Installing ri documentation for rubyzip-1.2.0
Parsing documentation for ffi-1.9.14
Installing ri documentation for ffi-1.9.14
Parsing documentation for childprocess-0.5.9
Installing ri documentation for childprocess-0.5.9
Parsing documentation for websocket-1.2.3
Installing ri documentation for websocket-1.2.3
Parsing documentation for selenium-webdriver-3.0.5
Installing ri documentation for selenium-webdriver-3.0.5
Done installing documentation for rubyzip, ffi, childprocess, websocket, selenium-webdriver after 8 seconds
5 gems installed

特に問題なくインストール出来ました。

http://normalblog.net/system/mydev/crawler/