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connecting to amazon aws linux server by ssh on mac

I created a new keypair and downloaded it to my mac, then set up a new Amazon Linux AMI server with that keypair and my security group. Now I need to put the keypair .pem file that I downloaded in a .ssh file in my users folder? I am unable to create a folder called “.ssh” however because of the name.

Where do I put the keypair on my mac? and what chmods or other commands are then needed to connect to the server from my linux bash? I know “ssh my public DNS” but what other permissions or anything else should I be aware of? Its a newbie question. Thanks.

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Answer

You’ll want to put the keypair in {your home directory}/.ssh . If that folder doesn’t exist, create it. Once you put the keypair in there you have to change the permissions on the file so only your user can read it. Launch the terminal and type

chmod 600 $HOME/.ssh/<your keypair file>

That limits access to the file, and then to limit access to the folder type

chmod 700 $HOME/.ssh

You have to limit the access because the OpenSSH protocol won’t let you use a key that other’s can view.

Then to log into your instance, from the terminal you would enter

ssh -i <your home directory>/.ssh/<your keypair file> ec2-user@<ec2 hostname>

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