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To get my public key onto a server I normal copy the contents of my public key, then SSH into the server, then I run vi .ssh/authorized_keys, then paste my key into the file and save.

There has got to be an easier, one step way using SCP or something like that. Of course I want to append my key to authorized_keys, not overwrite it and the permissions of authorized_keys needs to remain at 600

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You can also try this one liner:

cat ~/.ssh/id_rsa.pub | ssh user@remote-system 'umask 077; cat >>.ssh/authorized_keys'
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This is perfect. Unfortunately the ssh-copy-id is not included in Mac OS X, so this one liner script will have to do and it works great. Thanks. – nvoyageur Aug 16 '10 at 14:14
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up vote 3 down vote

I would suggest looking into the ssh-copy-id tool, ssh-copy-id -i .ssh/id_rsa remoteuser@remote.host

more on http://linux.die.net/man/1/ssh-copy-id and http://www.linuxplanet.com/linuxplanet/tips/6592/1/

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ssh-copy-id is a script that will do exactly what you want: http://linux.die.net/man/1/ssh-copy-id

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I feel like an idiot, not knowing this command was available on linux machines, but it's not available by default on a Mac. Thanks for the answer thought. – nvoyageur Aug 16 '10 at 14:15
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