在Backtrack5中使用msfconsole出現Pcaprub module is not available錯誤

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內容：在Backtrack5中使用msfconsole時出現Pcaprubmodule is not available的錯誤

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在Backtrack5中使用msfconfole的scanner/portscan/syn時出現錯誤

1. The Pcaprub module is not available: no such file to load -- pcaprub
2. [-] Auxiliary failed: RuntimeError Pcaprub not available
3. [-] Call stack:
4. [-] ...
5. [*] Auxiliary module execution completed

這是Backtrack5的一個Bug，詳見http://redmine.backtrack-linux.org:8080/issues/148 。解決方法如下：

打開/opt/framework3/scripts/setenv.sh，添加pcaprub的路徑：

1. RUBYLIB="...:/opt/framework3/ruby/lib/ruby/site_ruby/1.9.1/i686-linux:/opt/framework3/msf3/external/pcaprub;