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Create SSH key exchange from one host to the other

Terminal - Create SSH key exchange from one host to the other
cat ~/.ssh/id_rsa.pub | ssh <remote_host> "xargs --null echo >> ~/.ssh/authorized_keys"
2009-12-17 15:12:11
User: koushik
Functions: cat ssh
Create SSH key exchange from one host to the other

Well its just appending your public key to the remote hosts authorized_keys, but can get messy logging in and out


There are 2 alternatives - vote for the best!

Terminal - Alternatives

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What others think

That's what "ssh-copy-id" is for.

Comment by flatcap 309 weeks and 6 days ago

not everyone has the ssh-copy-id shell script installed on their system, and this snippet is pretty much what it does. xargs could be replaced with cat here.

Comment by bwoodacre 309 weeks and 6 days ago

this is the same:

ssh-copy-id -i ~/.ssh_[d|r]sa.pub user@machine

Comment by nordri 309 weeks and 6 days ago

thanks flatcap,nordri , I didn't know of ssh-copy-id

Comment by koushik 309 weeks and 6 days ago


xargs --null echo

better than



Comment by hackele 309 weeks and 5 days ago

just that i didnt think of using cat there

Comment by koushik 309 weeks and 3 days ago

Your point of view

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