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Linux 2.6 - man page for ssh-copy-id (linux section 1)

SSH-COPY-ID(1)									   SSH-COPY-ID(1)

       ssh-copy-id - install your public key in a remote machine's authorized_keys

       ssh-copy-id [-i [identity_file]] [user@]machine

       ssh-copy-id  is	a  script that uses ssh to log into a remote machine and append the indi-
       cated identity file to that machine's ~/.ssh/authorized_keys file.

       If the -i option is given then the identity file (defaults to ~/.ssh/id_rsa.pub) is  used,
       regardless of whether there are any keys in your ssh-agent.  Otherwise, if this:

	     ssh-add -L

       provides any output, it uses that in preference to the identity file.

       If  the -i option is used, or the ssh-add produced no output, then it uses the contents of
       the identity file.  Once it has one or more fingerprints (by whatever means) it	uses  ssh
       to  append  them  to  ~/.ssh/authorized_keys on the remote machine (creating the file, and
       directory, if necessary.)

       This program does not modify the permissions of any  pre-existing  files  or  directories.
       Therefore,  if  the  remote sshd has StrictModes set in its configuration, then the user's
       home, ~/.ssh folder, and ~/.ssh/authorized_keys file may need to  have  group  writability
       disabled manually, e.g. via

	     chmod go-w ~ ~/.ssh ~/.ssh/authorized_keys

       on the remote machine.

       ssh(1), ssh-agent(1), sshd(8)

OpenSSH 				 14 November 1999			   SSH-COPY-ID(1)

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