ssh-copy-id
install your public key in a remote machine’s authorized_keys
see also :
ssh - ssh-agent
Synopsis
ssh-copy-id
[-i [identity_file]] [user@]machine
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description
ssh-copy-id
is a script that uses ssh to log into a remote machine and
append the indicated 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.)
notes
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.
see also
ssh ,
ssh-agent , sshd