1.\"- 2.\" Copyright (c) 2012 Eitan Adler 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd February 28, 2014 28.Dt SSH-COPY-ID 1 29.Os 30.Sh NAME 31.Nm ssh-copy-id 32.Nd copy public keys to a remote host 33.Sh SYNOPSIS 34.Nm 35.Op Fl lv 36.Op Fl i Ar keyfile 37.Op Fl o Ar option 38.Op Fl p Ar port 39.Oo Ar user Ns @ Oc Ns Ar hostname 40.Sh DESCRIPTION 41The 42.Nm 43utility copies public keys to a remote host's 44.Pa ~/.ssh/authorized_keys 45file (creating the file and directory, if required). 46.Pp 47The following options are available: 48.Bl -tag -width indent 49.It Fl i Ar file 50Copy the public key contained in 51.Ar file . 52This option can be specified multiple times and can be combined with 53the 54.Fl l 55option. 56If a private key is specified and a public key is found then the public key 57will be used. 58.It Fl l 59Copy the keys currently held by 60.Xr ssh-agent 1 . 61This is the default if the 62.Fl i 63option was not specified. 64.It Fl o Ar ssh-option 65Pass this option directly to 66.Xr ssh 1 . 67This option can be specified multiple times. 68.It Fl p Ar port 69Connect to the specified port on the remote host instead of the 70default. 71.It Fl v 72Pass -v to 73.Xr ssh 1 . 74.El 75.Pp 76The remaining arguments are a list of remote hosts to connect to, 77each one optionally qualified by a user name. 78.Sh EXIT STATUS 79.Ex -std 80.Sh EXAMPLES 81To send a specific key to multiple hosts: 82.Dl $ ssh-copy-id -i /path/to/keyfile.pub user@host1 user@host2 user@host3 83.Sh HISTORY 84The 85.Nm 86utility was written by 87.An Eitan Adler Aq Mt eadler@FreeBSD.org 88as a drop-in replacement for an existing utility included with 89OpenSSH. 90