03 March 2013

Connect to EC2 Instance from unix

I've spent a few days slightly mystified by not being able to connect to my Amazon AWS EC2 instance from my Ubuntu machine. Sadly I've fixed it now, so I can't re-type the error. Slightly concerning you may scream, but I could connect from a windows machine and I don't have any visitors anyway...so meh!

Anyway after much researching I stumbled across this:

chmod 400 mykeyname.pem 

This worked a charm, I can now connect via ssh or the java browser util that Amazon provide. Awesome! If this is a new AWS security change or not I don't know. Anyway, hope this helps someone!

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