.\"-
.\" Copyright (c) 2012 Eitan Adler
.\" All rights reserved.
.\"
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.\" modification, are permitted provided that the following conditions
.\" are met:
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" $FreeBSD$
.\"
.Dd Feburary 28, 2014
.Dt SSH-COPY-ID 1
.Os
.Sh NAME
.Nm ssh-copy-id
.Nd copy public keys to a remote host
.Sh SYNOPSIS
.Nm
.Op Fl lv
.Op Fl i Ar keyfile
.Op Fl o Ar option
.Op Fl p Ar port
.Oo Ar user Ns @ Oc Ns Ar hostname
.Sh DESCRIPTION
The
.Nm
utility copies public keys to a remote host's
.Pa ~/.ssh/authorized_keys
file (creating the file and directory, if required).
.Pp
The following options are available:
.Bl -tag -width indent
.It Fl i Ar file
Copy the public key contained in
.Ar file .
This option can be specified multiple times and can be combined with
the
.Fl l
option.
If a private key is specified and a public key is found then the public key
will be used.
.It Fl l
Copy the keys currently held by
.Xr ssh-agent 1 .
This is the default if the
.Fl i
option was not specified.
.It Fl o Ar ssh-option
Pass this option directly to
.Xr ssh 1 .
This option can be specified multiple times.
.It Fl p Ar port
Connect to the specified port on the remote host instead of the
default.
.It Fl v
Pass -v to
.Xr ssh 1 .
.El
.Pp
The remaining arguments are a list of remote hosts to connect to,
each one optionally qualified by a user name.
.Sh EXIT STATUS
.Ex -std
.Sh EXAMPLES
To send a specific key to multiple hosts:
.Dl $ ssh-copy-id -i /path/to/keyfile.pub user@host1 user@host2 user@host3
.Sh HISTORY
The
.Nm
utility was written by
.An Eitan Adler Aq eadler@FreeBSD.org
as a drop-in replacement for an existing utility included with
OpenSSH.