Access Web Servers on EC2 Private Addresses with Firefox FoxyProxy & Google Chrome SwitchySharp

There are sometimes web ui services on EC2 instances that are only accessible via the AWS private IP addresses. The one I run into most are the WebUI of HBase and Hadoop. There are probably many others. Running a Socks Proxy Tunnel to an EC2 server On your local system you will need to run an [...] [...]

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Avoiding a series of tests with Ruby Hashes of Hashes that might have nil before the leaf hash

I’m mostly using Ruby to write Opscode Chef Cookbooks. There are a lot of hashes of hashes that contain attributes or Data Bags. Things that look like: If I wanted to test if this value is set I couldn’t safely just say: because in some cases or may be nil . If ether of those [...] [...]

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