Remotely unlock ssh key (Gnome, Debian Lenny) Post: 302410065

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Operating Systems Linux Debian Remotely unlock ssh key (Gnome, Debian Lenny) Post 302410065 by harald on Sunday 4th of April 2010 10:13:37 AM

04-04-2010

Registered User

Remotely unlock ssh key (Gnome, Debian Lenny)

Hi,

I don't think this is a new problem, but I can't find a solution anywhere, and it's quite annoying:
In the office, I have a workstation running Debian Lenny with Gnome, and I've copied my ssh key to some other machines for secure and easy login without havin' to remember all the passwords.
Of course, my key is protected by a passphrase, so, when I try to login to one of the other machines, a window pops up, and asks me for the passphrase.
So far, so good, as long as I'm sitting at my desk this works perfectly well - but, sometimes I have to work remotely, so, I login (also by ssh) to my office workstation, and here's the problem:
I can't unlock my ssh key from remote, it seems that something (ssh-agent? Gnome keyring?) "controls" the key and prevents unlocking. The ssh client even asks me to enter the passphrase, but it's not accepted...
Any ideas? Can it be because I'm always logged in at work, and only locking the screen when I leave my desk?

Hope anyone can shed some light on this,

Harald

harald

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SSH-ASKPASS-FULLSCREEN(1)				      General Commands Manual					 SSH-ASKPASS-FULLSCREEN(1)

NAME

       ssh-askpass-fullscreen - A simple replacement for ssh-askpass written with gtk2

SYNOPSIS

       ssh-askpass-fullscreen

DESCRIPTION

       This manual page was written for the Debian distribution because the original program does not have a manual page.

       gnome-ssh-askpass  is  a  GNOME-based passphrase dialog for use with OpenSSH. It is intended to be called by the ssh-add(1) program and not
       invoked directly.  It allows ssh-add(1) to obtain a passphrase from a user, even if not connected to a terminal (assuming that an X display
       is available).  This happens auto-matically in the case where ssh-add is invoked from one's ~/.xsession or as one of the GNOME startup pro-
       grams, for example.

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ENVIRONMENT VARIABLES

       The following environment variables are recognized:

       GNOME_SSH_ASKPASS_GRAB_SERVER
			    Causes gnome-ssh-askpass to grab the X server before asking for a passphrase.

       GNOME_SSH_ASKPASS_GRAB_POINTER
			    Causes gnome-ssh-askpass to grab the mouse pointer will be grabbed too.

       These  may have some benefit to security if you don't trust your X server. Keyboard is always grabbed.

       SEE ALSO
	      ssh-add(1), ssh-askpass(1).

AUTHOR

       This manual page was written by Marco Presi (Zufus) <zufus@debian.org>, for the Debian GNU/Linux system (but may be used by others) and	it
       is based on that for x11-ssh-askpass by Philip Hands and the one for gnome-ssh-askpass by Colin Watson <cjwatson@debian.org>

								   May 8 , 2004 					 SSH-ASKPASS-FULLSCREEN(1)