02-19-2012
Even after installing public key on the target host, and updating the authorized file, ssh will prompt for a password should file permissions on the ~/.ssh directory, and files within, not be what ssh expects/desires. The quote below is from the ssh manual page and lists good settings:
Quote:
~/.ssh/
This directory is the default location for all user-specific configuration and authentication information. There is no general requirement to keep the entire contents of this directory secret, but the recommended permissions are read/write/execute for the user, and not accessible by others.
~/.ssh/authorized_keys
Lists the public keys (RSA/DSA) that can be used for logging in as this user. The format of this file is described in the sshd(8) manual page. This file is not highly sensitive, but the recommended permissions are read/write for the user, and not accessible by others.
~/.ssh/config
This is the per-user configuration file. The file format and configuration options are described in ssh_config(5). Because of the potential for abuse, this file must have strict permissions: read/write for the user, and not accessible by others.
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LEARN ABOUT DEBIAN
net::ssh2::sftp
Net::SSH2::SFTP(3pm) User Contributed Perl Documentation Net::SSH2::SFTP(3pm)
NAME
Net::SSH2::SFTP - SSH 2 Secure FTP object
DESCRIPTION
An SFTP object is created by the Net::SSH2 "sftp" method.
error
Returns the last SFTP error (one of the LIBSSH2_FX_* constants). Use this when Net::SSH2::error returns LIBSSH2_ERROR_SFTP_PROTOCOL. In
list context, returns (code, error name).
open ( file [, flags [, mode ]]] )
Open or create a file on the remote host. The flags are the standard O_RDONLY, O_WRONLY, O_RDWR, O_APPEND, O_CREAT, O_TRUNC, and O_EXCL,
which may be combined as usual. Flags default to O_RDONLY and mode to 0666 (create only). Returns a Net::SSH2::File object on success.
opendir ( dir )
Open a directory on the remote host; returns a Net::SSH2::Dir object on success.
unlink ( file )
Delete the remote file.
rename ( old, new [, flags ] )
Rename old to new. Flags are taken from LIBSSH2_SFTP_RENAME_*, and may be combined; the default is to use all (overwrite, atomic, native).
mkdir ( path [, mode ] )
Create directory; mode defaults to 0777.
rmdir ( path )
Remove directory.
stat ( path [, follow ] )
Get file attributes for the given path. If follow is set (default), will follow symbolic links. On success, returns a hash containing the
following:
mode
size
uid
gid
atime
mtime
setstat ( path, key, value... )
Set file attributes for given path; keys are the same as those returned by stat; note that it's not necessary to pass them all.
symlink ( path, target [, type ] )
Create a symbolic link to a given target.
readlink ( path )
Return the target of the given link, undef on failure.
realpath ( path )
Resolve a filename's path; returns the resolved path, or undef on error.
SEE ALSO
Net::SSH2.
AUTHOR
David B. Robins, <dbrobins@cpan.org>
COPYRIGHT AND LICENSE
Copyright (C) 2005, 2006 by David B. Robins; all rights reserved.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.0 or,
at your option, any later version of Perl 5 you may have available.
perl v5.14.2 2011-05-06 Net::SSH2::SFTP(3pm)