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76 lines
2.2 KiB
Groff
76 lines
2.2 KiB
Groff
.ig \" -*- nroff -*-
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Copyright (c) 1999 Philip Hands Computing <http://www.hands.com/>
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Permission is granted to make and distribute verbatim copies of
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this manual provided the copyright notice and this permission notice
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are preserved on all copies.
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Permission is granted to copy and distribute modified versions of this
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manual under the conditions for verbatim copying, provided that the
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entire resulting derived work is distributed under the terms of a
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permission notice identical to this one.
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Permission is granted to copy and distribute translations of this
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manual into another language, under the above conditions for modified
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versions, except that this permission notice may be included in
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translations approved by the Free Software Foundation instead of in
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the original English.
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..
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.TH SSH-COPY-ID 1 "14 November 1999" "OpenSSH"
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.SH NAME
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ssh-copy-id \- install your public key in a remote machine's authorized_keys
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.SH SYNOPSIS
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.B ssh-copy-id [-i [identity_file]]
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.I "[user@]machine"
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.br
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.SH DESCRIPTION
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.BR ssh-copy-id
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is a script that uses ssh to log into a remote machine and
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append the indicated identity file to that machine's
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.B ~/.ssh/authorized_keys
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file.
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.PP
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If the
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.B -i
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option is given then the identity file (defaults to
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.BR ~/.ssh/id_rsa.pub )
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is used, regardless of whether there are any keys in your
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.BR ssh-agent .
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Otherwise, if this:
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.PP
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.B " ssh-add -L"
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.PP
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provides any output, it uses that in preference to the identity file.
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.PP
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If the
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.B -i
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option is used, or the
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.B ssh-add
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produced no output, then it uses the contents of the identity
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file. Once it has one or more fingerprints (by whatever means) it
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uses ssh to append them to
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.B ~/.ssh/authorized_keys
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on the remote machine (creating the file, and directory, if necessary.)
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.SH NOTES
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This program does not modify the permissions of any
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pre-existing files or directories. Therefore, if the remote
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.B sshd
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has
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.B StrictModes
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set in its
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configuration, then the user's home,
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.B ~/.ssh
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folder, and
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.B ~/.ssh/authorized_keys
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file may need to have group writability disabled manually, e.g. via
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.B " chmod go-w ~ ~/.ssh ~/.ssh/authorized_keys"
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on the remote machine.
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.SH "SEE ALSO"
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.BR ssh (1),
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.BR ssh-agent (1),
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.BR sshd (8)
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